Forged Forging Sleeves | China Leading Custom Manufacturer & Global Supplier

About Our Forged Forging Sleeves

Established in 1997, Jiangsu Liangyi is a professional ISO 9001:2015 certified China manufacturer and global supplier of high-performance Forged Forging Sleeves, with over 25 years of experience in open die forging and seamless rolled ring production. Our factory covers an area of 80,000㎡ and has an annual manufacturing capacity of 120,000 tons. We have delivered custom forged sleeves to customers in more than 50 countries across Europe, North America, the Middle East, Australia, and Southeast Asia.

We specialize in one-stop custom production of seamless forged sleeves from raw steel melting, open die forging, precision heat treatment, CNC machining to full-process quality inspection, fully manufactured in accordance with international standards including ASTM, AISI, DIN, EN, JIS, API 6A, and PED 2014/68/EU. We produce forged sleeves in full range of materials, including carbon steel, alloy steel, stainless steel, duplex and super duplex steel, nickel super alloys, tool and die steel, titanium alloy, aluminum alloy, and copper alloy.

Unlike welded sleeves, our forging sleeves have a seamless integral matrix, which eliminates weld defects, improves overall structural strength, pressure resistance and corrosion resistance. and these forging parts always last 3 to 5 times longer than welded products. So they are the best choice material for critical heavy-duty, high-pressure, high-temperature, and corrosion-resistant industrial applications. Explore our full range of forged products to find the perfect solution for your project.

Our Core Competitive Advantages for Forged Sleeves

Manufacturing Capabilities & Production Equipment

As a top China forged sleeves manufacturer, we have invested heavily in advanced forging, machining, heat treatment and inspection equipment to make sure every piece of forged forging sleeves has the highest quality and production efficiency .

Forging & Machining Equipment

• 2000 Tons / 4000 Tons / 6000 Tons Hydraulic Forging Presses for open die forging of heavy-duty forged sleeves
• 0.75Ton - 9Ton Electro Hydraulic Forging Hammers for precision forging of small and medium-sized forging sleeves
• 1M & 5M Seamless Rolling Machines for seamless hollow forging sleeves with consistent wall thickness
• CNC lathes, milling machines, boring machines and grinding machines for fine machining, with dimensional tolerance control up to ±0.05mm

Heat Treatment Capabilities

• more than 10 professional heat treatment furnaces with precise temperature control (±5℃)
• Full range of heat treatment services include annealing, normalizing & tempering, quenching (polymer, oil, water) and tempering, solution treatment, stress relieving, aging heat treatment
• Custom heat treatment process design based on material grades and application requirements, to improve mechanical properties and corrosion resistance

Quality Inspection Equipment

• Full set of nondestructive testing (NDT) equipment: Level III ultrasonic testing (UT), penetrant testing (PT), magnetic particle testing (MT), radiographic testing (RT)
• Chemical composition analysis equipment: direct reading spectrometer, carbon sulfur analyzer, to make sure all parts meet material grade standards.
• Mechanical property testing equipment: universal tensile testing machine, impact testing machine, hardness tester
• Metallographic analysis equipment, precision coordinate measuring machine (CMM), surface roughness tester

Explore our full production and inspection equipment list on our Equipment page.

Industrial Applications & Global Project Cases of Forged Forging Sleeves

Our custom forged sleeves are used in the most important industrial conditions around the world, with proven project cases in more than 50 countries. We provide targeted solutions based on different industry standards and working condition requirements:

Oil & Gas Industry (Onshore & Offshore)

Target Markets: Middle East (Saudi Arabia, UAE), North America (USA, Canada), Russia, Southeast Asia

Project Case: We supplied corrosion-resistant forged sleeves manufactured to API 6A specifications for a large offshore oil and gas platform project in the Middle East. The customer needed products that could work well in harsh downhole environments with high H2S, CO2, and chloride ion corrosion. We chose Inconel 625 and 2205 duplex stainless steel and provided a custom solution treatment process according to customer requirement. All of the products passed NDT testing and a third-party inspection by BV.For three years, they have been working perfectly. We also use our forged sleeves in tubing heads, wellhead equipment, casing hangers, fracturing equipment, choke valves, and subsea production systems.

Reference Standards: API 6A, NACE MR0175, ASTM A694, NORSOK specifications

Power Generation Industry (Thermal, Hydro, Nuclear, Wind)

Target Markets: Asia, Europe, North America

Project Case: We made forged sleeves out of high-temperature and high-pressure alloy steel for several 660MW thermal power plants in Asia. These sleeves were used in gas turbine and steam turbine rotor systems. They were made of ASTM A182 F91 and F22 heat-resistant alloy steel. They could be up to 8 meters long and 2200 mm in outer diameter. We put in place a full-process quality control system that had strict rules about the forging ratio, grain size, and mechanical properties.TUV conducted EN 10204 3.2 third-party inspection on all products. These parts are also used in wind power gearboxes, nuclear power equipment, generator retaining rings, and hydro turbine units.

Reference Standards: ASTM A182, EN 10222, ASME specifications

Marine & Shipbuilding Industry

Target Markets: Europe, Southeast Asia, Middle East, South Korea

Project Case: We provided high-strength marine forged sleeves for an international shipbuilding company in Germany. These products were used for the propeller shaft system and rudder stock assembly of large container ships. The products were made of 42CrMo4 alloy steel and Monel 400 corrosion-resistant alloy, with a maximum length of 10 meters, and they were manufactured to DNV GL shipbuilding specifications. All of the products passed strict seawater corrosion resistance testing and fatigue performance testing, and have been used for more than 20 ships that travel in the ocean. they are also used for marine hydraulic systems, deck machinery, and offshore engineering equipment.

