Our Main Forged Products

Explore our forged product categories. Each product page includes manufacturing capability, available dimensions, material options and application details for your project evaluation.

Forged Forging Bars manufactured by Jiangsu Liangyi

Forged Forging Bars

ISO 9001:2015 Certified | 25+ Years Manufacturing Experience

Professional forged bar solutions including round bars, flat bars, square bars, rectangular bars and hollow bars for demanding industrial applications.

  • Max forging diameter up to 2 meters
  • Max single-piece weight up to 30 tons
  • Available in alloy steel, carbon steel, nickel alloy and stainless steel
  • MTC 3.1 / 3.2 certification available
Seamless Rolled Forged Steel Rings manufactured by Jiangsu Liangyi

Seamless Rolled Forged Steel Rings

Custom forged rings up to 6m diameter and 30 tons

Custom seamless rolled forged steel rings and open die forged rings designed for oil & gas, power generation, marine, petrochemical and mining sectors.

  • Large-size ring capacity up to 6 meters in diameter
  • Heavy-duty forged ring weight up to 30 tons
  • EN10204 3.1 / 3.2 certification available
  • Suitable for critical rotating and pressure applications
Forged Steel Shafts manufactured by Jiangsu Liangyi

Forged Steel Shafts

Custom forged shafts manufactured by Jiangsu Liangyi, China

Custom forged steel shafts manufactured to international standards and customer drawings, ideal for heavy machinery, transmission systems and power equipment.

  • Max diameter up to 1800 mm
  • Max length up to 15 meters
  • Max weight up to 30 tons
  • 100% UT testing and MTC 3.1 / 3.2 available
Seamless Hollow Forged Forgings manufactured by Jiangsu Liangyi

Seamless Hollow Forged Forgings

Custom hollow bars, sleeves and heavy wall cylinders up to 3000 mm OD

Jiangsu Liangyi manufactures seamless hollow forged forgings in carbon steel, alloy steel, stainless steel, nickel alloy, titanium and tool steel for demanding industrial applications.

  • Custom hollow bars, sleeves, pipes, tubes and bushings
  • Outer diameter capacity up to 3000 mm
  • Available in carbon steel, alloy steel, stainless steel and titanium
  • Suitable for heavy wall cylinders and hollow section forgings
Forged Steel Wheels manufactured by Jiangsu Liangyi

Forged Steel Wheels

Custom crane, railway and transfer cart wheels up to 2 meters

Custom forged steel wheels made for overhead cranes, gantry cranes, rail transfer carts, mining vehicles and sheave systems with heat treatment and CNC machining.

  • Wheel diameter up to 2 meters
  • Single-piece weight up to 15 tons
  • Heat treatment, CNC machining and NDT available
  • Suitable for crane, railway and industrial wheel systems
Forged Steel Crankshafts manufactured by Jiangsu Liangyi

Forged Steel Crankshafts

Custom forged crankshafts and eccentric shafts up to 30,000 kg

Custom forged steel crankshafts and forged eccentric shafts for oil & gas, marine, mining, compressor and heavy rotating equipment applications.

  • Single-piece weight from 30 kg to 30,000 kg
  • Maximum length up to 15 meters
  • In-house forging, heat treatment, machining and NDT
  • EN10204 3.1 / 3.2 and third-party inspection support
Forging Steel WYE Pieces and Piggable Wyes manufactured by Jiangsu Liangyi

Forging Steel WYE Pieces & Piggable Wyes

API 6D / ASTM / ASME / DNV / NACE Ready

Custom forged steel WYE pieces and piggable wyes for subsea oil & gas tie-ins, onshore transmission pipelines and critical petrochemical flow combiner systems.

  • 15° branch angle per leg, 30° included angle
  • Available in carbon steel, alloy steel and stainless steel
  • API 6D, ASME B16.11, ASTM A105 / A182 compliant
  • NACE MR0175 sour service versions available
Forging Steel Tubing Hangers and Casing Hangers manufactured by Jiangsu Liangyi

Forging Steel Tubing Hangers & Casing Hangers

API 6A / API 8A / API 8C PSL1–PSL4 Certified

Custom forged steel tubing hangers and casing hangers for wellhead and Christmas tree assemblies, manufactured to API 6A PSL1–PSL4 standards for onshore and offshore oil & gas wells.

