China M35 1.3243 Alloy High Speed Alloy Steel Round Bar for Cutters, Find details about China alloy steel, 1.3243 Steel from M35 1.3243 Alloy High Speed Alloy Steel Round Bar for Cutters
C | Si | Mn | S | Cr | W | Mo | V | Co |
0.93 | 0.38 | 0.35 | ≤0.03 | 4.10 | 6.30 | 4.80 | 1.85 | 4.90 |
Preheat | 1190~1210ºC or 200~1220ºC | Delivery hardness | ≤285HB | quenching | 730~840ºC |
Oil cooling | 540~560ºC | Annealed | ≤269HB | Ready Stock | 6-50mm |
Tempering | Twice, 2 hours each time. | ||||
Delivery status | Hot rolled, forged, annealed, | ||||
Surface conditions | Rough turning, peeling, polishing,machined, grinded,black surface | ||||
Deliver time | 7-20 days.For customized products, 30-50 days. |