CN101899552B - Heat treatment equipment of antifriction alloy cast steel - Google Patents
Heat treatment equipment of antifriction alloy cast steel Download PDFInfo
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- CN101899552B CN101899552B CN2009102036331A CN200910203633A CN101899552B CN 101899552 B CN101899552 B CN 101899552B CN 2009102036331 A CN2009102036331 A CN 2009102036331A CN 200910203633 A CN200910203633 A CN 200910203633A CN 101899552 B CN101899552 B CN 101899552B
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- 229910001208 Crucible steel Inorganic materials 0.000 title claims abstract description 47
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 46
- 239000000956 alloy Substances 0.000 title claims abstract description 46
- 238000010438 heat treatment Methods 0.000 title claims abstract description 37
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000005496 tempering Methods 0.000 claims abstract description 14
- 239000011435 rock Substances 0.000 claims abstract description 4
- 238000010791 quenching Methods 0.000 claims description 39
- 230000000171 quenching effect Effects 0.000 claims description 38
- 238000012544 monitoring process Methods 0.000 claims description 8
- RGCKGOZRHPZPFP-UHFFFAOYSA-N alizarin Chemical compound C1=CC=C2C(=O)C3=C(O)C(O)=CC=C3C(=O)C2=C1 RGCKGOZRHPZPFP-UHFFFAOYSA-N 0.000 claims description 6
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 3
- -1 hexanol amine Chemical class 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N n-hexyl alcohol Natural products CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 230000001839 systemic circulation Effects 0.000 claims description 3
- 230000032258 transport Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000137 annealing Methods 0.000 abstract description 4
- 239000002826 coolant Substances 0.000 abstract 1
- 238000007710 freezing Methods 0.000 abstract 1
- 230000008014 freezing Effects 0.000 abstract 1
- 238000007669 thermal treatment Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000005275 alloying Methods 0.000 description 5
- 239000011651 chromium Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000011572 manganese Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- IYLGZMTXKJYONK-ACLXAEORSA-N (12s,15r)-15-hydroxy-11,16-dioxo-15,20-dihydrosenecionan-12-yl acetate Chemical compound O1C(=O)[C@](CC)(O)C[C@@H](C)[C@](C)(OC(C)=O)C(=O)OCC2=CCN3[C@H]2[C@H]1CC3 IYLGZMTXKJYONK-ACLXAEORSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 241000251131 Sphyrna Species 0.000 description 1
- 229910001037 White iron Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- IYLGZMTXKJYONK-UHFFFAOYSA-N ruwenine Natural products O1C(=O)C(CC)(O)CC(C)C(C)(OC(C)=O)C(=O)OCC2=CCN3C2C1CC3 IYLGZMTXKJYONK-UHFFFAOYSA-N 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
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Abstract
The invention provides heat treatment equipment of an antifriction alloy cast steel, wherein the cast steel comprises the following components: 0.27-0.32 of C, 0.70-0.90 of Mn, 0.90-1.30 of Si, 1.40-1.80 of Cr, 0.10-0.20 of Mo, 0.10-0.20 of Ni and 0.02-0.03 of Ti; and the heat treatment equipment comprises an annealing furnace, a hardening furnace, a hardening tank and a tempering furnace, wherein the temperature and the residence time of the annealing furnace are respectively set to be 850-900 DEG C and 3-5 hours; the temperature and the residence time of the hardening furnace respectively are set to be 900+/-10 DEG C and 150 min; the temperature of products is 300 DEG C after cooling, and a cooling medium which is water-soluble hardening liquid is placed in the hardening tank; and the temperature and the residence time of the tempering furnace are respectively set to be 200-230 DEG C and 3-4 hours. The equipment has simple structure and high automation degree and the treated antifriction alloy cast steel can be applied to manufacture engineering mechanical equipment which contact with frozen rocks and freezing zone.
Description
Technical field
The present invention relates to a kind of HTFX of wear-resistant alloy cast steel, particularly, have the HTFX of the wear-resisting wear-resistant alloy cast steel of superelevation hard toughness to can be used on the open-air winning apparatus, can being suitable for severe environment requirements such as HS, low temperature.
Background technology
Wearing and tearing are many industrial sector ubiquities and become a major reason that causes equipment failure or material damage that it has also consumed a large amount of energy and material simultaneously.By various engineering excavation machines and shovel loader bucket tooth, various wear resistant conveying pipes road, various grinder hammerhead and jaw, various grip-pad that Alloy Cast Steel is made, owing to being in working conditions such as HS, weather extremes, its wear pattern is more serious.
