... price -product name-main material-standard-usessize range(mm)stainless steel pipe 0Cr18Ni9 (304),00Cr19Ni10 (304L),00Cr17Ni14MO2(316L),00Cr17Ni12MO2(316),0Cr19Ni13MO3(317 ... 14976-2002GB/T 14975-2002 -Decorative Stainless Steel 4-426×1-40 Structural Pipe 10,20,35,45,Q23516Mn Q345BGB/T8162-2008 ... ,Q235,Q345,20#GB/T6278-2002 Structure, decoration, construction20*20- galvanized steel pipe for construction