2.4606 (NiCr21Mo16W) Forging Parts Overview | China Manufacturer
Established in 1997, Jiangsu Liangyi Co.,Limited is a professional ISO 9001:2015 certified China-based manufacturer of 2.4606 (NiCr21Mo16W) open die forging parts and seamless rolled forged rings. Our 80,000㎡ factory is located in Jiangyin City, Jiangsu Province, China, with an annual manufacturing capacity of 120,000 tons, could supply 2.4606 forged material for all clients over 50 countries worldwide.
Because our factory could produce 2.4606 in accordance with ASTM, EN, API international standards, many international clients choose us for this material, also We could supply 2.4606 nickel-based superalloy forgings material in full production process from steel melting, forging, heat treatment to CNC machining 100% according to clients drawing and technical manual
Can produce custom Forged Forms of 2.4606 (NiCr21Mo16W) Alloy
We offer a wide range of custom 2.4606 (NiCr21Mo16W) forged products in different shapes and size to meet different clients needs. All of these products are made in our Jiangyin, Jiangsu forging facility:
- 2.4606 forged round/square/flat/rectangular bars & rods - used for valve stems, pump shafts, turbine components and structural parts
- NiCr21Mo16W seamless rolled rings, contoured rolled rings & forged ring blanks - used for valve bodies, pressure vessel flanges, bearing races and reactor components
- 2.4606 forged hubs, housings, shells, sleeves, bushes, cases & hollow bars - widely used in pump and valve manufacturing, nuclear power equipment
- NiCr21Mo16W forged discs, disks, blocks, plates, flanged bosses & custom blanks - suitable for compressor impellers, turbine discs, heat exchanger tube sheets
- 2.4606 forged pipes, tubes, tubing shells, casings, barrels & fully machined components - for chemical processing, oil & gas and power generation applications
Our forging capacity ranges from 30KGS to 30,000KGS per single piece, with full inspection support from our in-house advanced testing equipment, including nondestructive testing (NDT), chemical composition analysis, mechanical property testing and metallographic analysis.
Need custom 2.4606 (NiCr21Mo16W) forgings? Get a free quote and professional DFM analysis for your project today!
Request Free QuoteForged Parts Made of NiCr21Mo16W (2.4606) for Use in Industry
2.4606 (NiCr21Mo16W) is a high-performance austenitic nickel-chromium-molybdenum-tungsten alloy, designed for exceptional corrosion resistance in many reducing and oxidizing environments, as well as excellent high-temperature strength. Our NiCr21Mo16W forgings are widely used in the following main industrial sectors:
- Industrial Valve Industry: 2.4606 forged valve balls, valve bonnets, valve bodies, valve stems, valve seat rings, valve cores and valve discs for H-type 2-way and 1-way back pressure valves, ball valves, check valves, gate valves, globe valves and other valves
- Nuclear Power Industry: NiCr21Mo16W forged reactor coolant pump rotors, impellers, casings, shells and containment seal chambers for PWR nuclear power plants
- Turbomachinery & Centrifugal Compressor Industry: 2.4606 forged turbo centrifugal compressor impellers, shrouded impellers, turbine blades and compressor shafts for petrochemical and power generation applications
- Industrial Pump Industry: NiCr21Mo16W forged pump casings, covers, barrels, impellers, shafts, housings, shells, bodies and wear rings for corrosive medium transfer pumps
- Pressure Vessel & Heat Exchanger Industry: 2.4606 forged pressure vessel reactor nozzles, boiler and heat exchanger tube sheets, baffle plates, nozzles and channel flanges
- Chemical Processing, Flue Gas Desulfurization (FGD), Pulp & Paper, and Industrial Waste Management Industries
2.4606 Forgings using Case Studies | Made in China
To better show how well our NiCr21Mo16W (2.4606) forgings work, following is our some delivery cases from our Jiangyin, Jiangsu factory:
Case Study 1: Forgings for the Nuclear Power Reactor Coolant Pump
Our 2.4606 (NiCr21Mo16W) forgings have been used successfully in the reactor coolant pump systems of several 1000MW-class PWR nuclear power plants in China. We supply forged parts like pump casings, impellers, and containment seal chambers. The alloy meets all of the RCC-M specification's requirements for nuclear power equipment. It is very resistant to radiation, water corrosion at high temperatures and pressures, and has great corrosion stability in the weld heat-affected area.
