上海至联钢铁供应6Cr4W3Mo2VNb弹簧钢。
化学成分:
C | Si | Mn | Cr | Mo | W | V | Nb | P | S |
0.60~ 0.70 |
≤0.40 | ≤0.40 | 3.80~ 4.40 |
1.80~ 2.50 |
2.50~ 3.50 |
0.80~ 1.20 |
0.20~ 0.35 |
≤0.030 | ≤0.030 |
力学性能:
硬度:退火,≤255HB,压痕直径≥3.8mm;淬火,≥60HRC
C | Si | Mn | Cr | Mo | W | V | Nb | P | S |
0.60~ 0.70 |
≤0.40 | ≤0.40 | 3.80~ 4.40 |
1.80~ 2.50 |
2.50~ 3.50 |
0.80~ 1.20 |
0.20~ 0.35 |
≤0.030 | ≤0.030 |
力学性能:
硬度:退火,≤255HB,压痕直径≥3.8mm;淬火,≥60HRC