CN104694853A - High-strength steel plate for gravity type goods shelves and heat processing process thereof - Google Patents
High-strength steel plate for gravity type goods shelves and heat processing process thereof Download PDFInfo
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- CN104694853A CN104694853A CN201510123418.6A CN201510123418A CN104694853A CN 104694853 A CN104694853 A CN 104694853A CN 201510123418 A CN201510123418 A CN 201510123418A CN 104694853 A CN104694853 A CN 104694853A
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Abstract
The invention discloses a high-strength steel plate for gravity type goods shelves and a heat processing process thereof. The high-strength steel plate for the gravity type goods shelves is composed of, by weight percentage, 0.82-0.84% of carbon, 7.52-7.58% of manganese, 0.24-0.26% of aluminum, 0.12-0.14% of calcium, 0.41-0.43% of silicon, 1.23-1.25% of scandium, 3.36-3.38% of vanadium, 0.33-0.35% of titanium, 7.23-7.27% of copper, 0.07-0.09% of tin, 4.27-4.29% of chromium, 0.86-0.88% of molybdenum, 6.21-6.23% of nickel, 0.036-0.038% of lead, 3.42-3.44% of magnesium, 0.55-0.58% of praseodymium, 0.32-0.36% of lanthanum, 1.22-1.24% of neodymium, 0.54-0.56% of terbium, balancing Fe and inevitable impurities.
Description
Technical field
The invention belongs to Storage and circulation equipment field, relate to a kind of high tensile steel plate for gravitational goods shelves and thermal treatment process thereof.
Background technology
The important tool that shelf are warehouse modernization and raise the efficiency, and market requirement share is more and more higher.Along with economic jump development, foreign capital affiliate pours into China Yangtze River Delta, the Delta of the Pearl River one band in a large number, not only drive the development of local economy, and brought new management philosophy and administrative skill, more and more employing automated storing in current storage rack storehouse.
Storage rack is storing device, is based on the six large basic functions of packing, transporting, loading and unloading, sorting, information management being logistics.Along with the development of 2014 storage rack industries, increasing industry and enterprise have applied to storage rack, and increasing enterprise enters storage sector.Serve various circles of society friend.And shelf are one of principal facilities of storage, can say, shelf are modern industry warehouse, logistics center, the requisite integral part of home-delivery center.
Gravitational goods shelves utilizes self gravitation, then slant setting, slides to the other end from one end, and picking is convenient and simple, and all gravity bears by the steel plate on support, so the height of armor plate strength, directly has influence on its use range and work-ing life.
Summary of the invention
Technical problem to be solved by this invention is, overcome the shortcoming of prior art, a kind of high tensile steel plate for gravitational goods shelves and thermal treatment process thereof are provided, not only intensity is high, corrosion resistance is strong, and the rub resistance ability on its surface improves greatly, reduces its wearing and tearing, increase its work-ing life, reduce costs.
In order to solve above technical problem, the invention provides a kind of high tensile steel plate for gravitational goods shelves, the composition of this steel plate and mass percent are: carbon: 0.82-0.84%, manganese: 7.52-7.58%, aluminium: 0.24-0.26%, calcium: 0.12-0.14%, silicon: 0.41-0.43%, scandium: 1.23-1.25%, vanadium: 3.36-3.38%, titanium: 0.33-0.35%, copper: 7.23-7.27%, tin: 0.07-0.09%, chromium: 4.27-4.29%, molybdenum: 0.86-0.88%, nickel: 6.21-6.23%, plumbous: 0.036-0.038%, magnesium: 3.42-3.44%, praseodymium: 0.55-0.58%, lanthanum: 0.32-0.36%, neodymium: 1.22-1.24%, terbium: 0.54-0.56%, surplus is Fe and inevitable impurity,
In this steel plate, first-phase is ferrite, and second-phase is perlite, and at thickness place, surface to 1/5, second-phase percent by volume is 7.32-7.35%, and 1/3 thickness is 6.47-6.49% to center second-phase percent by volume, and without banded structure;
The surface spraying of steel plate has corrosion-resistant coating, and corrosion-resistant coating is according to the mass fraction;
Epoxy modified silicone resin: 58-68 part, bisphenol A epoxide resin: 45-56 part, Viscotrol C: 12-14 part, Graphite Powder 99: 7-9 part, zinc powder: 5-7 part, toluene: 1-3 part, GPES type defoamer: 7-9 part; Bisphenol F epoxy resin: 10-12 part, pearlescence: 11-13 part, Trimethyllaurylammonium bromide: 8-9 part, polyacrylamide: 5-7 part, polyvinyl butyral acetal: 6-8 part, alkylphenol polyoxyethylene: 1-3 part, methacrylic acid: 3-5 part, vibrin: 3-5 part;
Wherein zinc powder is rear zinc powder of purifying, and the method for purification concrete operations of zinc powder are as follows:
first that organic solvent 13X type molecular sieve dehydration 3 days is for subsequent use;
zinc powder, organic solvent and catalyst trap agent to be joined in the there-necked flask of 150mm after stirring at room temperature 15min and leave standstill 1h, then the impurity that the Suction filtration device elimination of composition trying vacuum pump, Büchner funnel and Erlenmeyer flask with recirculated water is separated out;
the zinc powder removing impurity is joined in there-necked flask, starts heating and be slowly warming up to 65 DEG C, organic solvent evaporated and collects, being warming up to 95 DEG C, suction filtration 55min, the zinc powder after purifying can be obtained.