Core Result: Stable operation for over 8 years without performance degradation, becoming the main supply product for China's nuclear power industry.
Case Study 2: Corrosion-Resistant Valve Forgings for Chemical Processing
For highly corrosive chemical media (such as high-temperature hydrochloric acid, sulfuric acid, and chloride-containing wet-process phosphoric acid systems), we provide 2.4606 forgings for many top chemical company around the world, including ball valve balls, valve seats, valve bodies, pressure vessel nozzles, and heat exchanger tube sheets.
Core Result: Equipment lifetime increased from 6 months (traditional 316L stainless steel) to 5+ years, greatly reducing client maintenance costs.
Case Study 3: FGD System Forgings for Thermal Power Plants
In the flue gas desulfurization and denitrification (FGD) systems of thermal power plants and waste incineration plants, our NiCr21Mo16W forgings are widely used in main components such as slurry circulation pump casings, impellers, wear rings, and spray pipe nozzles. This material's great resistance to chloride pitting and crevice corrosion ensures that final machined parts work very well in the highly corrosive slurry environment with high chloride ion and low pH value in the FGD system.
Core Result: Trouble-free operation for over 4 years for multiple ultra-supercritical thermal power units in China.
Case Study 4: Centrifugal Compressor Impeller Forgings
We provide customized 2.4606 forged closed impellers, turbine blades, and compressor shafts for many internationally famous turbomachinery manufacturers. The perfect combination of high-temperature strength, fatigue resistance and corrosion resistance of this alloy make sure that all finished spare parts work very well in petrochemical centrifugal compressors and gas turbine auxiliary machines under high temperature and corrosive medium conditions.
Core Result: Passed API 617 standard requirement, with over 1000 sets of custom impeller forgings delivered cumulatively.
Looking for a reliable China manufacturer for your NiCr21Mo16W forging project? Contact us today for a competitive quote!
Contact Us Now2.4606 (NiCr21Mo16W) Alloy: Properties and Resistance to Corrosion
2.4606, a single-phase, austenitic Ni-Cr-Mo-W superalloy, is known for its exceptional resistance to corrosion in a wide range of demanding industrial settings. Its material advantages include:
- High nickel (Ni) and molybdenum (Mo) content provides great resistance in reducing acid environments
- High chromium (Cr) content delivers superior resistance to strong oxidizing media
- Molybdenum (Mo) and tungsten (W) additions significantly enhance resistance to localized corrosion such as pitting and crevice corrosion in chloride-containing environments
- Strictly controlled low iron (Fe) content optimizes overall material corrosion resistance and mechanical properties
- Ultra-low carbon (C) content reduces grain boundary precipitation during welding, maintaining great corrosion resistance in the heat-affected zones (HAZ) of welded joints
- Overall resistance to general corrosion, pitting corrosion and crevice corrosion increases with the total content of key alloying elements (Cr+Mo+W)
We also supply a full range of comparable nickel-based superalloy forgings, including Inconel, Hastelloy, Monel and Incoloy alloy forgings to meet your demand. All materials follow API 6A, ASME, EN 10204 and RCC-M standards where applicable, to make sure suitability for the most demanding nuclear, chemical and oil & gas applications where pitting resistance, stress corrosion cracking resistance and long-term operation.
