| 条件 |
热处理或状态 |
抗拉强度
σb |
屈服点
σs |
断后伸长率或延伸率
δ |
断面收缩率
ψ |
硬度 |
| 钢材 |
Controlled cooled |
≈1300 |
|
|
|
≈385 |
| 钢材 |
Quenched at 1000°C to 1100°C |
≤1300 |
|
|
|
≤385 |
| 钢材d≤40 |
+AT +P |
950~1150 |
≥580 |
≥12 |
≥15 |
HRC≥30* |
| 钢材 |
+AT +P |
≥680 |
≥350 |
|
|
|
| 钢材 |
|
≥650 |
≥330 |
|
|
|
| 钢材 |
|
≥610 |
≥310 |
|
|
|
| 钢材 |
|
≥550 |
≥285 |
|
|
|
| 钢材 |
|
≥480 |
≥260 |
|
|
|
| 钢材 |
|
≥410 |
≥240 |
|
|
|
| 钢材 |
|
≥340 |
≥220 |
|
|
|
*Austenitic grades X55CrMnNiN20-8 to X33CrNiMnN23-8 may show hardness values which cannot be converted into tensile strength
values acording to the standard tables commonly used in laboratories. Therefore, in cases of dispute only the tensile strength value
shall be considered as valid.
