1.2379, D2, SKD11, Cr12Mo1V1 Cold Work Tool Steel Round Bar
D2 is a kind of high-carbon and high-chromium alloy tool steel, after heat treatment has a high hardness of grinding, and has strong hardenability, good dimensional stability characteristics, suitable for making high-precision long-life cold mold and thermoforming plastic mold.
► Similar Grade
| GB | DIN | AISI | JIS |
| Cr12Mo1V1 | 1.2379 | D2 | SKD11 |
► 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 |
► Available size(mm)
| Flat Bar Size(mm) | Round bar Size(mm) |
| Thickness | Width | Length | Diameter | Length |
| 20-250 | 155-610 | 3000-6000 | 20-520 | 3000-6000 |
► Application
A popular grade for toolmakers, this tool steel is used in a wide variety of tool making applications.
Typical applications include punching and blanking dies for stainless steel sheet, brass, copper, zinc and hard abrasive materials generally.
Other application suitable for this tool steel include deep drawing dies, cupping dies, forming die sheet metal forming rolls, shear blades for strip and sheet including flying shears, circular cutters for cold rolled strip, trimmer dies, thread rolling dies, cold extrusion dies, broaches, plug gauges, ring gauges, master hobs for cold hobbing plastic moulds, cut moulds for plastics, special taps, straybolt taps, brick and tile mould liners.
► Features
a. Good processing, heat treatment size stability.
b. Excellent machinability.
c. Excellent dimensional stability when hardened.
d. After hardening and tempering, the high surface hardness match well with the toughness of the body.
► Recommend 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
|
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1.2379 D2 SKD11 Cr12Mo1V1 Cold Work Tool Steel Rod Polished Surface Images
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