... ,202,304O.D9.5-219 (mm)W.T0.28-3.0 (mm)Lengh Uncertain ,conventional tube :6mStandardIS,AISI,ASTM,GB,DIN ... #Bright Polish200# 300# 400# 500# 600#Tolerance OD: ±0.15mm Thickness: ±0.03-0.02mm Length: ±4.5mm-0mm GradeMechanical PropertiesTensile StrengthYied StrengthElogationHardnessKgf ... :Steel Pipe 2:OD:9.5--219mm 3:Thickness(mm):0.25--3.0 76*0.5mm Stainless welded Steel Tube