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tool steel products 2.2mm-160mm,HSS steel,cold drawing ,rolled ,black surface & bright finished surface treatment
| Typical product explanation | |||||||||||
| High speed steel | |||||||||||
| W6Mo5Cr4V2 | |||||||||||
| Similar to other Foreign Grade | GB | ASTM | DIN | JIS | |||||||
| W6Mo5Cr4V2 | M2 | 1.3343 | SKH-9 | ||||||||
| Chemical composition% | Standard | C | Mn | Cr | W | Mo | V | S | P | ||
| GB9943-88 | 0.8/0.9 | 0.18/0.4 | 3.8/4.4 | 5.5/6.7 | 4.5/5.5 | 1.75/2.2 | ≤0.03 | ≤0.03 | |||
| Description | Carbide is thin and even,with high quenching hardness ,good red hardness ,toughness,wearing resistance and hot plasticity. | ||||||||||
| Application | Various mechanical processing tools and punch mold | ||||||||||
| Heat treatment | Quenching :Preheating at 730-840oC,oil quenching at 1210-1230oC,540-560oC tempering for three times ,hardness HRC62-64. | ||||||||||
| Size and shape | Bars:ø2.2-160mm | ||||||||||
| Delivery condition | Annealed hardness HB≤255 | ||||||||||
| High speed steel | |||||||||||
| W6Mo5Cr4V2Co5 | |||||||||||
| Similar to other Foreign Grade | GB | ASTM | DIN | JIS | |||||||
| W6Mo5Cr4V2Co5 | M35 | 1.3243 | SKH-55 | ||||||||
| Chemical composition% | Standard | C | Mn | Cr | W | Mo | V | Co | S | P | |
| GB9943-88 | 0.8/0.9 | 0.18/0.4 | 3.8/4.4 | 5.5/6.7 | 4.5/5.5 | 1.75/2.2 | 4.5/5.5 | ≤0.03 | ≤0.03 | ||
| Description | Carbide is thin and even,with high quenching hardness,good red hardness,hot hardness and wearing resistance and good cutting character. | ||||||||||
| Application | Various mechanical processing cutting tools and punch mold | ||||||||||
| Heat treatment | Quenching:Preheating at 730-840oC,oil quenching at 1210-1230oC,540-560oC tempering for three times,hardness HRC64-67. | ||||||||||
| Size and shape | Bars:ø2.2-160mm | ||||||||||
| Delivery condition | Annealed hardness HB≤235 | ||||||||||
High speed steel bar