201/301/304 stainless steel square tube standard ASTM A554 Polished,Hariline and Satin 201stainless steel pipe/tube OD:9.5mm,12.7mm,15.9mm,17mm,18mm,19mm,20mm,22mm,23mm,25mm,28mm,30mm,31.8mm,36mm,38mm,48mm,50mm,60mm,63mm,76mm,89mm,102mm,114mm,129mm,133mm,141mm,159mm,168mm,219mmThickness: 0.25-3.0 mmLength: 3000mm~6000mm,or according to customer requestTolerance:OD:+-0.2mm,WT:+-0.05mm,Length:+- ...