CN107460281A - A kind of shaped steel and its manufacturing process - Google Patents
A kind of shaped steel and its manufacturing process Download PDFInfo
- Publication number
- CN107460281A CN107460281A CN201710524656.7A CN201710524656A CN107460281A CN 107460281 A CN107460281 A CN 107460281A CN 201710524656 A CN201710524656 A CN 201710524656A CN 107460281 A CN107460281 A CN 107460281A
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- Prior art keywords
- shaped steel
- overcoat
- steel
- plate
- steel body
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 156
- 239000010959 steel Substances 0.000 title claims abstract description 156
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 229910000734 martensite Inorganic materials 0.000 claims abstract description 6
- 239000010935 stainless steel Substances 0.000 claims description 24
- 229910001220 stainless steel Inorganic materials 0.000 claims description 24
- 230000001681 protective effect Effects 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 11
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 10
- 238000005496 tempering Methods 0.000 claims description 10
- 239000011701 zinc Substances 0.000 claims description 10
- 229910052725 zinc Inorganic materials 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 9
- 239000011241 protective layer Substances 0.000 claims description 8
- 238000010791 quenching Methods 0.000 claims description 8
- 230000000171 quenching effect Effects 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 7
- 238000004026 adhesive bonding Methods 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 5
- 239000002826 coolant Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000003755 preservative agent Substances 0.000 claims description 3
- 230000002335 preservative effect Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 230000002421 anti-septic effect Effects 0.000 abstract description 2
- 238000007747 plating Methods 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 229910001566 austenite Inorganic materials 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000886545 Leptodea leptodon Species 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
- B21D5/08—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/011—Layered products comprising a layer of metal all layers being exclusively metallic all layers being formed of iron alloys or steels
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The present invention relates to high-strength steel sheet, a kind of shaped steel is disclosed, shaped steel for roll-forming, be heated to 700 DEG C of 0.5min~5min maintained above after be quenched to the shaped steel body (10) of martensitic traoformation, shaped steel body (10) outer surface is provided with overcoat (11), for shaped steel body (10) thickness between 0.6mm~3.5mm, the tensile strength of shaped steel body (10) is 1550MPa~2000MPa.When the shaped steel of the present invention is identical with the shaped steel thickness of in the market, the shaped steel tensile strength of the present invention is higher than the shaped steel of in the market, when tensile strength is identical, the shaped steel of the present invention can do thinner, economic performance is high, shaped steel body outer surface is provided with overcoat, so that shaped steel body also has stronger antiseptic property.
Description
Technical field
The present invention relates to high-strength steel sheet, more particularly to a kind of shaped steel and its manufacturing process.
Background technology
Shaped steel is the steel plate that special shape is pressed into by forming press, and shaped steel is applied in highway protective plate, automobile on a large scale
Shell and container body etc., such product may all use in rugged environment, and shaped steel anti-corrosion is all logical at present
Cross it is zinc-plated complete, zinc-plated shaped steel service life is short, through it is therein after a while it is zinc-plated will come off, so as to which type can be caused
Steel is by steam corrosion, while current shaped steel is ensures that its intensity thickness is general all in more than 2mm, cost is high, and material is more unrestrained
Take.
The content of the invention
The present invention for the easy corrosion of prior art Shaped Steel, short life and consumptive material are big the shortcomings that, there is provided a kind of shaped steel and
Its manufacturing process.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals：
A kind of shaped steel, shaped steel for roll-forming, be heated to 700 DEG C of 0.5min~5min maintained above after be quenched to geneva
The shaped steel body that body phase becomes, shaped steel body outer surface are provided with overcoat, and shaped steel body thickness is between 0.6mm~3.5mm, shaped steel
The HRC of body is between 30~50, and shaped steel tensile strength of roll-forming can reach 1550MPa~2000MPa at a temperature of this.
Preferably, overcoat is plating zinc protective layer, plating zinc protective layer brushing is on shaped steel body outer surface.Plated on shaped steel
There are zinc layers, be effectively protected shaped steel and be not corroded.