The present invention also provides a kind of thermal treatment process of the high tensile steel plate for gravitational goods shelves, and it is characterized in that, concrete technology is as follows:
Step (1): the steel plate forged is heated to 1280-1290 DEG C by high-frequency quenching stove, insulation 1-2h, then air cooling is to 720-730 DEG C, passes into nitrogen as shielding gas, continues 1-2h;
Step (2): then adopt and air-cooledly with the rate of cooling of 7 DEG C/s, steel plate is cooled to 525 DEG C, adopt water-cooled, with the rate of cooling of 5 DEG C/s, steel plate is chilled to 350-360 DEG C, adopt again and to be air-cooledly combined with oil cooling, first adopt and air-cooledly with the rate of cooling of 12 DEG C/s, steel plate is cooled to 250 DEG C, adopt oil cooling, with the rate of cooling of 7 DEG C/s, steel plate is chilled to room temperature;
Step (3): cleaning surface of steel plate, to its surface uniform spraying corrosion-resistant coating, thickness is after 4-6mm, and putting it into envrionment temperature is 62-65 DEG C, and keep 4-5h, then air cooling is to room temperature.
The technical scheme that the present invention limits further is:
The aforesaid high tensile steel plate for gravitational goods shelves, the composition of this steel plate and mass percent are: carbon: 0.82%, manganese: 7.52%, aluminium: 0.24%, calcium: 0.12%, silicon: 0.41%, scandium: 1.23%, vanadium: 3.36%, titanium: 0.33%, copper: 7.23%, tin: 0.07%, chromium: 4.27%, molybdenum: 0.86%, nickel: 6.21%, plumbous: 0.036%, magnesium: 3.42%, praseodymium: 0.55%, lanthanum: 0.32%, neodymium: 1.22%, terbium: 0.54%, surplus is Fe and inevitable impurity;
In this steel plate, first-phase is ferrite, and second-phase is perlite, be 7.32%, 1/3 thickness is 6.47% to center second-phase percent by volume in thickness place, surface to 1/5 second-phase percent by volume, and without banded structure;
The surface spraying of steel plate has corrosion-resistant coating, and corrosion-resistant coating is according to the mass fraction;
Epoxy modified silicone resin: 58 parts, bisphenol A epoxide resin: 45 parts, Viscotrol C: 12 parts, Graphite Powder 99: 7 parts, zinc powder: 5 parts, toluene: 1 part, GPES type defoamer: 7 parts; Bisphenol F epoxy resin: 10 parts, pearlescence: 11 parts, Trimethyllaurylammonium bromide: 8 parts, polyacrylamide: 5 parts, polyvinyl butyral acetal: 6 parts, alkylphenol polyoxyethylene: 1 part, methacrylic acid: 3 parts, vibrin: 3 parts;
Wherein zinc powder is rear zinc powder of purifying, and the method for purification concrete operations of zinc powder are as follows:
first that organic solvent 13X type molecular sieve dehydration 3 days is for subsequent use;
zinc powder, organic solvent and catalyst trap agent to be joined in the there-necked flask of 150mm after stirring at room temperature 15min and leave standstill 1h, then the impurity that the Suction filtration device elimination of composition trying vacuum pump, Büchner funnel and Erlenmeyer flask with recirculated water is separated out;
the zinc powder removing impurity is joined in there-necked flask, starts heating and be slowly warming up to 65 DEG C, organic solvent evaporated and collects, being warming up to 95 DEG C, suction filtration 55min, the zinc powder after purifying can be obtained.
