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LIFENG Material Forming Tube Bending
U-bent are widely used in heat-exchanger systems. Heat-exchanger equipment on the basis of seamless stainless U-tubes is essential in strategically important and critical fields — nuclear and petrochemical machine building.
U-tubes are bended according to drawings from cold drawn seamless steel tubes&stainless steel tubes according to standard ASTM A179 or A213.
Heat treatment:
1) Stress relive annealing of U-tubes after bending only for all positions
2) Surface condition finished U-tube shall be free of scale,without scratches after bending.
3) Through ball test
4) 100% Eddy Current tests.
5) 100% Hydrostatic tests after bending
Bending radius as per your drawings
Dimensional tolerances as per standards
Flattening at the bend should not exceed 10% of the norminal tube outerside.

| Registration Date | 2016/08/23(Year/Month/Date) |
|---|---|
| Buyer / Seller in EC21 | Seller |
| Business Type | Manufacturer |
| Year established | 2011 |
| Employees total | 11 - 50 |
| Annual revenue | USD 2,000,001 - 5,000,000 |
| Company | Lifeng Industry Group Co.,Limited |
|---|---|
| Address | 406 Guotai Oriental Plaza, No.9 Renmin East Road,ZhangjiagangJiangsu215600China |
| Phone | 86 - 1815158 - 9596 |
| Fax | 0086 - 1815158 - 9596 |
| Homepage | www.lifengroup.com |
| Contact | Jenny / Sales Manager |