seamless pipe,seamless tube,carbon steel seamless pipe 
Specifications: 
1) Standard: 
a) ASTM: A53, A500, A178, A106, A179, A192, A213, A519 
b) DIN: 17175, 2391 
Output diameter: 13.7mm-323.8mm 
Thickness: 2.24mm-28.58mm 
Material: 20#,45# 
Packing: 
1) Hexagon bundles 
2) Steel strapped 
3) Oiled, varnished or stenciled