布德鲁斯2601(2)
C | Si | V | Mo | Mn | Cr | Ni | Cu | P | S |
1.45-1.70 | ≤0.40 | 0.15-0.30 | 0.40-0.60 | ≤0.40 |
11.00-12.00 | ≤0.25 |
≤0.30 |
≤0.03 |
≤0.03 |
硬度 :退火,255~207HB,压痕直径3.8~4.2mm;淬火,≥58HRC