Guangzhou Changfeng Steel Co., LTD
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Cold-working Die Hot Rolled Alloy Steel 1.2379 / D2 Round Bar
Similar grades:
| GB | DIN | AISI | JIS |
| Cr12Mo1V1 | 1.2379 | D2 | SKD11 |
Introduction:
Gade 1.2379 / D2 / Cr12Mo1V1 is a high - carbon and high chromium cold die steel, which is widely used in the world. It is a lystenite steel, with high hardenability, hardness and high abrasion resistance.High temperature resistance to oxidation, good anti-corrosion resistance after quenching and polishing, and small deformation of heat treatment.
Available size(mm):
| Flat Bar Size(mm) | Round bar Size(mm) | |||
| Thickness | Width | Length | Diameter | Length |
| 8-80 | 155-610 | 3000-6000 | 14-80 | 300-6000 |
Chemical composition(%):
| C | Si | Mn | Cr | Mo | V | P | S |
| 1.40-1.60 | 0.30-0.50 | 0.30-0.50 | 11.0-13.0 | 0.70-1.20 | ≤0.8 | ≤0.030 | ≤0.030 |
Feature:
1, Good processing, heat treatment size stability.
2, Excellent machinability.
3, Excellent dimensional stability when hardened.
4, After hardening and tempering, the high surface hardness match well with the toughness of the body.
Heat treatment:
| Quenching | Tempering | ||||
| Heating temperature/℃ | Cooling | Hardness/HRC | Heating temperature/℃ | Cooling | Hardness/HRC |
| 980-1040 | Oil or Air | 60-65 | 180-220 | Air | 60-64 |
| 1060-1100 | 60-65 | 510-540 | Air | 60-64 | |
Applications:
1) Suitable for making all kinds of silicon steel sheet high-speed blanking.
2) suitable for precision stamping die, cold extrusion forming die, drawing die and blanking die.
3) It is suitable for cutting scissors, deep drawing die and drawing die etc.
4) It is suitable for all kinds of cold stamping dies that are complicated and easy to deform, with long service life of high wear resistance.
5) It is used as a cold working tool which requires excellent wear resistance and good toughness. It can be used for embossing die and cold forging die.
6) It can be used for heavy-duty stamping die, cold shearing blade, thread rolling, etc.
7) It can be used for cold upsetting, clay mould, etc.
8) It can be used for damaging plastic molding.
Factory Hardness: Soft Annealing 255HB
Delivery condition:
For abundant stock, 15-20 days.For customized products, 30-50 days.
Terms of payment:
30% deposit T/T and the balance by L/C at sight, or T/T.
D2 die steel, high wear resistance and micro deformation, cold working die steel, wind hard tool steel, carbon content up to 1.5%, chromium content high, noisy 11.5%, heat treatment, hardness up to 60HRC. D2 steel can be used to make large cross section, complex shape, strong impact, high resistance to cold working die steel, such as silicon steel sheet die, cold cutting scissors, trimming die, etc..
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