Custom Forged Steel Tube Sheets Manufacturer in China

Key Product Highlights
Custom forged steel tube sheets are generally used for extreme conditions that need high pressure resistance, heavy wall thickness, tight drilling tolerance, strong through-thickness properties, and reliable certification support. Following are summarized information about product scope, manufacturing capability, materials, inspection, and project applications.
- Maximum outer diameter: up to 4000 mm
- Maximum thickness: up to 1200 mm
- Maximum single-piece weight: up to 30,000 kg
- Process coverage: steel melting, open die forging, heat treatment, CNC machining, drilling, NDT and certification
- Material scope: carbon steel, alloy steel, stainless steel, duplex, nickel alloys, titanium, copper nickel and naval brass
- Application sectors: heat exchangers, pressure vessels, oil and gas, power generation, desalination and nuclear power
Established in 1997, Jiangsu Liangyi Co., Limited (also known as JNMT Forged Parts) is a China-based manufacturer with more than 25 years of open die forging experience.Our factory covers 80,000㎡ and has annual capacity of 120,000 tons. We have supplied clients from more than 50 countries. Our main custom forged steel tube sheets include forging tubesheets, drilled tube plates and cladded tube sheets, and they are used for heat exchangers, pressure vessels, boilers, oil and gas equipment, power generation systems, seawater desalination projects, and other extreme working conditions.Our company provides full service from steel melting, open die forging, heat treatment, CNC machining to non-destructive testing,and all of our parts meet ASTM, ASME, DIN, EN, JIS, API, and TEMA.
What Are Forged Steel Tube Sheets and Why Use Open Die Forging?
Forged steel tube sheets are main pressure-bearing and tube-fixing parts of shell and tube heat exchangers, high-pressure boilers, pressure vessels, condensers, evaporators, steam turbines, and large central air conditioning systems. They are used to securely fix heat exchange tubes, isolate different media on both sides, and they can bear extreme working conditions such as high pressure, high temperature, sour service, and strong corrosion. Unlike rolled or cast tube plates, forging tube sheets are made through a professional open die forging process, which make sure they have great advantages for extreme industries.
- Consistent and Refined Metallographic distribution: controlled forging deformation and temperature delete internal defects such as porosity, segregation, and inclusions h , resulting in tensile strength, yield strength, and fatigue resistance are 20-30% higher than rolled plates
- Excellent Through-Thickness Performance: Very suitable for ultra-thick tube sheets up to 1200mm, ensuring consistent mechanical properties, corrosion resistance, and structural integrity from the surface to the core
- Great Corrosion Resistance and High Temperature Stability: Customizable heat treatment processes (normalizing, quenching, tempering, annealing, solution treatment, aging treatment) to get good metallographic distribution and performance for extreme working conditions
- Customizable Forging Ratio and Dimensions: Standard forging ratio ≥3:1, high-demand critical applications forging ratio ≥6:1; maximum outer diameter up to 4000mm, maximum thickness up to 1200mm, single-piece weight up to 30 tons
- Better Welding and Machining Performance: Reduces the risk of hot cracking and cold cracking during welding, and improves the surface finish and dimensional accuracy during CNC machining, extending the lifetime of equipment by 30-50%
Forged vs Rolled or Cast Tube Sheets: A Practical Comparison for Buyers
For many standard low-risk applications, a rolled plate or other non-forged solution may be acceptable. However, buyers commonly choose forged steel tube sheets when section thickness is high, drilling tolerance is strict, service conditions are extreme, or third-party certification and through-thickness soundness are critical to project approval and long-term reliability.
| Evaluation point | Forged tube sheet | Rolled or cast alternative |
|---|---|---|
| Internal soundness | Better grain flow and reduced risk of internal defects after controlled forging and heat treatment | Depends heavily on source material or casting quality; may be not a good choice for very thick main parts |
| Through-thickness properties | Usually more suitable for heavy-wall and pressure-bearing duty | Can be less consistent in demanding thickness ranges |
| Machining and drilling reliability | Often favored for tight tolerance hole patterns and heavy CNC machining | Project-dependent and may be less stable in extreme dimensions |
| Use case | Heat exchangers, pressure vessels, oil and gas, power, desalination, nuclear and other critical service equipment | More common where service conditions and certification demands are less severe |
Manufacturing Capabilities and Dimensional Range
Equipped with advanced forging, heat treatment, machining, and inspection facilities, we can produce custom forged tubesheets with ultra-large size and heavy weight capacity to meet the most project requirements in different industries. Our production equipment and inspection facilities are fully introduced on our Equipment page, welcome to review more details.