  • Rated working pressure up to 15,000 psi
  • Temperature classes from K (−60 °C) to U (180 °C)
  • Available in 4130, 4140, F22, F316 and duplex stainless
  • Full PSL4 traceability and third-party inspection available
Forged Steel Valve Stems manufactured by Jiangsu Liangyi

Forged Steel Valve Stems

Custom forged valve stems for gate, globe, ball and check valves

Custom open die forged steel valve stems manufactured to ASME, API and customer drawings for gate valves, globe valves, ball valves and check valves in high-pressure and high-temperature service.

  • Available in carbon steel, alloy steel, stainless and duplex grades
  • Hardness and surface finish per customer specification
  • NACE MR0175 sour service and cryogenic grades available
  • MTC EN10204 3.1 / 3.2 certification available
Forged Steel Valve Seat Rings manufactured by Jiangsu Liangyi

Forged Steel Valve Seat Rings

Custom forged seat rings for gate, globe and check valves

Custom open die forged steel valve seat rings for gate, globe and check valve assemblies, manufactured in a wide range of alloy, stainless and nickel-alloy grades to withstand high-pressure, high-temperature and corrosive service.

  • Available in F304, F316, F91, Inconel and duplex grades
  • Machined seating surfaces to Ra 0.8 µm or better
  • Hardfacing with Stellite 6 / 21 available on request
  • EN10204 3.1 / 3.2 and PMI testing available
Forged Steel Valve Balls manufactured by Jiangsu Liangyi

Forged Steel Valve Balls

Custom trunnion and floating ball valve balls up to 60 inches

Custom forged steel balls for trunnion mounted and floating ball valves used in oil & gas pipelines, LNG terminals, petrochemical plants and power generation systems.

  • Diameter range from DN15 (½") up to DN1500 (60")
  • Available in A105, F304, F316, F51 duplex and F44
  • ENP coating, chrome plating and Stellite overlay available
  • Roundness and surface finish inspected per API 6D / API 608
Forged Steel Tube Sheets manufactured by Jiangsu Liangyi

Forged Steel Tube Sheets

Custom forged tube sheets up to 4 meters diameter for heat exchangers

Custom open die forged steel tube sheets and heat exchanger tube sheets manufactured in carbon steel, alloy steel, stainless steel, duplex and nickel alloy grades for ASME Section VIII pressure vessel applications.

  • Outside diameter capacity up to 4000 mm
  • Thickness up to 500 mm, weight up to 25 tons
  • ASME SA-266, SA-182, SA-516 and equivalent grades
  • UT per ASTM A388 / SA-577, MTC 3.1 / 3.2 available
Forged Steel TBM Cutter and Cutting Rings manufactured by Jiangsu Liangyi

Forged Steel TBM Cutter & Cutting Rings

Custom forged disc cutters and cutting rings for tunnel boring machines

Custom forged steel TBM disc cutters and cutting rings for hard-rock tunnel boring machines used in metro, railway, water conveyance and subsea tunnel projects worldwide.

  • Standard 17" and 19" disc cutter bodies available
  • High-alloy tool steel grades H13, D2 and custom specs
  • Hardness HRC 56–62 on cutting ring contact surfaces
  • 100% UT and magnetic particle inspection per customer spec
Forged Steel Gas and Steam Turbine Rotor Shafts manufactured by Jiangsu Liangyi

Forged Steel Gas & Steam Turbine Rotor Shafts

Custom forged turbine rotor shafts for power generation applications

Custom open die forged steel gas turbine and steam turbine rotor shafts manufactured to ASTM, EN and customer standards for power generation, combined-cycle and industrial gas turbine applications.

  • Max diameter up to 2000 mm, length up to 15 meters
  • Available in 26NiCrMoV14-5, 30CrMoNiV5-11 and equivalent grades
  • High-speed dynamic balancing and 100% UT inspection
  • EN10204 3.2 and third-party witness inspection available
Forged Steel Discs manufactured by Jiangsu Liangyi

Forged Steel Discs

Custom forged steel discs and flanged blanks up to 3 meters diameter

Custom open die forged steel discs, blanks and flanged discs manufactured in carbon steel, alloy steel, stainless steel and nickel alloy grades for pressure vessels, turbines, valves and heavy industrial equipment.