The aforesaid high tensile steel plate for gravitational goods shelves, the composition of this steel plate and mass percent are: carbon: 0.84%, manganese: 7.58%, aluminium: 0.26%, calcium: 0.14%, silicon: 0.43%, scandium: 1.25%, vanadium: 3.38%, titanium: 0.35%, copper: 7.27%, tin: 0.09%, chromium: 4.29%, molybdenum: 0.88%, nickel: 6.23%, plumbous: 0.038%, magnesium: 3.44%, praseodymium: 0.58%, lanthanum: 0.36%, neodymium: 1.24%, terbium: 0.56%, surplus is Fe and inevitable impurity;
In this steel plate, first-phase is ferrite, and second-phase is perlite, be 7.35%, 1/3 thickness is 6.49% to center second-phase percent by volume in thickness place, surface to 1/5 second-phase percent by volume, and without banded structure;
The surface spraying of steel plate has corrosion-resistant coating, and corrosion-resistant coating is according to the mass fraction;
Epoxy modified silicone resin: 68 parts, bisphenol A epoxide resin: 56 parts, Viscotrol C: 14 parts, Graphite Powder 99: 9 parts, zinc powder: 7 parts, toluene: 3 parts, GPES type defoamer: 9 parts; Bisphenol F epoxy resin: 12 parts, pearlescence: 13 parts, Trimethyllaurylammonium bromide: 9 parts, polyacrylamide: 7 parts, polyvinyl butyral acetal: 8 parts, alkylphenol polyoxyethylene: 3 parts, methacrylic acid: 5 parts, vibrin: 5 parts;
Wherein zinc powder is rear zinc powder of purifying, and the method for purification concrete operations of zinc powder are as follows:
first that organic solvent 13X type molecular sieve dehydration 3 days is for subsequent use;
zinc powder, organic solvent and catalyst trap agent to be joined in the there-necked flask of 150mm after stirring at room temperature 15min and leave standstill 1h, then the impurity that the Suction filtration device elimination of composition trying vacuum pump, Büchner funnel and Erlenmeyer flask with recirculated water is separated out;
the zinc powder removing impurity is joined in there-necked flask, starts heating and be slowly warming up to 65 DEG C, organic solvent evaporated and collects, being warming up to 95 DEG C, suction filtration 55min, the zinc powder after purifying can be obtained.
The aforesaid high tensile steel plate for gravitational goods shelves, the composition of this steel plate and mass percent are: carbon: 0.83%, manganese: 7.55%, aluminium: 0.25%, calcium: 0.13%, silicon: 0.42%, scandium: 1.24%, vanadium: 3.37%, titanium: 0.34%, copper: 7.26%, tin: 0.08%, chromium: 4.28%, molybdenum: 0.87%, nickel: 6.22%, plumbous: 0.037%, magnesium: 3.43%, praseodymium: 0.56%, lanthanum: 0.35%, neodymium: 1.23%, terbium: 0.55%, surplus is Fe and inevitable impurity;
In this steel plate, first-phase is ferrite, and second-phase is perlite, be 7.34%, 1/3 thickness is 6.48% to center second-phase percent by volume in thickness place, surface to 1/5 second-phase percent by volume, and without banded structure;
The surface spraying of steel plate has corrosion-resistant coating, and corrosion-resistant coating is according to the mass fraction;
Epoxy modified silicone resin: 59 parts, bisphenol A epoxide resin: 48 parts, Viscotrol C: 13 parts, Graphite Powder 99: 8 parts, zinc powder: 6 parts, toluene: 2 parts, GPES type defoamer: 8 parts; Bisphenol F epoxy resin: 11 parts, pearlescence: 12 parts, Trimethyllaurylammonium bromide: 8 parts, polyacrylamide: 6 parts, polyvinyl butyral acetal: 7 parts, alkylphenol polyoxyethylene: 2 parts, methacrylic acid: 4 parts, vibrin: 4 parts;
Wherein zinc powder is rear zinc powder of purifying, and the method for purification concrete operations of zinc powder are as follows:
first that organic solvent 13X type molecular sieve dehydration 3 days is for subsequent use;
zinc powder, organic solvent and catalyst trap agent to be joined in the there-necked flask of 150mm after stirring at room temperature 15min and leave standstill 1h, then the impurity that the Suction filtration device elimination of composition trying vacuum pump, Büchner funnel and Erlenmeyer flask with recirculated water is separated out;
the zinc powder removing impurity is joined in there-necked flask, starts heating and be slowly warming up to 65 DEG C, organic solvent evaporated and collects, being warming up to 95 DEG C, suction filtration 55min, the zinc powder after purifying can be obtained.
