... 2.WT:1000-4200mm 3.Surface treatment:Bare, galvanized coated or as customer's requirements. About us: ... of steel pipes and steel coils with well-equipped testing equipment and strong technical force. With a wide range, good quality, reasonable ... ,SUS410,SUS430, SUS630,SUS901L,SUS904L ASTM201, ASTM 202, ASTM 301, ASTM 302, ASTM 303, ASTM 304, ASTM 304L, ASTM310S, ASTM309S,ASTM316,ASTM316L, ASTM316Ti ...