Our factory professional produce stainless steel round tube,stainless steel coil and stainless steel accessory 1)Products: Stainless steel round tube2)Grade: AISI 304, AISI ... to 219mm, wall thickness from 0.25mm to 3.0mm Square tube: Side length from 10mm*10mm to 150mm*150mm, wall ... )Polishing: 400 grit, 600 grit, 240 grit, HL, 2B, BA square hollow section steel pipe