Jiangsu Liangyi Co.,Limited is one professonal special alloy material supplier from China, Since establised in 1997, our products has been exported to many countries, such as American, European countries, Asian countries, and so on. Our products are widely used in petroleum and chemical industry, power generation, shipbuilding, heavy machinery, Oil&Gas applications: Christmas trees, wellhead components, spools, valves, BOP′s, riser applications, nozzles, pressure vessel, Y-blocks. and so on. We own one workshop of more than 8000 square meters, with a vacuum melting, electroslag remelting, forging,Casting,heat treatment, machining, quality inspecting machines and a full-line of production system. Our company mainly produces materials in: carbon&alloy steel, Tool&Die Steel,Stainless steel, Duplex Stainless Steel, Nickel alloy, Super Alloy,Cobalt Based alloy,Heat Resistant steel,Invar alloy ,low Expansion Alloy,Soft Magnetic Alloy and so on We could produce these material in Forging parts,Forged Rings,Rolled Rings,Bars,flanges, Casting Parts,Pipe Fittings,seamless pipe,Weled Pipes,Plates,Sheets,Strips,Coils Wires,spring ,Fasteners,Machining Parts, and so on Following is the steel grade that we could do Alloy and carbon steel grades: A182-F1,A182-F2,A182-F9,A182-F11,A182-F12,A182-F21,A182-F22,A182-F36,A182-F91,A182-F92, A694-F42,A694-F46,A694-F48,A694-F50,A694-F60,A694-F70, SA-350 LF1,SA-350 LF2,SA-350 LF3,SA-350 LF5,SA-350 LF6, AISI 1045,AISI 4140,AISI 4130,AISI 4340, AISI 4317,AISI 4130, AISI 8620,AISI 9840,AISI 4145H,AISI 4145H,AISI 4145H Mod,AISI 4330V,AISI 4330V Mod.AISI 4150,AISI 1020,42CrMo4,25CrMo4,34CrNiMo6,17CrNiMo6-4 20NiCrMo22,34CrMo4,30CrNiMo8,36CrNiMo4,16CrNiMo12,40NiCrMo7,41CrALMo7,30NiCrMo12, 12CrMo9-10,18CrMos4,18CrNiMo7-6,17CrNiMo6,16MnCr5,St52-3,S355j2g3,50CrMo4,39NiCrMo3,,20NiCrMo2-2 Stainless Steel Grades A182-F6a,A182-F6b,A182-F304,A182-F304L,A182-F310,A182-F316,A182-F316L,A182-F317,A182-F317L,A182-F347,AISI 309,AISI 310s,AISI 316Lmod,A182-F48,A182-F321,A182-F347,A182-F348,Nitronic 50,Nitronic 40,Nitronic 60,Nitronic 30,Xm-11,Xm-10,UNS S21800,Alloy 20, 904L,PH13-8Mo,17-4ph,15-5ph,17-7ph,Ph15-7 Mo,254Smo, Al-6Xn,654SMO, A182-F44,A182-F45,A182-F51,A182-F53,A182-F60,A182-F55,A182-F62,A182-F52