Preferably, overcoat is stainless steel protective cover, the thickness of stainless steel protective cover is 0.085mm~0.2mm, immortal
Steel plate overcoat is glued on shaped steel body outer surface.Stainless steel plate is fixed with shaped steel outer surface, on the one hand adds shaped steel
Overall intensity, while also enhance the erosion resistance of shaped steel.
A kind of technique for manufacturing shaped steel, comprises the following steps：
(1) rolling formation, is carried out to steel plate by form-pressing machine；
(2), steel plate after shaping is put into heating furnace and heated, furnace temp is controlled more than 700 DEG C；Type
Tissue in steel becomes austenite completely, and steel plate has higher plasticity and toughness；
(3) Quenching Treatment, is carried out to the steel plate after heating；Austenite is become into martensite completely；
(4), the steel plate after quenching is put into tempering furnace and carries out temper, the temperature of tempering furnace is 200 DEG C~600
Between DEG C, shaped steel body is formed；The rigidity of steel plate is strong, hardness is high, wearability is strong, toughness is strong；
(5) preservative treatment, is carried out to shaped steel body outer surface, overcoat is provided with shaped steel body outer surface.
Preferably, for step (5)：Overcoat is plating zinc protective layer.
Preferably, for step (5)：Overcoat is the stainless steel protective cover that thickness is 0.085mm~0.2mm, stainless
Steel overcoat is glued on shaped steel body by compound adhesive, forms shaped steel；Shaped steel after gluing is cut off.
Preferably, for step (1)：Phosphorus content is 0.25%~0.8% in steel plate, and chrome content is 0.2% in steel plate
~0.6%.The intensity of steel plate is high.
Preferably, for step (3)：The cooling agent quenched to steel plate is water or oil.
Preferably, compound adhesive is bicomponent epoxy resin ab glue adhesive agents.Bonding strength is high.
Preferably, the bending shape of stainless steel protective cover is identical with the bending shape of shaped steel body, the two of shaped steel body
Side all gluings have stainless steel protective cover.
The present invention has significant technique effect as a result of above technical scheme：The shaped steel and in the market of the present invention
Shaped steel thickness it is identical when, shaped steel tensile strength of the invention be higher than in the market shaped steel, it is of the invention when tensile strength is identical
Shaped steel can be done thinner, and economic performance is high, and shaped steel body outer surface is provided with overcoat, when overcoat is zinc coat, shaped steel
Body has stronger antiseptic property；When overcoat is stainless steel protective cover, stainless steel protective cover causes shaped steel body tension
Intensity is more high, and shaped steel body is more not easy corrosion, while service life is longer.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
The toponym that each number designation is referred in the figures above is as follows：Wherein, 10-shaped steel body, 11-protection
Layer.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
Embodiment 1
A kind of shaped steel, shaped steel for roll-forming, be heated to 700 DEG C of 0.5min maintained above after be quenched to martensitic traoformation
Shaped steel body 10, the outer surface of shaped steel body 10 is provided with overcoat 11, and the thickness of shaped steel body 10 is between 0.6mm, shaped steel body
10 tensile strength is 1550MPa.
Overcoat 11 is plating zinc protective layer, and plating zinc protective layer brushing is on the outer surface of shaped steel body 10.
A kind of technique for manufacturing shaped steel, comprises the following steps：
(1) rolling formation, is carried out to steel plate by form-pressing machine；Form the steel plate with bending shape；
(2), steel plate after shaping is put into heating furnace and heated, furnace temp is controlled more than 700 DEG C；
(3) Quenching Treatment, is carried out to the steel plate after heating；
(4), the steel plate after quenching is put into tempering furnace and carries out temper, the temperature of tempering furnace is 200 DEG C~600
Between DEG C, shaped steel body 10 is formed；
(5) preservative treatment, is carried out to the outer surface of shaped steel body 10, overcoat 11 is provided with the outer surface of shaped steel body 10.
For step (5)：Overcoat 11 is plating zinc protective layer.
For step (1)：Phosphorus content is 0.25% in steel plate, and chrome content is 0.2% in steel plate, the HRC of steel plate 30 it
Between.
For step (3)：The cooling agent quenched to steel plate is water or oil.The present embodiment cooling agent is water, water cooling
Stock number is more, takes conveniently.