  • Outside diameter capacity up to 3000 mm
  • Single-piece weight up to 20 tons
  • Available in ASTM A105, A182, A266 and custom alloy grades
  • UT, MT, PT inspection and MTC 3.1 / 3.2 available
Forging Pump Fluid Ends manufactured by Jiangsu Liangyi

Forging Pump Fluid Ends

High-pressure forged fluid ends for frac, mud and cementing pumps

Custom forged pump fluid ends for reciprocating positive displacement pumps used in oil & gas drilling, hydraulic fracturing, well cementing and geothermal drilling operations.

  • Working pressure range from 5000 to 10000+ PSI
  • 4330V MOD, 15-5 PH, 17-4 PH, F6NM and F51 grades available
  • ISO 9001:2015 manufacturing with ASTM, API and EN compliance
  • OEM fit-size interchangeability for major pump brands
Forged Gas and Steam Turbine Blade Steel Flat Rectangular Bars manufactured by Jiangsu Liangyi

Forged Gas & Steam Turbine Blade Steel Flat Rectangular Bars

Custom blade blanks for 20MW–1800MW turbine systems

Custom forged steel flat rectangular bars and blade blanks for gas turbines, steam turbines and compressor blade applications in thermal and combined-cycle power generation systems.

  • Thickness and height from 10 mm to 800 mm, length up to 8 meters
  • Single-piece weight up to 30 tons
  • Martensitic stainless, PH stainless, heat-resistant steel and nickel alloys available
  • EN 10204 3.1 / 3.2 and third-party inspection support available
Forged Steel Valve Closures manufactured by Jiangsu Liangyi

Forged Steel Valve Closures

Custom forged closures for ball, globe, check and gate valves

Custom forged steel valve closures manufactured in carbon steel, alloy steel, stainless steel, duplex and nickel-based alloys for high-pressure, high-temperature and corrosive service.

  • A105, LF2, F11/F22/F91, stainless, duplex and nickel alloy grades available
  • Designed for oil & gas, power generation, marine and petrochemical applications
  • API 6A, ASTM, ASME B16.34 and NACE MR0175 / ISO 15156 compliant
  • UT, MT, PT inspection with full lot traceability and EN 10204 3.1 / 3.2 support
Forged Venturi Cone Meter Body Blocks manufactured by Jiangsu Liangyi

Forged Venturi Cone Meter Body Blocks

High-precision forged body blocks for critical flow metering systems

High-precision custom forged venturi cone meter body blocks for oil & gas, refineries, petrochemical plants, power generation, water treatment and offshore systems.

  • Single-piece weight from 30 kg to 30,000 kg with max outer diameter up to 2000 mm
  • Available in carbon steel, stainless, duplex, Inconel, Hastelloy and Monel grades
  • Manufactured to ISO 5167, ASME MFC-3M, ASTM, ASME and API 6A related standards
  • One-stop forging, heat treatment, machining and NDT documentation support
Forged Steel Gate Valve Wedge Discs manufactured by Jiangsu Liangyi

Forged Steel Gate Valve Wedge Discs

OEM forged sealing components for critical gate valve service

Custom forged steel gate valve wedge discs for high-pressure, high-temperature, corrosive, cryogenic and abrasive applications across oil & gas, LNG and power industries.

  • No MOQ limitation and sample orders from 1 piece accepted
  • Carbon steel, alloy steel, stainless, duplex, PH steel and nickel alloys available
  • ASTM, DIN, EN, API 6A, ASME, JIS, NORSOK and PED related compliance support
  • EN 10204 3.1 / 3.2 documentation and third-party inspection available
Forging Steel Blowout Preventer BOP Body manufactured by Jiangsu Liangyi

Forging Steel Blowout Preventer BOP Body

API 16A forged BOP bodies for demanding well control systems

Custom forged steel blowout preventer BOP bodies for onshore drilling, offshore drilling, workover stacks, HPHT wells, deepwater projects and sour gas fields.

