GR7 Big Dia titanium tubes
1.Grade
Gr1, Gr2, Gr3, Gr4 Gr5, Gr7, Gr9, Gr11, Gr12, Gr19, Gr23
2. Description of seamless tube
|
Description |
Size(mm) |
Standard |
|
RolledSeamlessTube |
Φ(3-110)×(0.2-4.5)W×L |
ASTM B861 |
3.Allowable Deviation of Outer Diameter (mm)
|
Outer Diameter |
Allowable Deviation |
Outer Diameter |
Allowable Deviation |
|
3~10 |
±0.15 |
>50~80 |
±0.65 |
|
>10~30 |
±0.30 |
>80~100 |
±0.75 |
|
>30~50 |
±0.50 |
>100 |
±0.85 |
4. Allowable Deviation of Length(mm): L<6000 +6 ; L ≥ 6000+10
5. Curvature of Titanium Tube
|
Outer Diameter (mm) |
Curvature (mm/m, not more than) |
|
≤30 |
3 |
|
>30~110 |
4 |
6.Application
Heat exchangers and condensers
All kinds of corrosive fluid transmission pipeline system
Titanium bicycle tubes, automobile exhaust pipe
Offshore aquaculture
7. Final product test
Ultrasonic test, Eddy current test, Hydraulic test, Bend test, Flaring test and so on.