Main Dimension, Weight, and Detailed Specifications
- Maximum Outer Diameter: Up to 4000mm (157.5 inches)
- Maximum Thickness: Up to 1200mm (47.2 inches)
- Single-Piece Weight Capacity: From 30kg (66 lbs) to 30,000kg (66,139 lbs)
- Standard Forging Ratio: ≥3:1; High-Demand Important Applications Forging Ratio: ≥6:1
- Tube Hole Size Range: Φ1mm (0.039 inches) to Φ300mm (11.8 inches)
- Tube Hole Positioning Accuracy: Up to ±0.01mm (±0.00039 inches)
- Tube Hole Diameter Tolerance: Up to ±0.01mm (±0.00039 inches)
- Surface Roughness: Up to Ra0.6 (Ra25 microinches)
- Flatness Tolerance: ≤0.05mm/m (≤0.0006 inches/foot)
- Perpendicularity Tolerance: ≤0.02mm/m (≤0.00024 inches/foot)
- TEMA Standard Compliance: TEMA Class R (Refinery Service), TEMA Class C (Chemical Service), TEMA Class B (General Service)
Cladded and Composite Forged Tube Sheet Solutions
For harsh working conditions that need both high strength and great corrosion resistance, we provide professional composite and cladded forged tube sheets solutions, manufactured according to ASTM/ASME SB898, ASTM/ASME SB263, and ASTM/ASME SB264 international standards. Following are our cladding capabilities:
- Explosion Bonded Composite Tube Sheets: Get full metallurgical bonding between a carbon steel or alloy steel base layer and a corrosion-resistant alloy cladding layer through controlled explosive energy, with a bonding strength ≥200MPa (29,000 psi); suitable for ultra-thick cladding (up to 20mm) and large-size tube sheets
- Rolled Cladding Tube Sheets: Cost-effective solution for uniform cladding thickness (2-10mm), suitable for medium and low pressure corrosion-resistant applications
- Overlay Welding Tube Sheets: Automatic GTAW (Gas Tungsten Arc Welding), SMAW (Shielded Metal Arc Welding), and SAW (Submerged Arc Welding) overlay welding with duplex stainless steel, super duplex stainless steel, titanium alloy, nickel alloy, Hastelloy, Inconel, and Incoloy; cladding thickness from 2mm to 10mm, 100% penetrant testing (PT) and ultrasonic testing (UT) to ensure no defects
All cladded forged tubesheets go through strict clad strength testing, ultrasonic testing (UT), dye penetrant testing (PT), corrosion testing, and mechanical property testing, fully meeting the requirements of petrochemical, seawater desalination, nuclear power, and oil & gas industries.
International Standards, Regional Compliance and Documentation Support
Our forged steel tube sheets fully meet the latest international standards and regional regulatory requirements, making sure seamless adapt to projects in every main market around the world. Following are our compliance coverage.
European Union (EU) & United Kingdom (UK)
- EN 10204 3.1/3.2 Material Certification
- PED 2014/68/EU Pressure Equipment Directive
- DIN, EN, AD 2000 Merkblatt Standards
- CE Certification & Notified Body Approval
- DNV, GL, LR, BV, TUV Third-Party Inspection
- UKCA Certification Support
North America (USA & Canada)
- ASME BPVC Section VIII Division 1/2 Pressure Vessel Code
- ASTM Material Standards (A182, A516, A350, A694, etc.)
