国内阀门材料常用技术标准 钛及钛合金铸件、力学性能
| 牌 号 | 代 号 |
抗拉强度 σb N/mm2,不小于 |
规定残余伸长 应力σr0.2 N/mm2,不小于 |
伸长率 δ5 %,不小于 |
硬度 HB 不大于 |
| ZTi1 | ZTA1 | 345 | 275 | 20 | 210 |
| ZTi2 | ZTA2 | 440 | 370 | 13 | 235 |
| ZTi3 | ZTA3 | 540 | 470 | 12 | 245 |
| ZTiAl4 | ZTA5 | 590 | 490 | 10 | 270 |
| ZTiAl5Sn2.5 | ZTA7 | 795 | 725 | 8 | 335 |
| ZTiAl6V4 | ZTC4 | 895 | 825 | 6 | 365 |
| ZTiMo32 | ZTB32 | 795 | — | 2 | 260 |
| ZTiAl6Sn4.5Nb2Mo1.5 | ZTC21 | 980 | 850 | 5 | 350 |
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