Standards and Grades: ASTM A106 Grade A/B, A53 Gr A& B, St37, 10#, 20#, 45#, etc. O.D.12-1020mm, W.T. 2-60mm. 1.Specification:O.D.76-720mm; W.T. 2.5~16mm;Length:6~12m or as per customized size;Bevelled/plain end ,varnished and with end protector upon clients' confirmation.2.Standard:EN,DIN,APISPEC5L,API5CT,ASTMA53/A106,JIS,BS1387,etc.3.Steel Grade: Q235B,Q345B,API5L Grade B,X42~X80,16Mn,20#ST37~ ...
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