  • Suitable for onshore, offshore, HPHT, deepwater and sour service well control projects
  • 4130, 4140, 4340, 4330V MOD, 17-4PH, F51, Inconel 625 and 718 grades available
  • Manufactured to API Spec 16A with NACE MR0175 / ISO 15156-1 material options
  • Minimum 3:1 forging ratio with single-piece capacity up to 30 tons
Forging Steel Valve Body manufactured by Jiangsu Liangyi

Forging Steel Valve Body

Custom forged valve bodies for high-pressure and corrosive service

Custom forged steel valve bodies for high-pressure, high-temperature, corrosive and low-temperature service, supported by an integrated open die forging, heat treatment, CNC machining and inspection chain.

  • Single-piece custom weight range from 30 kg to 30,000 kg
  • Suitable for oil & gas, wellhead, pipeline, offshore, power and petrochemical applications
  • API 6A, API 6D, ASME B16.34, PED and NACE MR0175 / ISO 15156 compliant options
  • Integrated steel melting, forging, heat treatment, machining and final inspection service
Custom Forging Parts manufactured by Jiangsu Liangyi

Custom Forging Parts

Open die forgings, shafts and rings for global industrial projects

Jiangsu Liangyi manufactures custom open die forging parts, seamless rolled rings and forged steel components with full-cycle production from steel melting to precision machining.

  • Shaft forgings up to 15 m length, 1800 mm diameter and 30 tons
  • Seamless rolled rings up to 6 m outer diameter and 30 tons
  • 6000-ton forging press with annual production capacity of 120,000 tons
  • ASTM, DIN, API, PED and EN 10204 3.1 / 3.2 compliance support
API 6A Forging Steel Casing Spools manufactured by Jiangsu Liangyi

API 6A Forging Steel Casing Spools

Wellhead adapter, drill, tubing, spacer and riser spool solutions

API 6A forged steel casing spools are pressure-containing wellhead components used to suspend casing strings, control annulus pressure and connect Christmas tree equipment for oil and gas projects.

  • ISO 9001:2015 certified manufacturing
  • API 6A 20th Edition compliant for wellhead systems
  • NACE MR0175 / ISO 15156 options for sour service
  • EN 10204 3.1 certification available
Custom Forged Forging Sleeves manufactured by Jiangsu Liangyi

Custom Forged Forging Sleeves

Seamless forged sleeves for high-pressure and heavy-duty service

Jiangsu Liangyi supplies seamless forged sleeves for oil & gas, power generation, marine, mining and other critical industrial applications with integrated forging and CNC machining.

  • Outer diameter up to 3000 mm, length up to 10 m and weight up to 30 tons
  • ISO 9001:2015 with EN 10204 3.1 / 3.2 certification support
  • Manufactured to ASTM, AISI, DIN, EN, JIS, API 6A and PED standards
  • In-house CNC machining tolerance control up to 0.05 mm
Custom Forged Forging Cylinder manufactured by Jiangsu Liangyi

Custom Forged Forging Cylinder

Heavy-duty forged steel cylinders for harsh industrial environments

High-performance forged cylinders in carbon, alloy and stainless steel grades are manufactured for oil & gas, power generation, hydraulic and mining applications.

  • Guaranteed forging ratio of 4:1 or higher
  • Maximum outer diameter 3000 mm, length 8000 mm and weight 30 tons
  • ISO 9001:2015 with API 6A, NACE MR0175, ASME and PED compliance
  • Full in-house steel melting, forging, heat treatment and CNC machining
Custom Forged Francis Hydro Turbine Guide Vane Wicket Gates manufactured by Jiangsu Liangyi

Forged Francis Hydro Turbine Guide Vane Wicket Gates

Critical flow-control forgings for Francis hydro power turbines

Custom forged guide vane wicket gates are engineered for Francis turbines to deliver strong cavitation, erosion and fatigue resistance in hydropower service.

