casing joint ,pipeSize range from 2 3/8"to 20" Steel grade including:K55,J55,L80,N80,C90,T95andP110 casing joint ,fitting,pipe fitting,steel pipe fittings,carbon steel pipe fitting,tubing and casing couplingSize range from 2 3/8"to 20"Steel grade including:K55,J55,L80,N80,C90,T95andP110Thread types:NU,EU,STC,LTCand BTCNoModel OD of pipe number of threadmodel of coupling unit:mmClose distance ...