اساسي
JIS, ASTM, GB, BS, DIN, API
درجة
A312, Q235, Q345, 15crmo, STBA25
Product name
Seamless Steel Pipe
Material
Q195/Q215/Q235/Q345
Technology
Hot Rolled Cold Rolled Erw
End protector
Iron Protector
Zinc coating
customers' requirement
Surface finish
customers' requirement