carbon seamless steel pipe Size:1/2"-----24" W.T ... API 5L /ASTM A106/A53 GR.B TYPESTANDARDODW.TLENGTHCARBON SEAMLESS STEEL PIPEASTM A106GR.B1/2"∼24"SCH10,SCH30,SCH40 ... STD,XS,XXS6-12MASTM A53GR.BAPI 5L GR.BSTAINLESS SEAMLESS STEEL PIPE304/304L1/2"∼24"SCH10,SCH30,SCH40, ... Application:transportation for gas,water,oil and natural gas,tubes for heat exchanger and chemical fertilizer requipments,for hydraulic ...