1. We could supply high precision cold drawn seamless tubes, which is widely used in boiler, heat exchanger, superheater, hydraulic and pneumatic cylinder. 

2. Standard&material:
ASTM A53/A106 Gr. A/B/C, ASTM A179, ASTM A192, ASTM A209 T1, ASTM A210-A/C, ASTM A213 T5, T9, T11, T12, T22, ASTM A335 P1, P5, P9, P11, P12, P22, ASTM A519 SAE1010, SAE1020, SAE1025, SAE1035, SAE1045, SAE4130, SAE4140, DIN17175 ST35.8, ST45.8, 

DIN2391 ST35, St45, ST52, DIN1629, DIN2448, En10305-1 E215, E235, E355, 
etc

3. SIze range: 8mm-610mm(OD) 0.8mm-38mm(Wall Thickness) 

4. Delivery condition: NBK(normalizing), GBK(annealing), BKS(stress-relieving), BKW, BK. 

5. Packing: In hexagonal shape bundles wrapped with strong steel trip 2MT/bundle Or as per customers’ requirements. 

6. coating, varnish, or end-protection by plastic caps to be confirmed. 


Please feel free to let us know if you need more information to bill@cnpipefitting.com