Reference Standards: DNV GL, ABS, LR, BV marine specifications

Aerospace Industry

Target Markets: Europe, North America

Project Case: We provide forged sleeves for a European aerospace company, and they were used in aircraft engine parts and landing gear systems. The products were made of Nimonic 80A, Inconel 718 high-temperature alloy and Ti-6Al-4V titanium alloy. They met the requirements for ultra-high precision machining, with strict control over the structure of the metal and the amount of impurities.And they all met AMS aerospace standards. We applied a 100% full inspection system for each production process, making sure zero defects for aerospace-grade applications.

Reference Standards: AMS, ASTM B381, EN aerospace specifications

Mining & Heavy Machinery Industry

Target Markets: Australia, South America, Africa, Russia

Project Case: We produced heavy-duty wear-resistant forged sleeves for a large mining project in Australia, and these products were used in crushing equipment and hydraulic press systems. The customer needed products with high impact toughness and wear resistance to withstand harsh mining working conditions. We chose AISI 4140 and H13 hot work tool steel and provided a custom quenching and tempering process according to customer requirement. The final product's lifetime was 30% higher than that of their original cast products, which helped the customer greatly reduce equipment maintenance costs and downtime.

Reference Standards: ASTM A29, EN 10083, AS specifications

Hydraulic, Pump & Valve Industry

We also use our seamless forged sleeves in high-pressure hydraulic cylinders, multi-stage pump bodies, valve bodies, food processing equipment, chemical machinery, and making special machines. We offer custom solutions for applications that need to be high-pressure, corrosion-resistant, and wear-resistant, with control over the roughness of the inner wall and the accuracy of the dimensions.

View more of our global project references on our Reference page, and explore our full product range on our Products page.

Full-Process Quality Control & Certification

For every piece of forged forging sleeves we produce, we implement a full-process traceable quality control system, from raw material incoming inspection to final product delivery, making sure all products meet clients requirements and international standards:

Raw Material Inspection

 All of our raw materials are sourced from qualified large-scale steel mills, with incoming inspection including chemical composition analysis, metallographic distribution inspection, and surface defect inspection. We reject all unqualified raw materials to make sure the final products have high quality right from the source.

Forging Process Control

We strictly control forging temperature, forging ratio and deformation process, with a minimum forging ratio of 3:1. This makes sure our products have consistent and dense internal matrix, eliminates internal porosity and shrinkage defects ,and improves overall mechanical properties.

Heat Treatment Process Control

Our professional heat treatment engineers design a custom heat treatment process for each material and application, with precise control of heating temperature, holding time, and cooling rate, to make sure that the product has the improved mechanical properties (tensile strength, yield strength, elongation, impact toughness, hardness).

Final Product Comprehensive Inspection

We perform 100% full inspection on every finished forged sleeve, including:

• Chemical composition re-inspection
• Full mechanical property testing
• Nondestructive testing (UT, PT, MT, RT as required)
• Full dimension test
• Surface roughness testing
• Metallographic grain size inspection

Certification & Traceability

Each batch comes with an official EN 10204 3.1 Mill Test Certificate (MTC) and a unique product identification code for full life cycle traceability. We also support EN 10204 3.2 third-party inspection certificates issued by authoritative institutions including BV, TUV, DNV, GL, ABS, LR, etc. Our factory is ISO 9001:2015 certified, and we implement a full process control system for all products.

Available Material Grades for Forged Forging Sleeves

We can produce forged forging sleeves in nearly all commercial forging steel grades, which fully meet ASTM, AISI, DIN, EN, JIS, API standards. We also support custom material grades according to clients technical requirements. View the full material list on our Materials page.

Custom Forged Sleeves Order Process & Global Service

We provide one-stop custom service for customers around the world, from technical consultation to final delivery. Our professional team will follow up the whole process, making sure all orders are completed on time with high quality.

1. Inquiry & Technical Communication: Send us your custom drawings, material requirements, quantity, technical specifications and application scenarios, our sales and technical team will reply to you within 24 hours.
2. Quotation & Solution Design: We will provide clients with a detailed quotation and professional technical solution, including material selection, production process, delivery time and certification options.
3. Order Confirmation & Contract Signing: After checking the details, we will sign a formal sales contract with you, and arrange production after receiving your payment.
4. Production & Process Update:  We will start making the products right away and keep our clients updated on the status of their orders so that you can see how things are going in real time.
5. Inspection & Delivery: We will do a full inspection and give you inspection reports and certification documents for all delivery of products . We will arrange for delivery based on the trade terms, such as EXW, FOB, CIF, DDP, and so on.
6. After-Sales Support: After you receive the goods, we will follow up on usage,provide technical support, and solve any problems you encounter in a timely manner.

Global Delivery & Service Advantages

• Low MOQ: Support 1 piece orders for trial.
• Flexible Lead Time: 7-15 days for small-batch orders, 30-45 days for mass production orders, urgent orders are still ok for us.
• Global Logistics: We keep long-term cooperation with international logistics companies, offering sea, air, railway and express delivery options, as well as door-to-door DDP service to most countries
• Multilingual Support: Our sales team provides professional service in English, Spanish, German, French and other languages
• 24/7 Online Support: We provide 24-hour online service, you can contact us via email, WhatsApp, phone at any time

Frequently Asked Questions (FAQ) About Forged Forging Sleeves

Contact Us for Custom Forged Forging Sleeves Quotation

Jiangsu Liangyi is your trusted China forged forging sleeves manufacturer and supplier, and we dedicate to providing high-quality custom forging solutions for customers around the world. Whether you need small-batch forged sleeves or large-scale mass production of heavy-duty forging sleeves, we can provide you with the most professional solution and competitive price.

Welcome to send us your custom drawings, material requirements, quantity and technical specifications, and we will provide you with a detailed quotation and free technical suggestion within 24 hours.