The invention has the beneficial effects as follows: this steel plate not only intensity is high, corrosion resistance is strong, and the rub resistance ability on its surface improves greatly, reduces its wearing and tearing, increases its work-ing life, reduce costs; Wherein add titanium elements, erosion resistance and intensity can be improved, add v element, energy crystal grain thinning in thermal treatment, can strengthen its intensity, toughness, anticorrosive, the wear-resisting and load that withstands shocks etc., add copper, energy crystal grain thinning and its superheated susceptivity of reduction and temper brittleness, improve intensity, resistant to hydrogen under weather-resistant and high temperature, nitrogen, ammonia corrosion can be improved, add chromium and micro-Ni element, its wear-resisting ability ability can be improved and increase its intensity, improve its fusing point, increase ability and the resistance of oxidation of high temperature resistance;
And the praseodymium, the lanthanum that add in rare earth element, neodymium and terbium element, be conducive to crystal grain thinning in heat treatment process, forms fine and close grain structure, increase the intensity of its entirety; By thermal treatment process, pass into nitrogen as shielding gas, be conducive to forming compact-grain; eliminate pore, corrosion-resistant coating is sprayed on surface, and not only outward appearance is good; and surface is beautiful; crocking resistance is strong, increases the work-ing life of steel plate, reduces costs; and adopt and to be air-cooledly combined with oil cooling; the effect of crystal grain thinning can be played, increase intensity and the work-ing life of steel plate, improve its comprehensive mechanical performance.
Embodiment
embodiment 1
A kind of high tensile steel plate for gravitational goods shelves that the present embodiment provides, the composition of this steel plate and mass percent are: carbon: 0.82%, manganese: 7.52%, aluminium: 0.24%, calcium: 0.12%, silicon: 0.41%, scandium: 1.23%, vanadium: 3.36%, titanium: 0.33%, copper: 7.23%, tin: 0.07%, chromium: 4.27%, molybdenum: 0.86%, nickel: 6.21%, plumbous: 0.036%, magnesium: 3.42%, praseodymium: 0.55%, lanthanum: 0.32%, neodymium: 1.22%, terbium: 0.54%, surplus is Fe and inevitable impurity;
In this steel plate, first-phase is ferrite, and second-phase is perlite, be 7.32%, 1/3 thickness is 6.47% to center second-phase percent by volume in thickness place, surface to 1/5 second-phase percent by volume, and without banded structure;
The surface spraying of steel plate has corrosion-resistant coating, and corrosion-resistant coating is according to the mass fraction;
Epoxy modified silicone resin: 58 parts, bisphenol A epoxide resin: 45 parts, Viscotrol C: 12 parts, Graphite Powder 99: 7 parts, zinc powder: 5 parts, toluene: 1 part, GPES type defoamer: 7 parts; Bisphenol F epoxy resin: 10 parts, pearlescence: 11 parts, Trimethyllaurylammonium bromide: 8 parts, polyacrylamide: 5 parts, polyvinyl butyral acetal: 6 parts, alkylphenol polyoxyethylene: 1 part, methacrylic acid: 3 parts, vibrin: 3 parts;
Wherein zinc powder is rear zinc powder of purifying, and the method for purification concrete operations of zinc powder are as follows:
first that organic solvent 13X type molecular sieve dehydration 3 days is for subsequent use;
zinc powder, organic solvent and catalyst trap agent to be joined in the there-necked flask of 150mm after stirring at room temperature 15min and leave standstill 1h, then the impurity that the Suction filtration device elimination of composition trying vacuum pump, Büchner funnel and Erlenmeyer flask with recirculated water is separated out;
the zinc powder removing impurity is joined in there-necked flask, starts heating and be slowly warming up to 65 DEG C, organic solvent evaporated and collects, being warming up to 95 DEG C, suction filtration 55min, the zinc powder after purifying can be obtained.
The present embodiment also provides a kind of thermal treatment process of the high tensile steel plate for gravitational goods shelves, and it is characterized in that, concrete technology is as follows:
Step (1): the steel plate forged is heated to 1280 DEG C by high-frequency quenching stove, insulation 1h, then air cooling to 720 DEG C, pass into nitrogen as shielding gas, continues 1h;
Step (2): then adopt and air-cooledly with the rate of cooling of 7 DEG C/s, steel plate is cooled to 525 DEG C, adopt water-cooled, with the rate of cooling of 5 DEG C/s, steel plate is chilled to 350 DEG C, adopt again and to be air-cooledly combined with oil cooling, first adopt and air-cooledly with the rate of cooling of 12 DEG C/s, steel plate is cooled to 250 DEG C, adopt oil cooling, with the rate of cooling of 7 DEG C/s, steel plate is chilled to room temperature;
Step (3): cleaning surface of steel plate, to its surface uniform spraying corrosion-resistant coating, thickness is after 4mm, and putting it into envrionment temperature is 62 DEG C, and keep 4h, then air cooling is to room temperature.
