d2 steel flat bar
Equivalent Grade:DIN 1.2379/JIS SKD11/GB Cr12Mo1V1.
Hardness select 60-65HRC.
Cr12MOV D2 1.2379 SKD11Alloy Tool cold work mould steel
AISI d2 steel is a tool steel containing high carbon and high chromium. AISI d2 steel has a high carbon content but weak resistance to pressure and is prone to deformation. Because this type of steel contains a large amount of carbon, it is best not to heat treat if it is not actually required, as it will affect its own performance. The advantage of d2 steel flat bar is that it has a relatively long service life and is wear-resistant, so d2 steel flat bar is suitable for making stamping molds for hardware. After cold treatment, it can also be made into stainless steel sheets, so d2 tool steel has a wide range of uses.
D2 tool steel eqiuvalent grades
| Chinese | American | Germany | Japanese |
| GB | AISI/ASTM | DIN | JIS |
| Cr12Mo1V1 | D2 | 1.2379 | SKD11 |
Available Stock Sizes
Chemical composition(%):
| Grade | C | Si | Mn | P | S | Cr | Mo | V |
| D2 | 1.4-1.6 | 0.3-0.5 | 0.3-0.5 | ≤0.03 | ≤0.03 | 11-13 | 0.7-1.2 | 0.8 |
Heat Treatment:
| Quenching | Tempering | ||||||
| Heating temperature/ºC | Cooling way | Hardness (HRC) | Tempering temperature /ºC |
Tempering number | Hardness (HRC) |
||
| First preheating | Second preheating | Last heating | |||||
| 600-650 | 800-850 | 1020-1040 | Air Cooling | 61-63 | 500-560 | 2 | ≥58 |
d2 steel flat bar produce process
Electric-Furnace Smelting(EF)→Ladle Furnace(LF)→Vacuum Degassing(VD)→ Argon protected ingot →Multidirectional Forging → (Concave forging →)Normalizing+Hydrogen Diffusion Annealing → Ultrasonic Flaw Detection →Queching+Tempering Prehardened
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D2 Forged Tool Steel Flat Bar Applications
d2 steel flat bar can be used to manufacture cold work die steels with large cross-sections, complex shapes, high impact resistance, and high wear resistance requirements, such as silicon steel sheet stamping dies, cold cutting scissors, edge cutting dies, etc. It is also suitable for manufacturing molds with high hardenability requirements and tools that require high toughness and long-term blade retention, such as manufacturing conical forming wheels, cold extrusion molds, punching scissors, etc.
D2 steel has the following performance advantages:
1. d2 tool steel is rich in superhard alloy carbides, so it has good wear resistance.
2. After heat treatment, d2 steel flat bar has relatively small deformation.
3. It has high hardenability, hardenability, and wear resistance.
4. Good corrosion resistance after quenching and polishing.
Delivery
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