9CrWMn/O1/1.2510/SKS3 Alloy Steel Cutting Tools
9CrWMn/O1/1.2510/SKS3 alloy steel cutting tools
Steel grade: DIN1.2510 GB 9CrWMn AISI O1
1.Chemical Composition(%)
<| Country | Steel | Chemical Composition | |||||||
| Grades | C | Si | Mn | Cr | W | V | P | S | |
| China GB | 9CrWMn | 0.85-0.95 | ≤0.40 | 0.90-1.20 | 0.50-0.80 | 0.50-0.80 | — | ≤0.030 | ≤0.030 |
| American AISI | O1 | 0.85-1.00 | 0.10-0.50 | 1.00-1.40 | 0.40-0.60 | 0.40-0.60 | ≤0.30 | ≤0.030 | ≤0.030 |
| Germany DIN | 1.2510 | 0.90-1.05 | 0.15-0.35 | 1.00-1.20 | 0.50-0.70 | — | 0.05-0.15 | ≤0.035 | ≤0.035 |
| Japan JIS | SKS3 | 0.90-1.00 | ≤0.35 | 0.90-1.20 | 0.50-1.00 | 0.50-1.00 | — | ≤0.030 | ≤0.030 |
| Feature | Has a higher hardness and wear resistance after quenching and tempering,the bending strength and toughness will | ||||||||
| be higher when quenching at 800 ℃. | |||||||||
| purpose | Typically used for manufacturing cross-section is small and complex shape of the Die, and a variety of gauges, | ||||||||
| measuring etc. | |||||||||
| Other steels | 9SiCr; 1.2108; T7-T10; CrWMo; 4-6CrW2Si; A2(American) | ||||||||
2. Available sizes :
Rolled flat bar Thickness 112-60mm width:60-610mm Rolled Round bar dia. 50-130mm
Forged flat bar Thickness:60-200mm width:100-800mm Forged round bar dia. 50-400mm
3 Annealed.hardness :197-241HBS
4 Properties
• Good wear resistance, and good hardenability
• Resistance to plastic deformation
5 Applications
It is universally used for manufacture of cutting tools, blanking and stamping dies, thread cutting tools, machine knives for the wood paper and metal working industries, broaches, measuring tools, etc.


Furnce material-melting-steel ingot-forging-forging billet-heating-rolling -slow cooling-collecting-annealing-finishing-inspection-package-warehousing
8. Delivery condition
Annealed + black/peeled/turned/grinding/polishing surface option, Ultrosonic test accord with SEP 1921-84 class c/c

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