Looping In Circular Box-4 HolesLooping In Circular Box-4 Holes: Outer ... 10#-45#, A53-A369Grade: 20#, A53(A,B), A106(B,C)Thickness: 1 - 48 inchSection Shape: RoundOuter ... SeamlessStandard: ASME, ANSI, ASTMGrade: 20#, Q235Packaging Detail:in bundlesDelivery Detail:20 days -30daysSpecificationsstandard:ASTM ,API5L , DIN ... ASME / DIN / JISASTM B 16.9 /16.11 B 16.28 JIS B 2311/2220 DIN2617/2616/2615Types: ...