Embodiment 2
Embodiment 2 and the technical characteristic of embodiment 1 are essentially identical, and difference is：Shaped steel for roll-forming, be heated to 700
The shaped steel body 10 of martensitic traoformation is quenched to after DEG C 2.75min maintained above, the thickness of shaped steel body 10 is between 2.05mm, type
The tensile strength of steel body 10 is 1775MPa.
A kind of technique for manufacturing shaped steel, comprises the following steps：
(4), the steel plate after quenching is put into tempering furnace and carries out temper, the temperature of tempering furnace is 200 DEG C~600
Between DEG C, shaped steel body 10 is formed；
For step (1)：Phosphorus content is 0.525% in steel plate, and chrome content is 0.4% in steel plate, the HRC of steel plate 40 it
Between.
Embodiment 3
Embodiment 3 and the technical characteristic of embodiment 1 are essentially identical, and difference is：Shaped steel for roll-forming, be heated to 700
The shaped steel body 10 of martensitic traoformation is quenched to after DEG C 5min maintained above, the thickness of shaped steel body 10 is between 3.5mm, shaped steel sheet
The tensile strength of body 10 is 2000MPa.
A kind of technique for manufacturing shaped steel, comprises the following steps：
(4), the steel plate after quenching is put into tempering furnace and carries out temper, the temperature of tempering furnace is 200 DEG C~600
Between DEG C, shaped steel body 10 is formed；
For step (1)：Phosphorus content is 0.8% in steel plate, and chrome content is 0.6% in steel plate, the HRC of steel plate 50 it
Between.
Embodiment 4
Embodiment 4 and the technical characteristic of embodiment 1 are essentially identical, and difference is：Overcoat 11 is stainless steel protective cover, stainless
The thickness of steel overcoat is 0.085mm, and immortal steel plate overcoat is glued on the outer surface of shaped steel body 10.
For step (5)：Overcoat 11 is the stainless steel protective cover that thickness is 0.085mm, and stainless steel protective cover passes through multiple
Rubber alloy is glued on shaped steel body 10, forms shaped steel；Shaped steel after gluing is cut off.
For step (3)：The cooling agent quenched to steel plate is water or oil.
Compound adhesive is bicomponent epoxy resin ab glue adhesive agents.Pass through compound adhesive between stainless steel protective cover and shaped steel body
Connection, it is easy to connect.
The bending shape of stainless steel protective cover is identical with the bending shape of shaped steel body 10, and the two sides of shaped steel body 10 are all
Gluing has stainless steel protective cover.It is bonded between shape identical stainless steel protective cover and shaped steel body more close.
Embodiment 5
Embodiment 5 and the technical characteristic of embodiment 4 are essentially identical, and difference is：The thickness of stainless steel protective cover is 0.14mm.
Embodiment 6
Embodiment 6 and the technical characteristic of embodiment 5 are essentially identical, and difference is：The thickness of stainless steel protective cover is 0.2mm.
In a word, presently preferred embodiments of the present invention, all equalizations made according to scope of the present invention patent be the foregoing is only
Change and modification, it should all belong to the covering scope of patent of the present invention.
Claims (10)
- A kind of 1. shaped steel, it is characterised in that：Shaped steel for roll-forming, be heated to 700 DEG C of 0.5min~5min maintained above after The shaped steel body (10) of martensitic traoformation is quenched to, shaped steel body (10) outer surface is provided with overcoat (11), shaped steel body (10) Thickness is between 0.6mm~3.5mm, and the HRC of shaped steel body (10) is between 30~50.
- A kind of 2. shaped steel according to claim 1, it is characterised in that：Overcoat (11) is to plate zinc protective layer, zinc-plated protection Layer is brushed on shaped steel body (10) outer surface.
- A kind of 3. shaped steel according to claim 1, it is characterised in that：Overcoat (11) is stainless steel protective cover, stainless steel The thickness of overcoat is 0.085mm~0.2mm, and immortal steel plate overcoat is glued on shaped steel body (10) outer surface.
