化学成分
牌号 |
化学成分及其含量% |
||||||
C |
Si |
Cr |
Mn |
Ni |
Mo |
N |
|
W-1 |
≤0.08 |
≤0.8 |
13.5~ 16.5 |
16.0 ~ 18.5 |
1.0~3.0 |
0.40 ~ 0.85 |
0.25 ~ 0.40 |
W-2 |
≤0.03 |
≤0.8 |
13~ 16 |
18.5 ~ 22.0 |
1.0~3.0 |
0.4~0.80 |
0.30 ~ 0.45 |
W-3 |
≤0.03 |
≤0.8 |
16.5~18.5
|
18.5 ~ 22.0 |
1.0~3.0 |
0.4~0.80 |
0.50 ~ 0.80 |
力学性能
牌号 |
外径范围 |
屈服强度 |
抗拉强度 |
伸长率A % |
夏比冲击功 |
硬度(HB) |
|||
㎜ |
MPa |
ksi |
MPa |
ksi |
21℃ |
-25℃ |
|||
W-1 |
79.4-174.6 |
≥758 |
≥110 |
≥827 |
≥120 |
≥20 |
≥85 |
≥40 |
285-400 |
177.8-279.4 |
≥689 |
≥100 |
≥758 |
≥110 |
|||||
W-2 |
79.4-174.6 |
≥827 |
≥120 |
≥896 |
≥130 |
≥25 |
≥150 |
≥40 |
285-365 |
177.8-279.4 |
≥758 |
≥110 |
|||||||
W-3 |
79.4-174.6 |
≥965 |
≥140 |
≥1034 |
≥150 |
≥20 |
≥100 |
≥40 |
300-400 |
177.8-279.4 |
≥896 |
≥130 |