材质
Q235, Q235B, S275, S275jr, A53, st37, etc
Name
astm a36 20x40 rectangular steel pipe suppliers
Keyword
20x40 rectangular steel pipe
Material
Q235, Q235B, S275, S275jr, A53, st37, etc
Square sizes
15*15-500*500mm
Rectangular sizes
20*30-400*600mm
Shape
Square. Rectangular Hollow Section
Technical
ERW WELDED STRUCTURE PIPE