| 〔107〕钛与钛合金热交换器管 | ||||||||||||
| （Titanium and Titanium Alloy Tube for Heat Exchangers) | ||||||||||||
| 标准代号 | 规格号码 | 记号 | 化学成分（%)Chemical composition | 拉伸试验 Tensile requirements | ||||||||
| Ti | N | C | H | Fe | O | Pd | 降伏强度(Mpa) | 抗拉强度(Mpa) | 伸长度(%) | |||
| GB | T3620 T3625 | TA0 | 其余 | ≦0.03 | ≦0.1 | ≦0.015 | ≦0.15 | ≦0.15 | - | ≧170 | 280-420 | ≧24 |
| JIS | H4631 | TTH270 | 其余 | ≦0.03 | ≦0.08 | ≦0.013 | ≦0.2 | ≦0.15 | - | - | 270-410 | ≧27 |
| ASTM | B338 | Gr.1 | 其余 | ≦0.03 | ≦0.08 | ≦0.015 | ≦0.2 | ≦0.18 | - | ≧170 | ≧240 | ≧24 |
| GB | T3620 T3625 | TA1 | 其余 | ≦0.03 | ≦0.1 | ≦0.015 | ≦0.25 | ≦0.2 | - | ≧250 | 370-530 | ≧20 |
| JIS | H4631 | TTH340 | 其余 | ≦0.03 | ≦0.08 | ≦0.013 | ≦0.25 | ≦0.2 | - | - | 340-510 | ≧23 |
| ASTM | B338 | Gr.2 | 其余 | ≦0.03 | ≦0.08 | ≦0.015 | ≦0.3 | ≦0.25 | - | ≧275 | ≧345 | ≧20 |
| GB | T3620 T3625 | TA2 | 其余 | ≦0.05 | ≦0.1 | ≦0.015 | ≦0.3 | ≦0.25 | - | ≧320 | 440-620 | ≧18 |
| JIS | H4631 | TTH480 | 其余 | ≦0.05 | ≦0.06 | ≦0.013 | ≦0.3 | ≦0.3 | - | - | 480-620 | ≧18 |
| ASTM | B338 | Gr.3 | 其余 | ≦0.05 | ≦0.08 | ≦0.015 | ≦0.3 | ≦0.35 | - | ≧380 | ≧450 | ≧18 |
| JIS | H4631 | TTH270Pd | 其余 | ≦0.03 | ≦0.08 | ≦0.013 | ≦0.2 | ≦0.15 | 0.12-0.25 | - | 270-410 | ≧27 |
| ASTM | B338 | Gr.11 | 其余 | ≦0.03 | ≦0.08 | ≦0.015 | ≦0.2 | ≦0.18 | 0.12-0.25 | ≧170 | ≧240 | ≧24 |
| GB | T3620 T3625 | TA9 | 其余 | ≦0.03 | ≦0.1 | ≦0.015 | ≦0.25 | ≦0.2 | 0.12-0.25 | ≧250 | 470-530 | ≧20 |
| JIS | H4631 | TTH340Pd | 其余 | ≦0.03 | ≦0.08 | ≦0.013 | ≦0.25 | ≦0.2 | 0.12-0.25 | - | 340-510 | ≧23 |
| ASTM | B338 | Gr.7 | 其余 | ≦0.03 | ≦0.08 | ≦0.015 | ≦0.3 | ≦0.25 | 0.12-0.25 | ≧275 | ≧345 | ≧20 |