carbon square steel tubes galvanizing

Min Order:1 ton

Industry:Minerals & Metallurgy

Standard: BS, GB, ASTM, BS 1387, GB/T9711, ASTM A53M-2007, ASME, ANSI, ASTM, API EN

Grade: 10#-45#, Q195-Q345, 20#, 45#, Q235, Q345, Q195, Q215, 10#, 20#, Q215,Q235,Q195, A53A, A53B, X65 X42

Thickness: 0.7 - 16 mm

Section Shape: Square

Outer Diameter: 20*20--400*400mm

Secondary Or Not: Non-secondary

Application: Structure Pipe, Fluid Pipe

Technique: ERW, ERW

Certification: API, API

Surface Treatment: Other