embodiment 2
A kind of high tensile steel plate for gravitational goods shelves that the present embodiment provides, the composition of this steel plate and mass percent are: carbon: 0.84%, manganese: 7.58%, aluminium: 0.26%, calcium: 0.14%, silicon: 0.43%, scandium: 1.25%, vanadium: 3.38%, titanium: 0.35%, copper: 7.27%, tin: 0.09%, chromium: 4.29%, molybdenum: 0.88%, nickel: 6.23%, plumbous: 0.038%, magnesium: 3.44%, praseodymium: 0.58%, lanthanum: 0.36%, neodymium: 1.24%, terbium: 0.56%, surplus is Fe and inevitable impurity;
In this steel plate, first-phase is ferrite, and second-phase is perlite, be 7.35%, 1/3 thickness is 6.49% to center second-phase percent by volume in thickness place, surface to 1/5 second-phase percent by volume, and without banded structure;
The surface spraying of steel plate has corrosion-resistant coating, and corrosion-resistant coating is according to the mass fraction;
Epoxy modified silicone resin: 68 parts, bisphenol A epoxide resin: 56 parts, Viscotrol C: 14 parts, Graphite Powder 99: 9 parts, zinc powder: 7 parts, toluene: 3 parts, GPES type defoamer: 9 parts; Bisphenol F epoxy resin: 12 parts, pearlescence: 13 parts, Trimethyllaurylammonium bromide: 9 parts, polyacrylamide: 7 parts, polyvinyl butyral acetal: 8 parts, alkylphenol polyoxyethylene: 3 parts, methacrylic acid: 5 parts, vibrin: 5 parts;
Wherein zinc powder is rear zinc powder of purifying, and the method for purification concrete operations of zinc powder are as follows:
first that organic solvent 13X type molecular sieve dehydration 3 days is for subsequent use;
zinc powder, organic solvent and catalyst trap agent to be joined in the there-necked flask of 150mm after stirring at room temperature 15min and leave standstill 1h, then the impurity that the Suction filtration device elimination of composition trying vacuum pump, Büchner funnel and Erlenmeyer flask with recirculated water is separated out;
the zinc powder removing impurity is joined in there-necked flask, starts heating and be slowly warming up to 65 DEG C, organic solvent evaporated and collects, being warming up to 95 DEG C, suction filtration 55min, the zinc powder after purifying can be obtained.
The present embodiment also provides a kind of thermal treatment process of the high tensile steel plate for gravitational goods shelves, and it is characterized in that, concrete technology is as follows:
Step (1): the steel plate forged is heated to 1290 DEG C by high-frequency quenching stove, insulation 2h, then air cooling to 730 DEG C, pass into nitrogen as shielding gas, continues 2h;
Step (2): then adopt and air-cooledly with the rate of cooling of 7 DEG C/s, steel plate is cooled to 525 DEG C, adopt water-cooled, with the rate of cooling of 5 DEG C/s, steel plate is chilled to 360 DEG C, adopt again and to be air-cooledly combined with oil cooling, first adopt and air-cooledly with the rate of cooling of 12 DEG C/s, steel plate is cooled to 250 DEG C, adopt oil cooling, with the rate of cooling of 7 DEG C/s, steel plate is chilled to room temperature;
Step (3): cleaning surface of steel plate, to its surface uniform spraying corrosion-resistant coating, thickness is after 6mm, and putting it into envrionment temperature is 65 DEG C, and keep 5h, then air cooling is to room temperature.
embodiment 3
A kind of high tensile steel plate for gravitational goods shelves that the present embodiment provides, the composition of this steel plate and mass percent are: carbon: 0.83%, manganese: 7.55%, aluminium: 0.25%, calcium: 0.13%, silicon: 0.42%, scandium: 1.24%, vanadium: 3.37%, titanium: 0.34%, copper: 7.26%, tin: 0.08%, chromium: 4.28%, molybdenum: 0.87%, nickel: 6.22%, plumbous: 0.037%, magnesium: 3.43%, praseodymium: 0.56%, lanthanum: 0.35%, neodymium: 1.23%, terbium: 0.55%, surplus is Fe and inevitable impurity;
In this steel plate, first-phase is ferrite, and second-phase is perlite, be 7.34%, 1/3 thickness is 6.48% to center second-phase percent by volume in thickness place, surface to 1/5 second-phase percent by volume, and without banded structure;
The surface spraying of steel plate has corrosion-resistant coating, and corrosion-resistant coating is according to the mass fraction;
Epoxy modified silicone resin: 59 parts, bisphenol A epoxide resin: 48 parts, Viscotrol C: 13 parts, Graphite Powder 99: 8 parts, zinc powder: 6 parts, toluene: 2 parts, GPES type defoamer: 8 parts; Bisphenol F epoxy resin: 11 parts, pearlescence: 12 parts, Trimethyllaurylammonium bromide: 8 parts, polyacrylamide: 6 parts, polyvinyl butyral acetal: 7 parts, alkylphenol polyoxyethylene: 2 parts, methacrylic acid: 4 parts, vibrin: 4 parts;
Wherein zinc powder is rear zinc powder of purifying, and the method for purification concrete operations of zinc powder are as follows:
first that organic solvent 13X type molecular sieve dehydration 3 days is for subsequent use;
zinc powder, organic solvent and catalyst trap agent to be joined in the there-necked flask of 150mm after stirring at room temperature 15min and leave standstill 1h, then the impurity that the Suction filtration device elimination of composition trying vacuum pump, Büchner funnel and Erlenmeyer flask with recirculated water is separated out;
the zinc powder removing impurity is joined in there-necked flask, starts heating and be slowly warming up to 65 DEG C, organic solvent evaporated and collects, being warming up to 95 DEG C, suction filtration 55min, the zinc powder after purifying can be obtained.
