stainless steel tube, 1.Grade:201,202,301,304,316L,430 2.OD:9.53mm-254mm,TK:0.3 mm-3.0mm 3.ASTM A554 From the nature, To the excellence NameSTAINLESS STEEL TUBEStandardASTM A554Material Grade201,202,304,316,316L,430Main Material a) 201 (Ni0.8%-1%) b) 202 (Ni: 3.5%-4.5%)c) 304 (Ni: 8% Cr: 18%)d) 316 (Ni: 10% Cr: 18%)Size Range9.53mm-254mmThickness0.3mm - 3.0mmLength6m or as customers' request ...