- API 6A Oil & Gas Wellhead Equipment Standard
- CSA B51 & NBIC Certification Support
- ABS, TUV America, Lloyd's Register Third-Party Inspection
- NACE MR0175/ISO 15156 Sour Service Standard
Middle East & Africa
- API 6A, API 6D Oil & Gas Equipment Standards
- NACE MR0175/ISO 15156 Sour Service Standard
- Aramco, ADNOC, Kuwait Oil, QatarEnergy Project Specifications
- DESO, SASO, SONARC Regulatory Compliance
- BV, DNV, ABS, LR Third-Party Certification
- Seawater Desalination Project Compliance
Asia Pacific & Latin America
- JIS G3201, GB, AS Australian Standards
- DOSH Malaysia, MOM Singapore, KOSHA Korea Compliance
- ISO 9001:2015 Certified Manufacturing
- NBR Brazilian, INEN Ecuador, COVENIN Venezuelan Standards
- CCS, KR, RINA, NK Marine Certification
- Mining & Power Generation Project Compliance
Industries Served and Representative Project Cases
Our forged steel tube sheets are widely used as important parts in stationary tube sheets and floating tube sheets for shell and tube heat exchangers, high-pressure boilers, evaporators, nuclear power facilities, pressure vessels, steam turbines, large central air conditioning systems, seawater desalination plants, and petrochemical containers. Following are our main project cases across major global markets:
Petrochemical Ethylene Plant Project - Germany (EU Market)
We supplied 19 sets of forged tube sheets for a large-scale 1.2 million tons/year ethylene plant project in Germany. Made from ASTM A182 F316L mod super austenitic stainless steel, the products has diameter of 3200mm (126 inches) and thickness of 480mm (18.9 inches).They went through TEMA Class R precision drilling, passed EN 10204 3.2 certification by TUV Rheinland and fully met PED 2014/68/EU, the EU's strict pressure equipment safety and environmental requirements. The products have been working well for over 2 years without any failures.
Heavy Oil Refinery Project - Texas, USA (North America Market)
We supplied 24 sets of forged tube plates for a 300,000 barrels/day heavy oil refinery project in Texas, USA. It is made of SA516 Gr.70 carbon steel, with a 3mm thick Hastelloy C276 layer welded on automatically.The part has a maximum diameter of 3600mm (141.7 inches) and a thickness of 580mm (22.8 inches).It meets the requirements of ASME BPVC Section VIII, API 6A, and NACE MR0175/ISO 15156 for sour gas service. All products have passed 100% UT and PT non-destructive testing, as well as third-party inspection by ABS.
Seawater Desalination Project - Saudi Arabia (Middle East Market)
We supplied 36 sets of super duplex stainless steel forged tubesheets for a 200,000 m³/day multi-stage flash (MSF) seawater desalination project in Saudi Arabia. The products are made from ASTM A182 F53 (2507) super duplex stainless steel with a diameter of 3800mm (149.6 inches) and thickness of 420mm (16.5 inches), and they have a tube hole positioning accuracy of 0.01mm (0.00039 inches) and surface roughness of Ra0.6 (Ra25 microinches). They have excellent chloride ion corrosion resistance (≥40°C critical pitting temperature) and can work stably for a long time in the high-salinity, high-temperature seawater environment of the Persian Gulf.
Ultra-Supercritical Thermal Power Plant Project - Indonesia (Southeast Asia Market)
We supplied 48 sets of heat-resistant alloy steel forged tube sheets for a 2×1000MW ultra-supercritical thermal power plant project in Indonesia. The products are made from ASTM A182 F91 martensitic heat-resistant steel with a diameter of 2800mm (110.2 inches) and thickness of 620mm (24.4 inches), and they are used in high-pressure feed water heaters and boiler systems. After normalized and tempered heat treatment (1040°C normalizing, 760°C tempering), they passed JIS G3201 standard inspection and have excellent high-temperature creep resistance (≥100,000 hours creep rupture strength at 600°C/100MPa), so that they can work well in the high-temperature, high-humidity tropical environment of Southeast Asia.
Iron Ore Processing Project - Western Australia (Oceania Market)
We supplied 22 sets of wear-resistant and corrosion-resistant cladded forged tube sheets for a large-scale 80 million tons/year iron ore processing project in Western Australia. The products are made from ASTM A516 Gr.70 carbon steel with 4mm 2205 duplex stainless steel explosion bonding , with a diameter of 2600mm (102.4 inches) and thickness of 380mm (15 inches). They all meet AS Australian standards and have excellent wear resistance (≥400 HB hardness) and corrosion resistance in the harsh mining slurry environment.
Manufacturing Process from Melting to Final Inspection
We have a fully production line from premium steel melting to final delivery, with strict quality control to make sure every set of forged steel tube sheets have great performance and reliability .Following are our manufacturing process:
- Premium Raw Material Melting & Inspection: Premium raw steel from top domestic steel mills (Baosteel, Wuhan Iron and Steel, etc.), melted in 30t electric arc furnace (EAF), 30t ladle refining furnace (LF), and 30t vacuum degassing furnace (VOD); full chemical composition analysis and ultrasonic inspection (UT) before forging
- Precision Open Die Forging: Forged on 2000T, 4000T, and 6000T hydraulic forging presses, with controlled forging ratio (≥3:1 standard, ≥6:1 critical), forging temperature (1150-1250°C initial forging, 850-950°C final forging), and deformation rate to ensure consistent deformation and refined grain distribution.
