Grade 4Cr5MoSiV is a Chinese steel material under GB 1299-2014 tool and mold steel. 4Cr5MoSiV grade steel is a kind of hot work mold steel.
| GB |
DIN |
AISI |
JIS |
| 4Cr5MoSiV |
1.2343 |
H11 |
SKD6 |
Grade 4Cr5MoSiV Chemical Composition
| C |
Mn |
Si |
P |
S |
| 0.33-0.43 |
0.20-0.50 |
0.80-1.20 |
≤0.030 |
≤0.030 |
| Mo |
V |
Ni |
Cu |
Cr |
| 1.10-1.60 |
0.30-0.60 |
≤0.25 |
≤0.25 |
0.25 |
4Cr5MoSiV Steel Hardness in Annealing Condition
| Grade |
Annealing delivery condition |
Sample quenching hardness |
| Hardness HBW |
| 4Cr5MoSiV |
229 max. |
790°C±15°C preheating, 1010°C (salt bath) or 1020°C (furnace controlled atmosphere) 1020°C±6°C heating, heat preservation 5min-15min oil cooling, 550°C±6°C tempering twice tempering, each time 2hour |
