波兰 · PN
40 HM
PN H94023:2000 — Roll forged rings made of unalloyed and alloyed steel
化学成分
| 元素 | min | max | 相似 | 备注 |
|---|---|---|---|---|
| C | 0.38 | 0.45 | ||
| Cr | 0.9 | 1.2 | ||
| Cu | 0.3 | For forgings max.0.15% | For forgings max.0.15% | |
| Mn | 0.4 | 0.7 | ||
| Mo | 0.15 | 0.25 | ||
| Ni | 0.3 | |||
| P | 0.035 | |||
| S | 0.035 | |||
| Si | 0.17 | 0.37 | ||
| Ti | 0.05 | |||
| V | 0.05 | For electrical steels max.0.08% | For electrical steels max.0.08% | |
| W | 0.2 |
力学性能
| 热处理 / 状态 | 屈服强度 | 抗拉强度 | 伸长率 | 断面收缩率 | 冲击功 | 硬度 |
|---|---|---|---|---|---|---|
| 锻造坯 100.00< d-直径 ≤160.00mm Tempered | ≥590 (纵向) | 780–930 (纵向) | ≥13 (纵向);for A5;max 13 % for A10 | ≥50 (纵向) | ≥50 (纵向);KCU2; J/cm2 | |
| 锻造坯 100.00< t-厚度 ≤160.00mm Improved heat treatment | ≥590 | ≥780 | ||||
| 锻造坯 16.00< d-直径 ≤40.00mm Tempered | ≥780 (纵向) | 980–1130 (纵向) | ≥11 (纵向);for A5;max 13 % for A10 | ≥45 (纵向) | ≥70 (纵向);KCU2; J/cm2 | |
| 锻造坯 16.00< t-厚度 ≤40.00mm Improved heat treatment | ≥780 | ≥980 | ||||
| 锻造坯 160.00< d-直径 ≤250.00mm Tempered | ≥540 (纵向) | 740–880 (纵向) | ≥14 (纵向);for A5;max 13 % for A10 | ≥50 (纵向) | ≥50 (纵向);KCU2; J/cm2 | |
| 锻造坯 160.00< t-厚度 ≤250.00mm Improved heat treatment | ≥540 | ≥740 | ||||
| 锻造坯 40.00< d-直径 ≤100.00mm Tempered | ≥690 (纵向) | 880–1030 (纵向) | ≥12 (纵向);for A5;max 13 % for A10 | ≥45 (纵向) | ≥50 (纵向);KCU2; J/cm2 | |
| 锻造坯 40.00< t-厚度 ≤100.00mm Improved heat treatment | ≥690 | ≥880 | ||||
| 锻造坯 d-直径 ≤16.00mm Tempered | ≥880 (纵向) | 1080–1280 (纵向) | ≥10 (纵向);for A5;max 13 % for A10 | ≥45 (纵向) | ≥70 (纵向);KCU2; J/cm2 | |
| 锻造坯 t-厚度 ≤16.00mm Improved heat treatment | ≥880 | ≥1080 | ||||
| 锻造坯 淬火和回火 | ≥880 | ≥1030 | ≥10 | ≥45 | ≥70 KCU2; J/cm2 | HB ≤241 |