- Fully Automatic Heat Treatment: Normalizing, quenching, tempering, annealing, solution treatment, and aging treatment in 10 fully automatic temperature-controlled heat treatment furnaces (temperature control accuracy ±5°C); heat treatment processes are customized according to material grade and project requirements to get the great metallographic distribution and performance
- Rough & Finish CNC Machining: CNC lathe turning, milling, boring, drilling, groove machining, reaming, chamfering, and thread machining on 5-axis CNC machining centers; fully meeting TEMA Class R/C/B precision standards and client's drawings
- 100% Non-Destructive Testing (NDT) & Quality Inspection: 100% ultrasonic testing (UT) (ASTM A388), dye penetrant testing (PT) (ASTM A165), magnetic particle testing (MT) (optional, ASTM A275), hardness testing, chemical composition analysis, mechanical property testing (tensile, impact, bending), and dimensional inspection according to client's drawings
- Final Certification & Packaging: Issuing EN 10204 3.1 mill test certificate (MTC) for all products; supporting third-party EN 10204 3.2 certification by CCS, BV, KR, GL, ABS, DNV, LR, RINA, RS, IRS, etc.; professional packaging with anti-rust oil, wooden cases, and waterproof plastic film to make sure all parts are not damaged in long-term transportation
Material Selection Guide for Critical Service Conditions
We can produce forged tube sheets with a full range of metal materials, covering carbon steel, alloy steel, stainless steel, nickel base super alloy, copper nickel alloy, titanium alloy, and naval brass alloy. Following is our professional material selection guide for different extreme working conditions:
- High Temperature & High Pressure (Boilers, Thermal Power Generation, Steam Turbines): ASTM A182 F11, F22, F91, F92 alloy steel; ASME SA516 Gr.60, Gr.70 carbon steel; ASME SA350 LF2, LF3 low temperature carbon steel
- General Corrosion & Low Temperature Service (Chemical Industry, HVAC, Food Processing): ASTM A182 F304, F304L, F316, F316L austenitic stainless steel; ASME SA350 LF2, LF3 low temperature carbon steel
- Severe Corrosion & Seawater Desalination (Seawater Desalination, Marine Engineering, Coastal Power Plants): ASTM A182 F51 (2205), F53 (2507) duplex/super duplex stainless steel; 904L, 254SMO, 654SMO super austenitic stainless steel; ASTM/ASME SB381 Gr.2, Gr.7, Gr.12 titanium alloy
- Strong Acid & Alkali Chemical Environment (Petrochemical, Chemical Processing, Pharmaceutical Industry): Hastelloy C276, C22, C4, B2, X, C2000 nickel base alloys; Inconel 600, 601, 625, 718 nickel base alloys; Incoloy 800, 800H, 800HT, 825, 926 nickel base alloys; Monel 400, K500 copper nickel alloy
- Oil & Gas Sour Service (Oil & Gas Wellhead, Refinery, Pipeline): ASTM A182 F6NM (1.4313) martensitic stainless steel; Inconel 718, 725 nickel base alloys; fully meet NACE MR0175/ISO 15156 sour service standards
- Nuclear Power Application (Nuclear Power Plants, Nuclear Research Facilities): ASME SA508 Gr.3 nuclear grade carbon steel; 304, 304L, 316, 316L nuclear grade stainless steel; with strict low cobalt content control (≤0.05%)
For full material grade details and technical specifications, please visit our Materials page for detailed information.
Available Material Grades for Forged Steel Tube Sheets
We can manufacture forged steel tube sheets with all mainstream international material grades, including but not limited to:
Carbon & Alloy Steel Grades
Stainless Steel Grades
Nickel Base & Super Alloy Grades
Brass, Naval Brass & Copper Nickel Alloy Grades
Titanium Alloy Grades
Quality Assurance, Inspection and Certification Support
To make sure every set of forged tube sheets have high quality and reliability, we have applied a full-process quality management system which meet ISO 9001:2015 standards, with advanced inspection equipment and strict testing procedures. Our quality control system covers every step from raw material melting to final delivery.