- A kind of 4. technique of the shaped steel described in manufacturing claims 1, it is characterised in that：Comprise the following steps：(1) rolling formation, is carried out to steel plate by form-pressing machine；(2), steel plate after shaping is put into heating furnace and heated, furnace temp is controlled more than 700 DEG C；(3) Quenching Treatment, is carried out to the steel plate after heating；(4), the steel plate after quenching is put into tempering furnace and carries out temper, the temperature of tempering furnace 200 DEG C~600 DEG C it Between, form shaped steel body (10)；(5) preservative treatment, is carried out to shaped steel body (10) outer surface, overcoat (11) is provided with shaped steel body (10) outer surface.
- A kind of 5. technique for manufacturing shaped steel according to claim 4, it is characterised in that：For step (5)：Overcoat (11) To plate zinc protective layer.
- A kind of 6. technique for manufacturing shaped steel according to claim 4, it is characterised in that：For step (5)：Overcoat (11) The stainless steel protective cover for being 0.085mm~0.2mm for thickness, stainless steel protective cover are glued to shaped steel body (10) by compound adhesive On, form shaped steel；Shaped steel after gluing is cut off.
- A kind of 7. technique for manufacturing shaped steel according to claim 4, it is characterised in that：For step (1)：It is carbon containing in steel plate Measure as 0.25%~0.8%, chrome content is 0.2%~0.6% in steel plate.
- A kind of 8. manufacturing process of high intensity shaped steel according to claim 4, it is characterised in that：For step (3)：To steel The cooling agent that plate is quenched is water or oil.
- A kind of 9. technique for manufacturing shaped steel according to claim 6, it is characterised in that：Compound adhesive is bicomponent epoxy resin Ab glue adhesive agents.
- A kind of 10. technique for manufacturing shaped steel according to claim 6, it is characterised in that：The bending shape of stainless steel protective cover Shape is identical with the bending shape of shaped steel body (10), and two sides all gluings of shaped steel body (10) have stainless steel protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710524656.7A CN107460281A (en) | 2017-06-30 | 2017-06-30 | A kind of shaped steel and its manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710524656.7A CN107460281A (en) | 2017-06-30 | 2017-06-30 | A kind of shaped steel and its manufacturing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107460281A true CN107460281A (en) | 2017-12-12 |
Family
ID=60544095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710524656.7A Pending CN107460281A (en) | 2017-06-30 | 2017-06-30 | A kind of shaped steel and its manufacturing process |
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| Country | Link |
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| CN (1) | CN107460281A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108296326A (en) * | 2017-12-26 | 2018-07-20 | 洛阳双瑞精铸钛业有限公司 | A kind of titanium welding pipe molding section die |
| EP3789130A1 (en) * | 2019-09-06 | 2021-03-10 | voestalpine Krems GmbH | Method for the continuous production of at least one steel profile hardened in at least one section |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1274760A (en) * | 2000-05-22 | 2000-11-29 | 汤铁琴 | Low-carbon martensite heat-treating process for hot-rolled high-strength wear-resistant steel rail or I-steel |
| CN102965591A (en) * | 2012-12-07 | 2013-03-13 | 上海宝钢型钢有限公司 | High-strength steel rolling hot-forming technology |
-
2017
- 2017-06-30 CN CN201710524656.7A patent/CN107460281A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1274760A (en) * | 2000-05-22 | 2000-11-29 | 汤铁琴 | Low-carbon martensite heat-treating process for hot-rolled high-strength wear-resistant steel rail or I-steel |
| CN102965591A (en) * | 2012-12-07 | 2013-03-13 | 上海宝钢型钢有限公司 | High-strength steel rolling hot-forming technology |
Non-Patent Citations (1)
| Title |
|---|
| 华畅: "《矿山与煤矿防腐工程设计与防腐施工新工艺新技术实用手册 第3册》", 31 December 2016 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108296326A (en) * | 2017-12-26 | 2018-07-20 | 洛阳双瑞精铸钛业有限公司 | A kind of titanium welding pipe molding section die |
| EP3789130A1 (en) * | 2019-09-06 | 2021-03-10 | voestalpine Krems GmbH | Method for the continuous production of at least one steel profile hardened in at least one section |
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Application publication date: 20171212 |