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titanium tube
Titanium Production Flow Chart
Titanium tube/pipe parameters
The chemical composition of titanium tube/pipe as per ASTMB337/338 | |||||||||
Element | GR1 | GR2 | GR4 | GR5 | GR9 | GR12 | GR17 | GR23 | Ti15V3Cr3Sn3Al |
Nitrogen,max | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 |
Carbon,max | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.05 |
Hydrogen,bg,max | 0.015 | 0.015 | 0.015 | 0.015 | 0.015 | 0.015 | 0.015 | 0.015 | 0.015 |
Iron,max | 0.2 | 0.3 | 0.5 | 0.4 | 0.25 | 0.2 | 0.2 | 0.25 | 0.3 |
Oxygen,max | 0.18 | 0.25 | 0.4 | 0.2 | 0.15 | 0.1 | 0.18 | 0.13 | 0.13 |
Aluminum | 5.5-6.7 | 2.5-3.5 | 5.5-6.5 | 2.5-305 | |||||
Vanadium | 3.5-4.5 | 2.0-3.0 | 3.5-4.5 | 14-16 | |||||
palladium | 0.04-0.08 | ||||||||
Molybdenum | 0.2-0.4 | ||||||||
Chromium | 2.5-3.5 | ||||||||
Nickel | 0.6-0.9 | ||||||||
Residuals,D.E.F | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | Sn2.5-3.5 |
Max each Residuals,D.E.F | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | |
Max total titanium G | balanc | balanc | balanc | balance | balance | balance | balance | balance | balance |
Grade | Supply Status | Technology | Outer Diameter (mm) | Wall Thickness (mm) |
Gr1 Gr2 Gr4 Gr5 Gr9
|
Annealed (M) |
Seamless Cold-rolled Cold-drawn | >10~15 | 0.5~2.5 |
>15~20 | 0.6~3.0 | |||
>20~30 | 0.6~3.5 | |||
>30~40 | 1.0~4.0 | |||
>40~50 | 1.5~4.5 | |||
>50~60 | 2.0~4.5 | |||
>60~80 | 2.0~4.5 | |||
>80~114 | 2.0~4.5 | |||
>114~133 | 2.0~10 | |||
158 | >=15 | |||
Welding | >133 | 0.5~10 |
Note: "0" means can be produced.
B. Tolerance:
Outer Diameter (mm) | Tolerance | Outer Diameter (mm) | Tolerance |
6~10 | +/-0.15 | >50~80 | +/-0.65 |
>10~30 | +/-0.30 | >80~100 | +/-0.75 |
>30~50 | +/-0.50 | >100 | +/-0.85 |
C. Length:
Type | Seamless tube | Welding tube | |||
Outer Diameter (mm) | Wall Thickness (mm) | ||||
<=15 | >15 | 0.5~1.25 | 1.25~2.0 | >2.0~2.5 | |
Length | 500~4000 | 500~9000 | 500~15000 | 500~15000 | 500~4000 |
D. Standard:
1) ASTM B338: Titanium and Titanium alloy tube for condensers and heat exchangers
2) ASTM B337: Titanium and Titanium alloy seamless and welded pipe
3) ASTM B861: Titanium and Titanium alloy seamless pipe
4) ASTM B862: Titanium and Titanium alloy welded pipe
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GR9 seamless titanium tube for bicyle tubing