Specially: High toughness, wearing resistance, high quenching hardness and certain high-temperature strength.
Heat treatment:
Quench: 860-900°C oil cooling ,HRC≥57
Anneal : isothermal annealing heating temperature 800-820°C, keep temperature for 3-5 hours.
Dimension(mm):
Round : diameter50-300mm
Flat : thickness20-200mm*width60-500mm
1.Chemical Composition:
C | Si | Mn | Cr | W | P | S |
0.55-0.65 | 0.50-0.80 | ≤0.040 | 1.00-1.30 | 2.20-2.70 | ≤0.030 | ≤0.030 |
2. f high quenching degree, fine tempering resistance and stable isothermal transformation.
3. The steel is the most suitable steel to make tools and moulds which bear impulsive load and have high abrasive resistance requirements, such as pneumatic tools
4)Application:Used for mandrel,pound press tools,samll stools like razor.
5)Payment: FOB/CIF T/T
6CrW2Si/SKS4/STS4/60WCrV8/S1 tool bar