The present state of the art is: the hardness of general material and the performance index that toughness is mutual contradiction, and hardness high poor toughness then normally, toughness height then hardness is low.One type is the H.T. of stressing material, and one type is the resistance to abrasion of stressing material.And can't reach an effectively unification, especially in the application that is used on the engineering machinery such as outdoor mining, excavation.The wear resistance of high mangaenese steel is with good conditionsi, and its ys is low, easily deformable; Low, interalloy wear resisting steel has better strength and toughness, and the wear resistance under low, the middle shock load is superior to high mangaenese steel, but has hardening capacity and the low problem of hardenability, and wear resistance is relatively poor; Contain in the rich chromium cast iron tissue and surpass 20% high firmness eutectic carbides, have excellent abrasive, alloying element content is high, production cost is high and the yielding rimose of high-temperature heat treatment is not enough but exist; Ordinary white cast iron and low-alloy chilled cast iron carbide hardness are low, and carbide is continuous shape and distributes, and fragility is big, is prone in the use peel off even ftracture.
To present situation; Solve the contradiction that improves hardening capacity and alloying element content increase; Obtain that a kind of production technique is simple, cost is low, obdurability is high, hardening capacity and hardenability be good and pollution-free; Guarantee the works fine in low temperature environment simultaneously, and the wear-resistant alloy cast steel that also can well use under the condition of multiplex (MUX) ore deposit has become a technical problem.Simultaneously people recognize that also the thermal treatment process that provides a kind of new alloying constituent with wear-resistant alloy cast steel to adapt is not only the sport technique segment of making wear-resistant alloy cast steel; Simultaneously, rational heat treatment technology also will to mechanical propertys such as the hardness of wear-resistant alloy cast steel and toughness with reduce or eliminate stress and have positive effect; Improve distribution form and the existence form of alloying element in tissue, alloying constituent is used more effectively.And, also should be equipped with corresponding automatic equipment, to realize above-mentioned thermal treatment process as the robotization requirement of modern enterprise.
Summary of the invention
For solving the problems of the technologies described above, the present invention provides a kind of HTFX that is suitable for mutually with New-type wear-resistant alloy cast steel: the chemical ingredients of wherein said New-type wear-resistant alloy cast steel and mass percent thereof are: C:0.27-0.32; Mn:0.70-0.90; Si:0.90-1.30; Cr:1.40-1.80; Mo:0.10-0.20; Ni:0.10-0.20; Ti:0.02-0.03.Said HTFX comprises: heat treatment system with said wear-resistant alloy cast steel is transported the haulage system that is connected between said heat treatment system; Said heat treatment system comprises: temperature can be set as 850 ℃-900 ℃, and the residence time can be set as 3-5 hour lehre; Temperature can be set as 900 ℃ ± 10 ℃, and the residence time can be set as 150 minutes quenching furnance; Cooling back product temperature is made as 300 ℃, is equipped with the quenching tank that heat-eliminating medium is a water-soluble quenching liquid; Temperature can be set as 200-230 ℃, and the residence time can be set as 3-4 hour tempering stove.
As further improvement, said lehre, quenching furnance or tempering stove can have a plurality of heating zone.Said each heating zone can have as required be used for to said heating zone realize temperature demonstration, record and remote reporting device for monitoring temperature and detect the timing device that said wear-resistant alloy cast steel rests on the above-mentioned stove time.Simultaneously, the composition of said cooling water dissolubility hardening liquid is for containing PVA10%, three hexanol amine 1%, and phenylformic acid receives 0.2%, alizarin assistant 0.2%.
In addition, as the improvement of further robotization performance, also have the quenchant system that hardening liquid is provided for quenching tank, it can adopt has the higher systemic circulation form of automatic capability, and is furnished with special agitating function, guarantees supplying with stable continuously of hardening liquid.
After the above-mentioned thermal treatment of wear-resistant alloy cast steel process according to the invention, its tensile strength: 1500-1800MPa, ys: 1200-1400MPa, unit elongation: δ s7-15%, v-notch impelling strength Akv25-40J, hardness: 48-55HRC.And be suitable in low temperature environment, as-20 ℃-0 ℃, and freeze the wear-resistant engineering machinery equipment that rock, frozen soil layer contact, adapt to requirement in the medium-term and long-term work of cold belt environment.
Description of drawings
Fig. 1 is the synoptic diagram of this HTFX.
