... , X52, St37, St44, St52,StandardASTM Standard:ASTM A53, ASTM A106, API 5L, ASTM A179, ASTM A210, ASTM A333, ASTM A334BS Standard:BS 6323-1, BS EN10297 ... 2391, DIN 17175UsageUsed For Structure, Accessorize And ConstructionEnds1)Plain ,2)Beveled3)ThreadEnd protector1) Plastic pipe cap2)Iron protectorSurface Treatment1) Bared2) Black Painted ...