Full-Set Advanced Inspection & Testing Equipment
- Mechanical Property Testing Equipment: Universal tensile testing machine, impact testing machine, hardness tester (Rockwell, Brinell, Vickers), bending testing machine, high-temperature tensile testing machine and high-temperature creep testing machine
- Chemical Composition Analysis Equipment: Direct reading spectrometer, carbon sulfur analyzer and oxygen nitrogen hydrogen analyzer
- Non-Destructive Testing (NDT) Equipment: Ultrasonic flaw detector (UT), magnetic particle tester (MT), dye penetrant testing (PT) equipment and radiographic testing (RT) equipment (optional)
- Special Testing Equipment: Clad strength tester, corrosion resistance tester, metallographic analysis equipment, high-precision coordinate measuring machine (CMM), roughness tester, thread gauge, plug gauge, ring gauge and calipers
Comprehensive International Certification Support
- EN 10204 3.1 Mill Test Certificate (MTC): Issued for all products by our independent inspection department
- Third-Party EN 10204 3.2 Certification: Supported by CCS, BV, KR, GL, ABS, DNV, LR, RINA, RS, IRS, TUV, and other authoritative third-party inspection bodies
- Management System Certification: ISO 9001:2015, ISO 14001:2015, ISO 45001:2018 (pending)
- Product Compliance Support: PED 2014/68/EU, API 6A, NACE MR0175/ISO 15156, CE, UKCA, CSA, AS, JIS, and other regional regulatory compliance
- Full Material Traceability: From raw steel to finished product, with complete heat number and batch number records
Frequently Asked Questions About Forged Steel Tube Sheets
- Ultrasonic Testing (UT) - ASTM A388 for internal defects
- Dye Penetrant Testing (PT) - ASTM A165 for surface defects
- Hardness Testing - Rockwell, Brinell, Vickers
- Chemical Composition Analysis - Direct reading spectrometer
- Mechanical Property Testing - Tensile, impact, bending
- TEMA Class R: Refinery Service - for the most severe working conditions
- TEMA Class C: Chemical Service - for general chemical industry applications
- TEMA Class B: General Service - for standard HVAC and light industrial applications
RFQ Checklist: What to Send for a Fast and Accurate Tube Sheet Quotation
To get a fast and accurate quotation, buyers usually send us the following information. For custom forged tube sheets, the more detailed your requirements are, the more accurate we can be on the material choice, machining process, testing items, standard compliance, and delivery schedule.
- Drawing package: 2D drawings, 3D model if available, revision number, and important dimensions
- Material requirement: ASTM / ASME / EN grade, corrosion allowance, or equivalent specification
- Service condition: design pressure, design temperature, medium, chloride content, sour service, and corrosion concerns
- Tube layout: hole diameter, pitch, ligament requirement, drilling pattern, facing and groove requirements
- Cladding scope: explosion bonded, rolled cladding, or overlay welding, plus clad alloy and required thickness
- Inspection scope: UT, PT, MT, RT if applicable, hardness, mechanical testing, PMI, corrosion or clad bond testing
- Certification: EN 10204 3.1 or 3.2, PED, API, NACE, TEMA class, third-party witness or notified body needs
- Commercial details: quantity, required delivery date, destination port, packing standard, and project name
Request a Quote for Custom Forged Steel Tube Sheets
Jiangsu Liangyi Co., Limited (JNMT Forged Parts) is professional in providing high-quality custom forged steel tube sheets with competitive prices, reliable delivery, and full technical support for all clients around the world. Whether you need standard forging tubesheets, custom complex cladded tube plates or drilled tube sheets, we can provide a professional suggestion for your project.
Welcome to send your custom drawings, 3D models, material requirements, order quantity, and project specifications to get a detailed quotation within 24 hours. Our professional technical team will provide suggestions for material selection and process optimization for your project.
📧 Inquiry Email: sales@jnmtforgedparts.com
📞 Phone/WhatsApp: +86-13585067993
📠 Fax: +86-510-86107550
🌐 Website: https://www.jnmtforgedparts.com
📍 Address: Chengchang Industry Park, Jiangyin City, Jiangsu Province, China
We also provide a full range of other open die forgings, seamless rolled forged steel rings, forged steel shafts, forged bars, valve & oil gas forgings, and other custom forged parts, which you can find on our Products page. We look forward to establishing a long-term and mutually beneficial partnership with you!