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ASTM A270
    Publish time 2021-01-26 09:53    

ASTM A270 / A270M - 10 Standard Specification for Seamless and Welded Austenitic Stainless Steel Sanitary Tubing.

ASTM A270
Size:  O.D: 19.1---203.2mm    W.T: 1.2---3mm.
Material:  AISI304, AISI304L, AISI316, AISI316L.
Standard:  ASTM A270.

Polish: 
Inner and outer fineness of mirror Ra≤0.8μm.
Inner and outer mechanical polished and electrical polish Ra≤0.2μm.
External surface can be gross polished or sub-gross polished.


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