630
| 480℃時(shí)效,≥1310 550℃時(shí)效,≥1060 580℃時(shí)效,≥1000 620℃時(shí)效,≥930 | 480℃時(shí)效,≥1180 550℃時(shí)效,≥1000 580℃時(shí)效,≥865 620℃時(shí)效,≥725 | 480℃時(shí)效,≥10 550℃時(shí)效,≥12 580℃時(shí)效,≥13 620℃時(shí)效,≥16 | 480℃時(shí)效,≥40 550℃時(shí)效,≥45 580℃時(shí)效,≥45 620℃時(shí)效,≥50 | 480℃時(shí)效,≥375HB和≥40HRC 550℃時(shí)效,≥331HB和≥35HRC 580℃時(shí)效,≥302HB和≥31HRC 620℃時(shí)效,≥277HB和≥28HRC |