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H21/3Cr2W8V/DIN1.2567/SKD51 tool steel
Specifications
1.forged or hot rolled
2.SEP1921 D/d
3. 30-60 days
4.(14~500)*(50~15000)*(2000~6000) or dia (15~900)
5. black, milled, turned
1.Chemical Composition
| Standard | Steel Grade | C | Si | Mn | P | S | Cr | Mo | V | W | other |
| DIN | 1.2581 | 0.25-0.35 | 0.15-0.30 | 0.20-0.40 | 0.035 | 0.035 | 2.50-2.80 | | 0.30-0.40 | 8.00-9.00 | |
| ASTM | H21 | 0.26-0.36 | 0.15-0.50 | 0.15-0.40 | 0.030 | 0.030 | 3.00-3.75 | | 0.30-0.60 | 8.50-10.0 | |
| GB | 3Cr2W8V | 0.30-0.40 | ≤0.40 | ≤0.40 | 0.030 | 0.030 | 2.20-2.70 | | 0.20-0.50 | 7.50-9.00 | |
2.Size:
| round | diameter(mm) | length(mm) | |
| 14~900 | 2000~6000 | | |
| plate/sheet | thichkness(mm) | width(mm) | length(mm) |
| 15~500 | 50~1500 | 2000~6000 |
3.Hardness of annealed:
| HBS≤240 |
4. The Process
| EAF+LF+VD+ESR+Forged or hot rolled+Heat Treatment(optional) |
5. condition of surface
| black | rough machined(peeled) | turned |
6. Inspecting
| ultrosonic test, according to SEP1921 D/d or as your requirements |
7. Quality Control
| Supply M.T.C or third party inspection institution |
H21/3Cr2W8V/DIN1.2567/SKD51 tool steel
