国内阀门材料常用技术标准 钛及钛合金棒材力学性能(2)
牌号 |
试验温度/ ℃ |
高温力学性能,不小于 | |||
抗拉强度 Rm/MPa |
持久强度/MPa | ||||
σ100h | σ50h | σ35h | |||
TA6 | 350 | 420 | 390 | — | — |
TA7 | 350 | 490 | 440 | — | — |
TA15 | 500 | 570 | — | 470 | — |
TA19 | 480 | 620 | — | — | 480 |
TC1 | 350 | 345 | 325 | — | — |
TC2 | 350 | 420 | 390 | — | — |
TC4 | 400 | 620 | 570 | — | — |
TC6 | 400 | 735 | 665 | — | — |
TC9 | 500 | 785 | 590 | — | — |
TC10 | 400 | 835 | 785 | — | — |
TC11a | 500 | 685 | — | — | 640a |
TC12 | 500 | 700 | 590 | — | — |
a TC11钛合金棒材持久强度不合格时,允许再按500℃的100h持久强度σ100h≥590MPa进行检验,检验合格则该批棒材的持久强度合格。 |
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