1.2510 O1 SKS3 9CrWMn Cold Work Tool Steel
1. Similar Standards
Chinese |
American |
German |
Japanese |
GB |
AISI |
DIN |
JIS |
9CrWMn |
O1 |
1.2510 |
SKS3 |
2. Chemical Composition
Grades |
C |
Si |
Mn |
P |
S |
V |
W |
Cr |
1.251 |
0.90-1.05 |
0.15-0.35 |
1.0-1.2 |
≤0.035 |
≤0.035 |
0.05-0.15 |
0.5-0.7 |
0.5-0.7 |
9CrWMn |
0.85-0.95 |
≤0.4 |
0.9-1.2 |
≤0.035 |
≤0.035 |
/ |
0.5-0.8 |
0.5-0.8 |
O1 |
0.85-0.95 |
0.2-0.4 |
1.0-1.3 |
≤0.035 |
≤0.035 |
0.2 |
0.4-0.6 |
0.4-0.6 |
3. Heat Treatment
Quenching |
Tempering |
Heating Temperature/ºC |
Cooling |
Hardness/HRC |
Heating Temperature/ºC |
Cooling |
Hardness/HRC |
820-840 |
Oil |
64-66 |
160-180 |
Air |
≥62 |
4. Stock Size
flat bar |
Thickness |
10-70mm |
Width |
155-610mm |
Length |
3000-6000mm |
steel round bar |
Diameter |
14-100mm |
5. General Applications
1. Used for make cold die with small cross section and complicated shape and high precision
2. Used to make sheet stamping touch, jewelry embossing mold
3. Widely used in cutting tools, such as broaches, filament taps, long reamer, special milling cutters
4. For the overall hardened plastic mold
5. For thermosetting plastic forming, it requires high wear resistance and high strength mold
6. Product photo