  • Minimum 3:1 forging ratio with 30% higher mechanical properties
  • 100% UT per EN 10228 with defect-free forged structure
  • Suitable for harsh hydropower environments including -40 °C projects
  • NACE MR0175 / ISO 15156 and EN 10204 compliance support
Forged Steel Pipes and Tubes manufactured by Jiangsu Liangyi

Forged Steel Pipes & Tubes

Heavy-duty tubular forgings for critical piping systems

Forged steel pipes and tubes are heavy-duty tubular forgings designed for demanding oil & gas, petrochemical, power, marine and mining environments.

  • ISO 9001:2015 certified production
  • 25+ years of forging experience
  • Maximum single-piece weight up to 30 tons
  • EN 10204 3.1 / 3.2 MTC available
Forged Steel Valve Bonnets manufactured by Jiangsu Liangyi

Forged Steel Valve Bonnets

Forged bonnet components for gate, globe, check and ball valves

Forged steel valve bonnets are high-integrity components for high-pressure, high-temperature, marine, petrochemical and power-generation service.

  • ISO 9001:2015 manufacturer with 80,000 m² base and 120,000-ton annual capacity
  • Forging ratio minimum 3:1 and up to 6:1 for critical service
  • ASTM, API 6A, PED 2014/68/EU and NACE MR0175 compliant options
  • Single-piece forged bonnet capacity from 30 kg to 30,000 kg
Forged Rolled Steel Gas and Steam Turbine Rings manufactured by Jiangsu Liangyi

Forged Rolled Steel Gas & Steam Turbine Rings

Large seamless turbine rings for critical power generation service

Custom seamless rolled turbine rings are produced for gas and steam turbines in thermal power, combined-cycle, hydropower and industrial turbine systems.

  • 30T EAF steel melting, forging, heat treatment and CNC machining in-house
  • 6300T forging press, 5M ring rolling machine and 10+ heat treatment furnaces
  • 100% NDT with EN 10204 3.1 standard and 3.2 available on request
  • ASME, ASTM, DIN, EN, PED, API 6A, JIS and NACE MR0175 compliance support
Forged Steel Back Up Rolls for Hot and Cold Rolling Mills manufactured by Jiangsu Liangyi

Forged Steel Back Up Rolls

Back up rolls for hot strip, cold rolling, Steckel and plate mills

Forged steel back up rolls are engineered for rolling mills where rigidity, fatigue resistance and wear stability directly affect uptime and strip quality.

  • Size capability up to 2000 mm diameter, 15 m length and 30 tons
  • ISO 9001:2015 with EN 10204 3.1 / 3.2 MTC documentation
  • 120,000 tons annual manufacturing capacity and exports to 50+ countries
  • Minimum 6:1 forging ratio for compact fine-grain structure
Forged Steel Hydro Turbine Shafts manufactured by Jiangsu Liangyi

Forged Steel Hydro Turbine Shafts

Main, runner and hollow shafts for hydropower units

Forged steel hydro turbine shafts are critical rotating components that transmit torque between the turbine runner and generator in hydropower applications.

  • Maximum forging diameter up to 2.5 m, length up to 15 m and weight up to 40 tons
  • Guaranteed 3:1 forging ratio with capabilities up to 6:1
  • Manufactured under ISO 9001:2015 and ASTM A668 / A668M related standards
  • Full volumetric UT per ASTM A388 / EN 10228-3 with MPI inspection
API 6A Forging Frac Head and Wellhead Goat Head for Oil & Gas Christmas Tree manufactured by Jiangsu Liangyi

Forging Frac Head | API 6A Fracturing Head & Wellhead Goat Heads

High-pressure forged flow control components for wellhead Christmas tree assemblies

API 6A compliant forging frac heads and wellhead goat heads engineered for extreme high-pressure, corrosive, and cyclic loading conditions of hydraulic fracturing operations, supplied to 50+ countries.

  • Rated 10,000–20,000 psi, fully compliant with API Spec 6A PSL1–PSL4
  • Minimum 3:1 forging ratio delivering 30–40% superior mechanical performance vs cast
  • NACE MR0175 / ISO 15156 compliant sour service and offshore grades available
  • EN 10204 3.1/3.2 MTC with complete heat-number traceability; 25–30 day lead time
Forged Slab Caster Rolls and CCM Rollers for Continuous Casting Machine manufactured by Jiangsu Liangyi

Slab Caster Rolls & Forged CCM Rollers

High-performance forged continuous casting machine rolls for global steel mills

Forged slab caster rolls and CCM rollers covering all zones from mold exit foot rolls to discharge zone leveler rolls, delivering 2–3× longer service life compared to cast alternatives.

