AISI 4140(AISI 4130, 4330V, 4145H MOD)Forged Forging Steel Drill Collar Lifting Subs Drill Pipe LIFT SUBS

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, , riser applications, pressure vessel, 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

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

Nickel alloy and Super ALloy Steel Grades

Nickel 200, Nickel 201,Monel 400,Monel R-405,Monel K-500,Hastelloy C-22,Hastelloy X,Hastelloy C-4,Hastelloy B-2,Hastelloy C-276,Hastelloy C-2000,Hastelloy B, Nimonic 75,Nimonic 90,Nimonic 80A,Nimonic 105,Nimonic 901,Inconel 600,inconel 601,inconel 617, inconel 625,inconel 686,inconel 690,inconel 693,inconel 718, inconel 725,inconel X-750,incoloy 800,incoloy 800H,incoloy 800HT,Incoloy 825,Incoloy 926,Incoloy 890,Incoloy 925,Incoloy 901,Incoloy 945, Incoloy A-286,NI-SPAN-C Alloy 902,MP35N,MP159,Multimet N155,Haynes 230,Haynes 188,Haynes 25, Udimet 500,Rene 41,Waspalloy,Invar 36,Invar 42,Stellite 6B,Kovar alloy,

Tool And Die Steel Grades
AISI 6F7, AISI A2,AISI O1,AISI O2,AISI S7,AISI D6,AISI S1, AISI D2, AISI A6, AISI O7,AISI L2, H13,H11,H12,AISI L6,H21,H10,H10A,H19,314,H19A,P20,P20+Ni, P20+S, S136,718,SKT6,SKD12,SKD1,SKD2,SKS3,SKS41,SKS95,SKD11,DC53,SKS43,SKD61,SKD6,SKT4,SKD5,SKD7,SKD62,NAK80
1.2767,1.2363,1.2510,1.2080,1.2436,1.2542,1.2379,1.2824,1.2550,1.2509,1.2210,1.2344,1.2606,1.2782, 1.2678,1.2889,1.2605,1.2343,1.2714,1.2581,1.2365,1.2779,1.2661,1.2083,1.2311,1.2312,1.2738,1.2316

Follow is the casting steel grade that we could do
ASTM A352
Grade LCA,Grade LCB,Grade LCC,Grade LC1,Grade LC2,Crade LC2-1,Grade LC3,Grade LC4,Grade LC9,Grade CA6NM
ASTM A732
Grade 1A,Grade 2A,Grade 2Q,Grade 3A,Grade 3Q,Grade 4A,Grade 4Q,Grade 5N,Grade 6N,Grade 7Q,Grade 8Q,Grade 9Q,Grade 10Q,Grade 11Q,Grade12Q,Grade 13Q,Grade 14Q,Grade 15A
ASTM A890
ACI CD4MCU,ACI CD4MCUN,ACI CD3MCUN,ACI CE8MN,ACI CD6MN,ACI CD3MN,ACI CE3MN,ACI CD3MWCUN
ASTM 217
WC1, WC4,WC5,WC6, WC9, WC11,C5, C12,C12A(J84090), CA15
ASTM 744
CF8,CF8M,CF8C,CF3,CF3M, CG3M,CG8M, CN7M, CN7MS, CN3MN, CK3MCUN
ASTM A608
Grade HC30,Grade HD50,Grade HE35,Grade HF30,Grade HH30,Grade HH33,Grade HI35,Grade HK30,Grade HK40,Grade HL30,Grade HL40,Grade HT50,Grade HU50,Grade HW50,Grade HX50
ASTM A955
ACI CD4MCUN,ACI CE8MN,ACI CD6MN,ACI CD3MN,ACI CE3MN,ACI CD3MWCUN
ASTM 743
CF8, CG12,CF20, CF8M,CF8C, CF16F, CF16FA, CH10
ASTM 494
CZ100,M35-1,M35-2,M30H,M25S,M30C,N12MV,N7M,N3M,CY40,CW12MW, CW6M,CW2M,CW6MC,CY5SNBIM, CX2MW,e CU5MCUC, CX2M
ASTM A351
CF3,CF3A,CF8,CF8A,CF3M,CF3MA,CF8M,CF3MN,CF8C,CF10,CF10M,CH8,CH10,CH20,CK20,HK30,HK40,HT30,CF10MC,CN7M,CN7M,CN3MN,CD4MCU, CG6MMN,Grade CG8M, CF10SMNN,CT15C,CK3MCUN, CE20N,CG3M,CD3MWCUN