Standard | Grade | Chemical composition (%) | |||||||||
C | Si | Mn | S | P | V | Ni | Cr | Cu | Ti | ||
GB | CrW | 0.95~1.04 | ≤0.35 | ≤0.40 | ≤0.020 | ≤0.030 | 0.80-1.20 | ≤0.12 | ≤0.10 | ≤0.20 | -- |
AISI | O7 | 0.95~1.04 | ≤0.35 | ≤0.40 | ≤0.020 | ≤0.030 | 0.80-1.20 | ≤0.12 | ≤0.10 | ≤0.20 | -- |
JIS | SKS2 | 0.95~1.04 | ≤0.35 | ≤0.40 | ≤0.020 | ≤0.030 | 0.80-1.15 | ≤0.12 | ≤0.10 | ≤0.20 | -- |
DIN | -- | 0.95~1.04 | ≤0.35 | ≤0.40 | ≤0.020 | ≤0.030 | 0.90-1.10 | ≤0.12 | ≤0.10 | ≤0.20 |
2. Extrusion die(mold, supporting member, choke blocks).
3. Hot press die. (aluminum, magnesium, copper alloy)
4. Parts, such as cold cutting, overlap, hot shears, wearable parts.
5. Important parts for aviation industry.
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