... :0.8-28mm 4.Surface:Polished, frosting 310 stainless steel pipe1) Process method: cold drawn/cold rolling 2) ... the following products that we can supply:The stainless steel pipestandardASTM,GBmaterial201,202,301,304,316,316L,316LN, ... pickling and so onProduction technologySeamless steel pipeWelded steel pipeSurface treatmentPolishing or not The stainless steel barstandardASTM,GBmaterial201,202,301,304, ...