The present embodiment also provides a kind of thermal treatment process of the high tensile steel plate for gravitational goods shelves, and it is characterized in that, concrete technology is as follows:
Step (1): the steel plate forged is heated to 1285 DEG C by high-frequency quenching stove, insulation 1.8h, then air cooling to 725 DEG C, pass into nitrogen as shielding gas, continues 1h;
Step (2): then adopt and air-cooledly with the rate of cooling of 7 DEG C/s, steel plate is cooled to 525 DEG C, adopt water-cooled, with the rate of cooling of 5 DEG C/s, steel plate is chilled to 358 DEG C, adopt again and to be air-cooledly combined with oil cooling, first adopt and air-cooledly with the rate of cooling of 12 DEG C/s, steel plate is cooled to 250 DEG C, adopt oil cooling, with the rate of cooling of 7 DEG C/s, steel plate is chilled to room temperature;
Step (3): cleaning surface of steel plate, to its surface uniform spraying corrosion-resistant coating, thickness is after 5mm, and putting it into envrionment temperature is 63 DEG C, and keep 4.5h, then air cooling is to room temperature.
The performance of each embodiment steel plate is as shown in table 1.
The performance of each embodiment steel plate of table 1
| Embodiment | Tensile strength, MPa | Yield strength, MPa | Unit elongation, % | Thickness direction relative reduction in area, % | -30 DEG C of Charpy-V impact powers, J | CLR, % | CTR, % | CSR,% | SSC |
| Embodiment 1 | 415 | 323 | 31 | 59 | 214 | 0 | 0 | 0 | Flawless |
| Embodiment 2 | 422 | 295 | 35 | 58 | 227 | 0 | 0 | 0 | Flawless |
| Embodiment 3 | 420 | 330 | 34 | 60 | 228 | 0 | 0 | 0 | Flawless |
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within scope.
Claims (5)
1. the high tensile steel plate for gravitational goods shelves, it is characterized in that: the composition of this steel plate and mass percent are: carbon: 0.82-0.84%, manganese: 7.52-7.58%, aluminium: 0.24-0.26%, calcium: 0.12-0.14%, silicon: 0.41-0.43%, scandium: 1.23-1.25%, vanadium: 3.36-3.38%, titanium: 0.33-0.35%, copper: 7.23-7.27%, tin: 0.07-0.09%, chromium: 4.27-4.29%, molybdenum: 0.86-0.88%, nickel: 6.21-6.23%, plumbous: 0.036-0.038%, magnesium: 3.42-3.44%, praseodymium: 0.55-0.58%, lanthanum: 0.32-0.36%, neodymium: 1.22-1.24%, terbium: 0.54-0.56%, surplus is Fe and inevitable impurity,
In this steel plate, first-phase is ferrite, and second-phase is perlite, and at thickness place, surface to 1/5, second-phase percent by volume is 7.32-7.35%, and 1/3 thickness is 6.47-6.49% to center second-phase percent by volume, and without banded structure;
The surface spraying of described steel plate has corrosion-resistant coating, and described corrosion-resistant coating is according to the mass fraction;
Epoxy modified silicone resin: 58-68 part, bisphenol A epoxide resin: 45-56 part, Viscotrol C: 12-14 part, Graphite Powder 99: 7-9 part, zinc powder: 5-7 part, toluene: 1-3 part, GPES type defoamer: 7-9 part; Bisphenol F epoxy resin: 10-12 part, pearlescence: 11-13 part, Trimethyllaurylammonium bromide: 8-9 part, polyacrylamide: 5-7 part, polyvinyl butyral acetal: 6-8 part, alkylphenol polyoxyethylene: 1-3 part, methacrylic acid: 3-5 part, vibrin: 3-5 part;
Wherein zinc powder is rear zinc powder of purifying, and the method for purification concrete operations of zinc powder are as follows:
first that organic solvent 13X type molecular sieve dehydration 3 days is for subsequent use;
zinc powder, organic solvent and catalyst trap agent to be joined in the there-necked flask of 150mm after stirring at room temperature 15min and leave standstill 1h, then the impurity that the Suction filtration device elimination of composition trying vacuum pump, Büchner funnel and Erlenmeyer flask with recirculated water is separated out;
the zinc powder removing impurity is joined in there-necked flask, starts heating and be slowly warming up to 65 DEG C, organic solvent evaporated and collects, being warming up to 95 DEG C, suction filtration 55min, the zinc powder after purifying can be obtained.
