forged steel round bar 6CrW2Si
1.hot rolled 6CrW2Si tool steel
2.High tenacity,quenching hardness and abrasive resistance
3.HOT WORK TOOL STEEL ROUND BAR
4.6CrW2Si standard
JIS | ASTM | ISO |
G4404 2000 | A681 2007 | 4957 1999 |
5.Chemical composition(for reference only):
C | Si | Mn | w | Cr | P | S |
0.55~0.65 | 0.50~0.80 | ≤0.40 | 2.00~2.70 | 1.00~1.30 | ≤0.030 | ≤0.030 |
Delivery of hardness and quenching hardness
Steel name | Delivery status | Quenched specimens | |||
Hardness HBW | Impressiondiameter (mm) | Quenching temperature/°C | Cooling medium | hardness ≥HRC | |
6CrW2Si | 285~229 | 3.6~4.0 | 860~900 | oil | 57 |
6.The physical properties of the 6CrW2Si steel
critical point | Ac1 | Ac3 | Ms |
Temperature (approx.) / ° C | 775 | 810 | 280 |
7.6CrW2Si steel thermal processing
Project | heating temperature / °C | initial forging temperature / ° C | final forging temperature / ° C | cooling method |
Steel ingot
| 1170~1200
| 1150~1180
| ≥850
| Slow cooling
Slow cooling |
8.Delivery condition:EAF or ESR;hot rolled or forging;black,machined surface
9.Specification: Round bar:Thickness: 30~400mm, Length:2500~4000mm .
10.Payment terms:prepay30% deposit,T/T or L/C at sight.