Pipe fittings, include elbow , flange ,Tee,reducer, couplings, caps,and so on, ASTM A234 standardsDIN2527,DIN2566,DIN2576,DIN2641,DIN2642, ... /42/46/52/60/65,15CrMo,12Cr1MoV.place of originchinatypeELBOW, FITTINGS Welding neck flanges,slip on flanges,threaded flanges,socket welding ... or by mutual consultationSupply ability20000T per monthpackageAs requirmentDelivery timeAs requirment PIPE FITTINGS