standard

ASTM,GB

material

201,202,301,304,316,316L,316LN,317,317L,309,309S,310,310S,430,409

specification

Wall thickness

0.3mm-60mm

Round

6mm-630mm

Square

10*10mm-150*150mm

rectangle

10*20mm-100*200mm

 

 

Surface treatment

Polishing (180#,220#,240#,320#400#,600#), Hairline,aid pickling and so on

Production technology

Seamless steel pipe

Welded steel pipe

Surface treatment

Polishing or not

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