Embodiment
The present invention provides a kind of thermal treatment process that is suitable for mutually with New-type wear-resistant alloy cast steel, and the chemical ingredients of wherein said cast steel and mass percent thereof are: C:0.27-0.32; Mn:0.70-0.90; Si:0.90-1.30; Cr:1.40-1.80; Mo:0.10-0.20; N i:0.10-0.20; Ti:0.02-0.03.The major function that wherein each alloy had is:
Carbon (C): carbon content is high more, and the intensity of steel and hardness value increase, and plasticity and toughness value reduce;
Silicon (Si): reinforced ferrite, improve tensile strength and ys, improve thermotolerance and solidity to corrosion, reduce toughness and plasticity;
Manganese (Mn): improve intensity, hardness and wear resistance;
Chromium (Cr): reduce the thermal conductivity of steel, can improve wear resistance;
Molybdenum (Mo): reinforced ferrite, improve high-temperature behavior, improve fragility;
Nickel (Ni): enlarging the austenitic area, is the effective element of austenitizing, improves intensity and does not significantly reduce plasticity, and good corrosion resistance is arranged;
Ferrotianium (Ti): ability reinforced ferrite, deoxidation and crystal grain thinning;
The equipment of heat-treating to above-mentioned wear-resistant alloy cast steel is:
1, lehre 1: temperature can be set as 850 ℃-900 ℃, and the residence time can be set as 3-5 hour lehre 1; It is 850 ℃ of-900 ℃ of lehres 1 that said wear-resistant alloy cast steel 8 is placed temperature, is incubated 3-5 hour and comes out of the stove, and as for the first air cooling place I, carries out the air cooling first time then;
It is the push-down lehre that preferred embodiment adopts lehre, RJT-150-8 push-down isothermal annealing stove for example, and it is divided into 7 heating zone, and each Heating Zone Temperature is set at 850 ℃-900 ℃.Wear-resistant alloy cast steel 8 workpiece that a plurality of sizes that are prefabricated into lehre 1 adapt are according to batch through above-mentioned 7 heating zone; And be heated intensification; And successive is incubated in above-mentioned 7 heating zone successively, so that wear-resistant alloy cast steel 8 obtains the soaking time of useful length in lehre.Heating zone quantity also can be other quantity, its confirm according to one of be to adapt time with the required heating of workpiece, with the heating requirements that guarantees workpiece and the requirement of large scale continuous prod.
For reaching the purpose of automatic production and more effective control annealing operation, in 7 above-mentioned heating zone, can be provided with device for monitoring temperature 9 simultaneously,, and further realize timely adjustment the lehre temperature with demonstration, record and the remote reporting of realization temperature.Preferably, one, two, three, four, the slender acanthopanax hot-zone adopts the TCW-32A three phase voltage regulating, six or seven districts are with digital displaying meter temperature indicating degree, and each is distinguished all has EL-100-60 multipoint recorder displayed record temperature.Wear-resistant alloy cast steel 8 is come out of the stove after 3-5 hour in insulation, as for the first air cooling place I, carries out the air cooling first time then.
2, quenching furnance 2 and quenching tank 7: temperature can be set as 900 ℃ ± 10 ℃, and the residence time can be set as 150 minutes quenching furnance 2; Cooling back product temperature is made as 300 ℃, and being equipped with heat-eliminating medium is the quenching tank 7 of water-soluble quenching liquid 3; Aforementioned quenching furnance 2 insulations that place temperature to be controlled at 900 ℃ ± 10 ℃ through the wear-resistant alloy cast steel 8 of air cooling are for the first time taken out after 150 minutes place quenching tank 7 to quench; Heat-eliminating medium is a water-soluble quenching liquid 3, and wear-resistant alloy cast steel 8 cold causing are then transported quenching tank 7 about 300 ℃.
Preferred embodiment adopts casting chain-plate type quenching furnance, is made up of 5 heating zone, and each Heating Zone Temperature controls to 900 ℃ ± 10 ℃.The workpiece insulation is inserted quenching tank 7 after 150 minutes automatically, quenches.Can be provided with device for monitoring temperature 9 in each heating zone,, and further realize timely adjustment the quenching furnance temperature with demonstration, record and the remote reporting of realization temperature.Preferably, each heating zone can be provided with the master control of digital display intelligent temperature controller, multipoint recorder centralized recording and monitoring.In addition, heating zone quantity also can be other quantity, its confirm according to one of be to adapt time with the required heating of workpiece, with the heating requirements that guarantees workpiece and the requirement of large scale continuous prod.
