条件 |
抗拉强度 σb |
断后伸长率或延伸率 δ |
O61 - 退火 |
380~485 |
≥47 |
H00 - eighth-hard |
425~540 |
≥28 |
H01 - 1/4硬 |
495~620 |
≥18 |
H02 - 1/2 |
620~760 |
≥10 |
H04 - 硬 |
790~930 |
≥6 |
H08 - Spring |
≥900 |
≥4 |
① Hard (H04) temper is not generally available in sizes over 12 mm (0.500 in.).
② Spring (H08) temper is not generally available in sizes over 6 mm (0.250 in.).