Types: Seamless Medium-Carbon Steel Boiler and Superheater Tubes.
Application: water, petroleum, oil & gas, and other industries.
OD: 12.7-127mm,WT: 0.9-12.7mm
Standard & Grade: ASTM A210 Grade A1, ASTM A210
Ends: Annealed, Pickling, Polished
Heat Treatment: Hot-finished tubes need not be heat treated. 
Surface: Bare, Lightly Oiled, Black/Red/Yellow Painting, Zinc/Anti-corrosive Coating