The heat-eliminating medium that adopts that quenches is a water-soluble quenching liquid 3.Preferably be furnished with PVA10%, three hexanol amine 1%, phenylformic acid receives 0.2%, the water-soluble quenching liquid of alizarin assistant 0.2%.For realizing further automatic production, the quenchant system 5 that is connected with quenching tank 7 can adopt has the higher systemic circulation form of automatic capability, and is furnished with special agitating function, guarantees supplying with stable continuously of hardening liquid.Temperature before hardening liquid 3 quenches can be normal temps, for example below 30 degree.Wear-resistant alloy cast steel 8 is residence time 8-25min in hardening liquid 3; Detect the cooling temperature of workpiece through the device for monitoring temperature in the quenching tank 79; Cause about 300 ℃ when workpiece is cold, see workpiece off quenching tank 7 to area I I place by quenching tank 7 lift travelling belts then, carry out temper then.
3, tempering stove 4: temperature can be set as 200-230 ℃, and the residence time can be set as 3-4 hour tempering stove 4; It is the tempering stove 4 to 200-230 ℃ that aforementioned wear-resistant alloy cast steel 8 through quenching is placed temperature, is incubated taking-up in 3-4 hour, as for the second air cooling place III, carries out air cooling then.
The preferred net belt type tempering stove that adopts: is made up of 5 heating zone, each Heating Zone Temperature is raised to 200-230 ℃, be incubated the air cooling that carries out of taking-up in 3-4 hour.The quantity of heating zone can be selected other quantity equally for these reasons; And each heating zone can be provided with the master control of digital display intelligent temperature controller; The multipoint recorder centralized recording is also monitored equitemperature monitoring device 9, to realize demonstration, record and the remote reporting of temperature.
4, haulage system: it transports connection with said wear-resistant alloy cast steel between said heat treatment system, to realize the thermal treatment process of said wear-resistant alloy cast steel.
It comprises like the lower section: the said wear-resistant alloy cast steel 8 that will come from said lehre 1 is transported to the first air cooling place I, is transported to the first conveyer A of said quenching furnance 2 again; To come from the said said wear-resistant alloy cast steel 8 that moves back quenching furnance 2 and be transported to said quenching tank 7 coolings, be transported to the second conveyer B at area I I place again; Said wear-resistant alloy cast steel 8 is transported to said tempering stove 4, is transported to the 3rd conveyer C of the second air cooling place III again.For example adopt lifting appliance, conveying belt isoline conveyer etc.
In addition; This HTFX also is furnished with the timing device 10 that the said wear-resistant alloy cast steel of detection rests on the time in the above-mentioned stove in the above-mentioned zone of time control that needs; And can realize demonstration, record and the remote reporting of time, be convenient to the increasingly automated of whole production.
As improvement further; Also has upper control unit 6 in this HTFX; Lehre 1 in the native system, quenching furnance 2 and quenching tank 7, quenchant system 5, tempering stove 4 and haulage system can be respectively or wired or wireless 11 the form passed through simultaneously be connected with upper control unit 6; So that upper control unit 6 can obtain the data signal that timing device 10 and device for monitoring temperature 9 in the native system send; And in time adjust the temperature and the residence time in the stove, and control haulage system matches with it and in time transports, and realizes that finally the system of extensiveization of total system controls automatically.
Above-mentioned HTFX has: automatically degree high, be convenient to its whole process is carried out long-range and on-the-spot process control, guaranteed that the said wear-resistant alloy cast steel that carries out smoothly, makes of thermal treatment process reaches required characteristics such as mechanical property.
After cast steel according to the invention is handled through aforesaid device, its tensile strength: 1500-1800MPa, ys: 1200-1400MPa, unit elongation: δ 57-15%, v-notch impelling strength Akv25-40J, hardness: 48-55HRC.And be suitable in low temperature environment, as-20 ℃-0 ℃, and freeze the engineering mechanical device that rock, frozen soil layer contact, adapt to requirement in the medium-term and long-term work of cold belt environment.
The multiple functional structure and the embodiment that are disclosed among the present invention all obtain embodying and protection through claim, and any accompanying drawing and resulting enlightenment of embodiment shown in according to the present invention is among the scope that all falls into the present invention and protected.
