板材
添加時(shí)間：2017/1/3
| 牌號(hào) | 狀態(tài) | 板材厚度/mm | 抗拉強(qiáng)度Rm/Mpa | 規(guī)定非比例延伸強(qiáng)度，Rp0.2/(MPa) | 斷后伸長(zhǎng)率A/%，不小于 | 執(zhí)行標(biāo)準(zhǔn) |
| TA1 | M | 0.3-25.0 | ≥240 | 140-310 | 30 | GB/T3621-2007 |
| TA2 | 0.3-25.0 | ≥400 | 275-450 | 25 | ||
| TA3 | 0.3-25.0 | ≥500 | 380-550 | 20 | ||
| TA7 | 0.8-1.5 | 735-930 | ≥685 | 20 | ||
| >1.6-2.0 | 15 | |||||
| >2.0-5.0 | 12 | |||||
| >5.0-10.0 | 12 | |||||
| TC4 | 0.8-2.0 | ≥895 | ≥830 | 12 | ||
| >2.0-5.0 | 10 | |||||
| >5.0-10.0 | 10 | |||||
| >10.0-25.0 | 8 |