2. the high tensile steel plate for gravitational goods shelves according to claim 1, is characterized in that: the composition of this steel plate and mass percent are: carbon: 0.82%, manganese: 7.52%, aluminium: 0.24%, calcium: 0.12%, silicon: 0.41%, scandium: 1.23%, vanadium: 3.36%, titanium: 0.33%, copper: 7.23%, tin: 0.07%, chromium: 4.27%, molybdenum: 0.86%, nickel: 6.21%, plumbous: 0.036%, magnesium: 3.42%, praseodymium: 0.55%, lanthanum: 0.32%, neodymium: 1.22%, terbium: 0.54%, surplus is Fe and inevitable impurity;
In this steel plate, first-phase is ferrite, and second-phase is perlite, be 7.32%, 1/3 thickness is 6.47% to center second-phase percent by volume in thickness place, surface to 1/5 second-phase percent by volume, and without banded structure;
The surface spraying of described steel plate has corrosion-resistant coating, and described corrosion-resistant coating is according to the mass fraction;
Epoxy modified silicone resin: 58 parts, bisphenol A epoxide resin: 45 parts, Viscotrol C: 12 parts, Graphite Powder 99: 7 parts, zinc powder: 5 parts, toluene: 1 part, GPES type defoamer: 7 parts; Bisphenol F epoxy resin: 10 parts, pearlescence: 11 parts, Trimethyllaurylammonium bromide: 8 parts, polyacrylamide: 5 parts, polyvinyl butyral acetal: 6 parts, alkylphenol polyoxyethylene: 1 part, methacrylic acid: 3 parts, vibrin: 3 parts;
Wherein zinc powder is rear zinc powder of purifying, and the method for purification concrete operations of zinc powder are as follows:
first that organic solvent 13X type molecular sieve dehydration 3 days is for subsequent use;
zinc powder, organic solvent and catalyst trap agent to be joined in the there-necked flask of 150mm after stirring at room temperature 15min and leave standstill 1h, then the impurity that the Suction filtration device elimination of composition trying vacuum pump, Büchner funnel and Erlenmeyer flask with recirculated water is separated out;
the zinc powder removing impurity is joined in there-necked flask, starts heating and be slowly warming up to 65 DEG C, organic solvent evaporated and collects, being warming up to 95 DEG C, suction filtration 55min, the zinc powder after purifying can be obtained.
3. the high tensile steel plate for gravitational goods shelves according to claim 1, is characterized in that: the composition of this steel plate and mass percent are: carbon: 0.84%, manganese: 7.58%, aluminium: 0.26%, calcium: 0.14%, silicon: 0.43%, scandium: 1.25%, vanadium: 3.38%, titanium: 0.35%, copper: 7.27%, tin: 0.09%, chromium: 4.29%, molybdenum: 0.88%, nickel: 6.23%, plumbous: 0.038%, magnesium: 3.44%, praseodymium: 0.58%, lanthanum: 0.36%, neodymium: 1.24%, terbium: 0.56%, surplus is Fe and inevitable impurity;
In this steel plate, first-phase is ferrite, and second-phase is perlite, be 7.35%, 1/3 thickness is 6.49% to center second-phase percent by volume in thickness place, surface to 1/5 second-phase percent by volume, and without banded structure;
The surface spraying of described steel plate has corrosion-resistant coating, and described corrosion-resistant coating is according to the mass fraction;
Epoxy modified silicone resin: 68 parts, bisphenol A epoxide resin: 56 parts, Viscotrol C: 14 parts, Graphite Powder 99: 9 parts, zinc powder: 7 parts, toluene: 3 parts, GPES type defoamer: 9 parts; Bisphenol F epoxy resin: 12 parts, pearlescence: 13 parts, Trimethyllaurylammonium bromide: 9 parts, polyacrylamide: 7 parts, polyvinyl butyral acetal: 8 parts, alkylphenol polyoxyethylene: 3 parts, methacrylic acid: 5 parts, vibrin: 5 parts;
Wherein zinc powder is rear zinc powder of purifying, and the method for purification concrete operations of zinc powder are as follows:
first that organic solvent 13X type molecular sieve dehydration 3 days is for subsequent use;
zinc powder, organic solvent and catalyst trap agent to be joined in the there-necked flask of 150mm after stirring at room temperature 15min and leave standstill 1h, then the impurity that the Suction filtration device elimination of composition trying vacuum pump, Büchner funnel and Erlenmeyer flask with recirculated water is separated out;
the zinc powder removing impurity is joined in there-necked flask, starts heating and be slowly warming up to 65 DEG C, organic solvent evaporated and collects, being warming up to 95 DEG C, suction filtration 55min, the zinc powder after purifying can be obtained.
