GB/T 1299
Cold Work Mold Steel GB/T 1299 standard is a Chinese specification designed for tool and mold steel. It is divided into four categories by chemical composition: non-alloy tool steel, alloy tool steel, alloy mold steel and non-alloy mold steel.
GB/T 1299 Cold Work Mold Steel Chemical Composition (%, by weight)
| Grade |
C |
Si |
Mn |
Cr |
W |
Mo |
V |
Nb |
| Crl2 |
2.00~ 2.30 |
≤0.40 |
≤0.40 |
11.50~13.00 |
|
|
|
|
| Crl2MOlVl |
1.40~ 1.60 |
≤0.60 |
≤0.60 |
11.00 13.00 |
0.70~ 1.20 |
≤1.00 |
Co ≤1.00 |
|
| Crl2MOV |
1.45~ 1.70 |
≤0.40 |
≤0.40 |
11.00~ 12.50 |
|
0.40~ 0.60 |
0.15~ 0.30 |
|
| Cr5MOlV |
0.95~ 1.06 |
≤0.50 |
≤1.00 |
4.75~ 5.50 |
0.90~ 1.40 |
0.15~ 0.50 |
|
|
| 9Mn2V |
0.85~ 0.95 |
≤0.40 |
1.70~ 2.00 |
|
|
|
0.10~ 0.25 |
|
| CrWMn |
0.90~ 1.05 |
0.80~ 1.10 |
0.90~ 1.20 |
1.20~ 1.60 |
|
|
|
|
| 9CrWMn |
0.85~ 0.95 |
0.90~ 1.20 |
0.50~ 0.80 |
0.50~ 0.80 |
|
|
|
|
| Cr4W2MoV |
1.12~ 1.25 |
0.40~ 0.70 |
≤0.40 |
3.50~ 4.00 |
1.90~ 2.60 |
0.80~1.20 |
0.80~1.10 |
|
| 6Cr4W3- Mo2VNb |
0.60~ 0.70 |
≤0.40 |
≤0.40 |
3.80~ 4.40 |
2.50~ 3.50 |
1.80~2.50 |
0.80~1.20 |
0.20 ~0.35 |
| 6W6Mo5- Cr4V |
0.55~ 0.65 |
≤0.60 |
3.70~ 4.30 |
6.00~ 7.00 |
4.50~5.50 |
0.70~1.10 |
|
|
