is a kind of flame quenching cold work die steel bar and alloy tool steel bar with high carbon content. has good good hardenability. The steel not only has high strength, but has good toughness.
chemical composition %:
Grade |
Chemical composition %: |
|||||||
C |
Si |
Mn |
S |
P |
Cr |
Mo |
V |
|
7CrSiMnMoV |
0.65-0.75 |
0.85-1.15 |
0.65-1.05 |
≤0.03 |
≤0.03 |
0.9-1.2 |
0.2-0.5 |
0.15-0.3 |
critical temperature:
Grade |
critical point |
Acl |
Acm |
Arl |
Arm |
Ms |
7CrSiMnMoV |
Temperture(approximate value)/℃ |
776 |
834 |
694 |
732 |
211 |
line (of) expansion coefficient:
Grade |
Temperature/℃ |
11~100 |
11~200 |
11~300 |
11~400 |
11~500 |
11~600 |
7CrSiMnMoV |
Line (of) expansion coefficient/℃-1 |
12.7×10-6 |
13.2×10-6 |
13.5×10-6 |
14.0×10-6 |
14.3×10-6 |
14.0×10-6 |
Our company, KUNFENG, purchases hundreds of 7CrSiMnMoV forged round bar and put them into our warehouse to meet the customer’s urgent need. The diameter for 7CrSiMnMoV round bar is 80-1200mm and the length is usually 12 meters. Also we can cut it into short bars. Our factory also can produce 7CrSiMnMoV forged steel round bar, 7CrSiMnMoV forged square bar, 7CrSiMnMoV forged shafts and 7CrSiMnMoV forged blocks.