  • Maximum Ø2,000 mm diameter, 8 m length and 30 ton single-piece weight
  • VIM+ESR double smelting for superalloy EMS rolls (1.4980, A286, 1.2779)
  • 8 mandatory QC inspections including 100% UT per ASTM A388
  • EN 10204 3.1/3.2 MTC; 120,000 ton annual capacity; exports to 50+ countries
Forged Steel Non-Magnetic Drill Collar manufactured to API Spec 7-1 by Jiangsu Liangyi

Forged Steel Non-Magnetic Drill Collar

API Spec 7-1 compliant NMDCs for precise MWD/LWD directional drilling

Precision forged non-magnetic drill collars maintaining ≤1.005 μr across the full working length, verified by proprietary 5-zone Forster Magnetomat mapping for accurate downhole survey.

  • OD range 2-7/8″ to 14″; grades include P550, P650, 254 SMO, Inconel 925, Ti 3Al-2.5V
  • 5-zone full-length permeability mapping — 15 certified data points per collar
  • NACE MR0175 / NORSOK / GOST / CE compliance support
  • EN 10204 3.1/3.2 MTC; DNV, BV, SGS third-party inspection available
Forging Steel Roller Reamer Body manufactured to API 7-1 Specification by Jiangsu Liangyi

Forging Steel Roller Reamer Body

API 7-1 compliant reamer bodies for wellbore stabilization and borehole gauge maintenance

High-performance forged steel roller reamer bodies for full-range borehole reaming and wellbore gauge maintenance in abrasive, hard formations across 6″ to 28″ hole sizes worldwide.

  • Size range 5-7/8″ to 28″; AISI 4145H Mod and AISI 4330V MOD material grades
  • Three roller types: narrow-teeth, wide-flat-teeth, and tungsten carbide insert (WC-Co)
  • 30–50% higher fatigue strength vs cast; forging ratio ≥3:1; single piece up to 30 tons
  • NACE MR0175 sour service grades; 100% UT/MT/PT inspection per API 7-1
Forging Steel Stabilizer manufactured to API 6A/7K Standards by Jiangsu Liangyi

Forging Steel Stabilizer

API 6A/7K compliant integral blade, spiral, spherical and non-magnetic stabilizer bodies

Complete range of forged steel stabilizers for oil & gas, geothermal, and directional drilling, including integral straight blade, spiral sleeve, spherical, and non-magnetic designs for MWD/LWD applications.

  • Custom OD range 6″ to 36″; maximum single-piece forging weight up to 30 tons
  • AISI 4145H MOD, 4330V MOD, and non-magnetic alloy steel (μr ≤1.01) grades
  • Blade hardfacing options: Stellite 6, WC-Co HVOF, Arnco 100XT, PCD inserts
  • API 6A/7K compliant; DNV-GL, Bureau Veritas, Lloyd's Register TPI available
Custom Heat Exchanger Baffle Plates manufactured by Jiangsu Liangyi, China professional baffle plates manufacturer

Baffle Plates for Heat Exchangers

TEMA / ASME VIII / EN 13445 compliant precision-machined segmental, NTIW, helical and composite baffles

Precision-machined baffle plates for shell-and-tube heat exchangers in petrochemical, oil & gas, power generation and HVAC industries, available in all standard designs up to 4,000 mm OD with CNC hole positioning tolerance ±0.01 mm.