4. the high tensile steel plate for gravitational goods shelves according to claim 1, is characterized in that: the composition of this steel plate and mass percent are: carbon: 0.83%, manganese: 7.55%, aluminium: 0.25%, calcium: 0.13%, silicon: 0.42%, scandium: 1.24%, vanadium: 3.37%, titanium: 0.34%, copper: 7.26%, tin: 0.08%, chromium: 4.28%, molybdenum: 0.87%, nickel: 6.22%, plumbous: 0.037%, magnesium: 3.43%, praseodymium: 0.56%, lanthanum: 0.35%, neodymium: 1.23%, terbium: 0.55%, surplus is Fe and inevitable impurity;
In this steel plate, first-phase is ferrite, and second-phase is perlite, be 7.34%, 1/3 thickness is 6.48% to center second-phase percent by volume in thickness place, surface to 1/5 second-phase percent by volume, and without banded structure;
The surface spraying of described steel plate has corrosion-resistant coating, and described corrosion-resistant coating is according to the mass fraction;
Epoxy modified silicone resin: 59 parts, bisphenol A epoxide resin: 48 parts, Viscotrol C: 13 parts, Graphite Powder 99: 8 parts, zinc powder: 6 parts, toluene: 2 parts, GPES type defoamer: 8 parts; Bisphenol F epoxy resin: 11 parts, pearlescence: 12 parts, Trimethyllaurylammonium bromide: 8 parts, polyacrylamide: 6 parts, polyvinyl butyral acetal: 7 parts, alkylphenol polyoxyethylene: 2 parts, methacrylic acid: 4 parts, vibrin: 4 parts;
Wherein zinc powder is rear zinc powder of purifying, and the method for purification concrete operations of zinc powder are as follows:
first that organic solvent 13X type molecular sieve dehydration 3 days is for subsequent use;
zinc powder, organic solvent and catalyst trap agent to be joined in the there-necked flask of 150mm after stirring at room temperature 15min and leave standstill 1h, then the impurity that the Suction filtration device elimination of composition trying vacuum pump, Büchner funnel and Erlenmeyer flask with recirculated water is separated out;
the zinc powder removing impurity is joined in there-necked flask, starts heating and be slowly warming up to 65 DEG C, organic solvent evaporated and collects, being warming up to 95 DEG C, suction filtration 55min, the zinc powder after purifying can be obtained.
5. for a thermal treatment process for the high tensile steel plate of gravitational goods shelves, it is characterized in that, concrete technology is as follows:
Step (1): the steel plate forged is heated to 1280-1290 DEG C by high-frequency quenching stove, insulation 1-2h, then air cooling is to 720-730 DEG C, passes into nitrogen as shielding gas, continues 1-2h;
Step (2): then adopt and air-cooledly with the rate of cooling of 7 DEG C/s, steel plate is cooled to 525 DEG C, adopt water-cooled, with the rate of cooling of 5 DEG C/s, steel plate is chilled to 350-360 DEG C, adopt again and to be air-cooledly combined with oil cooling, first adopt and air-cooledly with the rate of cooling of 12 DEG C/s, steel plate is cooled to 250 DEG C, adopt oil cooling, with the rate of cooling of 7 DEG C/s, steel plate is chilled to room temperature;
Step (3): cleaning surface of steel plate, to its surface uniform spraying corrosion-resistant coating, thickness is after 4-6mm, and putting it into envrionment temperature is 62-65 DEG C, and keep 4-5h, then air cooling is to room temperature.
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| CN102851609A (en) * | 2012-05-23 | 2013-01-02 | 江阴市恒润重工股份有限公司 | Material used in offshore wind power equipment, and workpiece manufacturing process |
| CN102912255A (en) * | 2012-10-23 | 2013-02-06 | 神华集团有限责任公司 | Wear-resisting cast steel and preparation method thereof |
| CN103952646A (en) * | 2014-05-05 | 2014-07-30 | 莱芜钢铁集团有限公司 | Low-temperature resistant low-alloy structural steel and preparation method thereof |
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| CN1488774A (en) * | 2002-07-01 | 2004-04-14 | 杰富意钢铁株式会社 | Iron-chromium alloy structure with excellent corrosion resisting and adhesion properties and manufacturing method thereof |
| CN101691640A (en) * | 2009-09-01 | 2010-04-07 | 东北大学 | High strength low alloy wear resistance steel plate and preparation method thereof |
| CN102851609A (en) * | 2012-05-23 | 2013-01-02 | 江阴市恒润重工股份有限公司 | Material used in offshore wind power equipment, and workpiece manufacturing process |
| CN102912255A (en) * | 2012-10-23 | 2013-02-06 | 神华集团有限责任公司 | Wear-resisting cast steel and preparation method thereof |
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