Claims (7)
1. the HTFX of a wear-resistant alloy cast steel is characterized in that:
The tensile strength of said wear-resistant alloy cast steel: 1500-1800Mpa, ys: 1200-1400Mpa, unit elongation: δ s7-15%, v-notch impelling strength AKV25-40J, hardness: 48-55HRC; Said wear-resistant alloy cast steel is applicable to make and is used under-20 ℃-0 ℃ environment and freezes the engineering mechanical device that rock, frozen soil layer contact;
The chemical ingredients of said cast steel and mass percent thereof are: C:0.27-0.32; Mn:0.70-0.90; Si:0.90-1.30; Cr:1.40-1.80; Mo:0.10-0.20; Ni:0.10-0.20; Ti:0.02-0.03;
Said HTFX comprises: heat treatment system with said wear-resistant alloy cast steel is transported the haulage system that is connected between said heat treatment system, said heat treatment system comprises:
Temperature can be set as 850 ℃-900 ℃, and the residence time can be set as 3-5 hour lehre; Temperature can be set as 900 ℃ ± 10 ℃, and the residence time can be set as 150 minutes quenching furnance; Cooling back product temperature is made as 300 ℃, is equipped with the quenching tank that heat-eliminating medium is a water-soluble quenching liquid; Temperature can be set as 200-230 ℃, and the residence time can be set as 3-4 hour tempering stove;
Said lehre, quenching furnance or tempering stove have a plurality of heating zone.
2. the HTFX of wear-resistant alloy cast steel according to claim 1 is characterized in that: said each heating zone is provided with the device for monitoring temperature that is used for said heating zone is realized demonstration, record and the remote reporting of temperature.
3. the HTFX of wear-resistant alloy cast steel according to claim 1 is characterized in that: said lehre, quenching furnance or tempering stove are provided with and detect the timing device that said wear-resistant alloy cast steel rests on the time in the above-mentioned stove.
4. the HTFX of wear-resistant alloy cast steel according to claim 1; It is characterized in that: and also have with said quenching tank and link to each other and the quenchant system of hardening liquid is provided for said quenching tank; It has the higher systemic circulation form of automatic capability; And be furnished with special agitating function, guarantee supplying with stable continuously of hardening liquid.
5. the HTFX of wear-resistant alloy cast steel according to claim 1, it is characterized in that: said water-soluble quenching liquid contains PVA10%, three hexanol amine 1%, phenylformic acid receives 0.2%, alizarin assistant 0.2%.
6. the HTFX of wear-resistant alloy cast steel according to claim 1; It is characterized in that: also have upper control unit; Said lehre, quenching furnance, tempering stove and haulage system respectively or the wired or wireless form of passing through simultaneously be connected with upper control unit; So that the data signal that timing device in the upper control unit acquisition native system and device for monitoring temperature send; And in time adjust the temperature and the residence time in the stove, and control haulage system matches with it and in time transports, and realizes that finally the system of extensiveization of total system controls automatically.
7. the HTFX of wear-resistant alloy cast steel according to claim 4; It is characterized in that: also have upper control unit; Said quenchant system is connected with upper control unit through wired or wireless form with said upper control unit, to realize robotization control.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5667605A (en) * | 1994-12-13 | 1997-09-16 | Ascometal | Method of fabrication of a piece of structural steel, and the steel fabricated thereby |
| EP0866154B1 (en) * | 1995-10-11 | 2002-03-13 | Asahi Kasei Kabushiki Kaisha | False twisted yarn |
| CN1341758A (en) * | 2001-08-27 | 2002-03-27 | 江苏省机电研究所 | Piling suspension chain workpiece heat treatment production line |
| CN1560311A (en) * | 2004-02-27 | 2005-01-05 | 天津工程机械研究院 | Wear-resisting cast steel and preparation method thereof |
| CN1621554A (en) * | 2004-12-16 | 2005-06-01 | 邹乐平 | Complex alloy cast-steel excavator bucket teeth and its producing process |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5667605A (en) * | 1994-12-13 | 1997-09-16 | Ascometal | Method of fabrication of a piece of structural steel, and the steel fabricated thereby |
| EP0866154B1 (en) * | 1995-10-11 | 2002-03-13 | Asahi Kasei Kabushiki Kaisha | False twisted yarn |
| CN1341758A (en) * | 2001-08-27 | 2002-03-27 | 江苏省机电研究所 | Piling suspension chain workpiece heat treatment production line |
| CN1560311A (en) * | 2004-02-27 | 2005-01-05 | 天津工程机械研究院 | Wear-resisting cast steel and preparation method thereof |
| CN1621554A (en) * | 2004-12-16 | 2005-06-01 | 邹乐平 | Complex alloy cast-steel excavator bucket teeth and its producing process |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平6-346152A 1994.12.20 |
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