pipe fittings: types: elbows, seamless and welded ,L/R, S/R, 45deg,90deg, elbow size: ... ½ up to 72 From 1/2 to 30 (Seamless Pipe Fittings),Form16 to 72(Seam Pipe Fittings)ScheduleSCH STD, XS, XXS, SCH 10 ... ,GB, SH, HG,QOST,ETC.CE and certification:ISO9001:2000 , API , BV , SGS, LOIYDApplications range: Petroleum, chemical, power, gas, metallurgy, shipbuilding ...