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TC4板材资料
一、执行标准：GB/T3621-2007
二、化学成分
|
合金牌号 |
名义 化学成份 |
化学成份（质量分数）% |
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|
主要成份 |
杂质，不大于 |
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|
Ti |
Al |
V |
Fe |
C |
N |
H |
O |
其它元素 |
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|
单一 |
总和 |
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|
TC4 |
Ti-6Al-4V |
余量 |
5.5~6.75 |
3.5~4.5 |
0.30 |
0.08 |
0.05 |
0.015 |
0.20 |
0.10 |
0.40 |
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|
TC4ELI |
Ti-6Al-4V ELI |
余量 |
5.5~6.5 |
3.5~4.5 |
0.25 |
0.08 |
0.03 |
0.0120 |
0.13 |
0.10 |
0.30 |
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三、力学性能
|
牌号 |
状态 |
板材厚度/mm |
抗拉强度Rm/MPa |
规定非比例延伸强度Rp0.2/MPa |
断后伸长率aA/% |
|
TC4 |
M |
0.8~2.0 ＞2.0~5.0 ＞5.0~10.0 10.0~25.0 |
≥895 |
≥830 |
12 10 10 8 |
|
TC4ELI |
M |
0.8~25.0 |
≥860 |
≥795 |
10 |
四、允许偏差
|
板材厚度的允许偏差 |
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|
|
400~1000 |
＞1000~2000 |
＞2000 |
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|
0.3~0.5 |
±0.05 |
— |
— |
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|
＞0.5~0.8 |
±0.07 |
— |
— |
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|
＞0.9~1.1 |
±0.09 |
— |
— |
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|
＞1.1~1.5 |
±0.11 |
— |
— |
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|
＞1.5~2.0 |
±0.15 |
— |
— |
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|
＞2.0~3.0 |
±0.18 |
— |
— |
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|
＞3.0~4.0 |
±0.22 |
— |
— |
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|
＞4.0~6.0 |
±0.35 |
±0.40 |
— |
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|
＞6.0~8.0 |
±0.40 |
±0.60 |
±0.80 |
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|
＞8.0~10.0 |
±0.50 |
±0.60 |
±0.80 |
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|
＞10.0~15.0 |
±0.70 |
±0.80 |
±1.00 |
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|
＞15.0~20.0 |
±0.70 |
±0.90 |
±1.10 |
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|
＞20.0~30.0 |
±0.90 |
±1.00 |
±1.20 |
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|
＞30.0~40.0 |
±1.10 |
±1.20 |
±1.50 |
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|
＞40.0~50.0 |
±1.20 |
±1.50 |
±2.00 |
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|
＞50.0~60.0 |
±1.60 |
±2.00 |
±2.50 |
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|
板材宽度和长度允许偏差 |
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|
厚度 |
宽度 |
宽度允许偏差 |
长度 |
长度允许偏差 |
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|
0.3~0.4 |
400~1000 |
+10 0 |
1000~3000 |
+15 0 |
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|
＞4.0~20.0 |
400~3000 |
+15 0 |
1000~4000 |
+20 0 |
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|
＞20.0~60.0 |
400~3000 |
+20 0 |
1000~4000 |
+25 0 |
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