  • Max OD 4,000 mm, max thickness 800 mm; CNC hole positioning tolerance ±0.01 mm
  • Segmental, double segmental, NTIW, helical, orifice and rod baffle types available
  • TEMA / ASME VIII / EN 13445 / API compliant; NACE MR0175 / PED / AD2000 support
  • EN 10204 3.1 MTC; SGS / BV / DNV third-party inspection; 15–25 day lead time
Custom Forged Steel Mechanical Press Intermediate Gear Shafts manufactured by Jiangsu Liangyi, ISO 9001:2015 Certified

Forged Steel Mechanical Press Intermediate Gear Shafts

High-torque, high-fatigue forged transmission shafts for mechanical stamping press drive systems

Custom forged intermediate gear shafts engineered for heavy bending, cyclic torsion and continuous duty in mechanical press drive trains, manufactured from ultra-clean vacuum-degassed alloy steel with full-cycle in-house processing.

  • Diameter 50–1,800 mm; max length 15 m; single-piece weight up to 30,000 kg
  • Gear tooth surface hardness 55–62 HRC (carburized) or 280–320 HBW (Q&T); machining to IT6 grade
  • Forging ratio minimum 3:1; 30% higher fatigue resistance vs cast; 100% UT per ASTM A388
  • ASTM / AISI / DIN / EN / JIS / API compliant; 25+ years forging experience; 50+ countries supplied
Custom Forged Steel Jackup Pinion Shafts for Offshore Jack-up Rigs manufactured by Jiangsu Liangyi

Forged Steel Jackup Pinion Shafts

ABS / DNV / LR / BV certifiable pinion shafts for offshore jack-up rig rack-and-pinion jacking systems

High-performance open die forged steel pinion shafts for offshore jack-up rig lifting systems, engineered to withstand heavy alternating loads, salt spray corrosion and low-temperature impact in extreme offshore service.

  • Max 30 tons / 15 m / 1,800 mm; gear accuracy ISO 1328-1 Grade 5–7 or AGMA Class 10–12
  • ABS, DNV, Lloyd's Register, Bureau Veritas classification certification available upon request
  • 100% UT / MT / PT per ASTM A388 / EN10228; EN 10204 3.1/3.2 traceable MTC
  • OEM-equivalent for NOV LeTourneau, Cameron and Schlumberger jacking systems; 50+ countries served
Custom Forged Dragline Excavators Rail Segment and Shovel Excavator Circular Rails manufactured by Jiangsu Liangyi

Dragline Excavators Rail Segment & Shovel Excavator Circular Rails

Forged mining rail components for walking dragline excavators and electric rope shovels in open-pit mines worldwide

Custom forged arc-shaped rail segments forming complete circular travel rail systems for walking dragline excavators and electric rope shovels, delivering superior wear resistance, impact toughness and fatigue life vs cast alternatives.

  • Tensile strength 900–1,100 MPa; grades 42CrMo4, 4340, 34CrNiMo6, H13 per application
  • Full CNC arc geometry machining for precise assembly; tight dimensional tolerances maintained
  • 100% UT / MT / PT NDT; EN 10204 3.1 MTC; SGS / BV / TÜV third-party inspection accepted
  • 24-month warranty; proven in Australian Pilbara and South American copper mines; 50+ countries supplied
Custom Forged Gas and Steam Turbine Disks and Turbine Blisk manufactured by Jiangsu Liangyi, China leading manufacturer

Forged Gas & Steam Turbine Disks | Turbine Blisk

VIM+ESR+VAR triple-melted HP/IP/LP turbine disks and integrally bladed disks for power generation and aerospace

Custom forged gas turbine disks, steam turbine discs and HP turbine blisks in Inconel 718, Waspaloy, X22CrMoV12-1 and other high-temperature alloys, engineered for extreme fatigue resistance, creep performance and long service life.

  • Weight 30 kg to 30,000 kg; max diameter 5,000 mm; blade root slot tolerance ±0.01 mm
  • VIM+ESR+VAR / VIM+VAR / EAF+LF+VD melting routes; ASTM grain size 5–8 for LCF resistance
  • Full volumetric UT per ASTM A388 / EN 10228-3; AMS 2300/2303 inclusion rating
  • ASTM / AMS / DIN / EN / API compliant; EN 10204 3.1/3.2 MTC; BV, SGS, DNV-GL TPI; 25–30 day lead time

Need Custom Forged Components?

Contact Jiangsu Liangyi for custom open die forgings manufactured according to your drawings, standards and mechanical property requirements.

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