310 stainless steel pipe 1.Standard: ASTM, JIS, DIN, EN. 2.OD: 6-530mm ... ,aid pickling and so onProduction technologySeamless steel pipeWelded steel pipeSurface treatmentPolishing or not The stainless steel barstandardASTM,GBmaterial201,202,301,304,316, ... 316L,316LN,317,317L,309,309S,310,310S,430,409specificationRound Square rectangle If ...