2.4606 vs Hastelloy C-276 vs Inconel 625: Alloy Comparison
2.4606 (NiCr21Mo16W, also known as Alloy 59, UNS N06059, W.Nr. 2.4606) is designed as a superior alternative to Hastelloy C-276 and Inconel 625 in the most critical chemical environments. Below table provides a direct comparison of material to give the guidance of selection:
| Property | 2.4606 / Alloy 59 (NiCr21Mo16W) |
Hastelloy C-276 (UNS N10276) |
Inconel 625 (UNS N06625) |
|---|---|---|---|
| Ni Content | ≥59% | ~57% | ~61% |
| Cr Content | 22-24% | 14.5-16.5% | 20-23% |
| Mo Content | 15-16.5% | 15-17% | 8-10% |
| W Content | 0.1-0.5% | 3-4.5% | — |
| PREN Index | ~73 | ~69 | ~51 |
| Tensile Strength | Min. 690 MPa | Min. 690 MPa | Min. 827 MPa |
| Pitting Resistance | ⭐⭐⭐⭐⭐ Superior | ⭐⭐⭐⭐ Excellent | ⭐⭐⭐ Good |
| HCl/H₂SO₄ Resistance | ⭐⭐⭐⭐⭐ Superior | ⭐⭐⭐⭐ Excellent | ⭐⭐⭐ Moderate |
| Nuclear Applications | ✅ RCC-M Qualified | Limited | ✅ Available |
| Primary Standard | DIN EN 10088 / VdTÜV 499 | ASTM B574 | ASTM B443 |
| Forging Standard | ASTM B564 | ASTM B564 | ASTM B564 |
| Typical Applications | Nuclear, FGD, severe chemical | Chemical processing, general | Aerospace, seawater |
Note: 2.4606 (Alloy 59 / UNS N06059) offers a higher chromium content (22-24% vs 14.5-16.5%) than Hastelloy C-276, providing superior resistance to oxidizing acids, pitting and crevice corrosion in chloride-rich environments. It is widely used for nuclear power and flue gas desulfurization (FGD) systems. Learn more: Hastelloy alloy family (Wikipedia) | ASTM B564 Forging Standard
Chemical Composition of NiCr21Mo16W (2.4606) Forged Alloy
The chemical composition of our 2.4606 (NiCr21Mo16W / Alloy 59 / UNS N06059 / W.Nr. 2.4606) forged alloy strictly follow ASTM B564, ASTM B462 and DIN EN 10088 international standards, with the following specific content range:
| Alloy Element | Standard Content Range |
|---|---|
| Chromium (Cr) | 19.0 - 23.0% |
| Molybdenum (Mo) | 15.0 - 17.0% |
| Tungsten (W) | 3.0 - 4.4% |
| Titanium (Ti) | 0.02 - 0.25% |
| Iron (Fe) | Max 2.0% |
| Carbon (C) | Max 0.01% |
| Manganese (Mn) | Max 0.75% |
| Sulfur (S) | Max 0.02% |
| Silicon (Si) | Max 0.08% |
| Phosphorus (P) | Max 0.04% |
| Nickel (Ni) | Balance (Remainder) |
Melting Process & Heat Treatment Mechanical Properties
Advance Melting Process for 2.4606 Forged Bars
Our 2.4606 (NiCr21Mo16W) alloy will undergo an advanced multiple melting process to ensure superior material purity, consistent chemical composition and stable performance, fully as per international aerospace and nuclear industry production standards:
- The alloy shall be multiple melted using consumable electrode practice in the remelt cycle, or vacuum induction melted (VIM)
- If consumable electrode remelting is not used in vacuum, electrodes produced by vacuum induction melting shall be used for remelting
Mechanical Properties of 2.4606 Forgings (Delivery Condition)
Mechanical properties are tested on samples cut from the tangential test ring taken from 2.4606 forged and rolled rings in the delivery condition. Residual test material with a stamped serial number will be delivered to clients along with the products. Specimens are taken from both tangential and transverse directions, with tests performed according to EN ISO international standards. The main mechanical properties are as follows:
| Mechanical Property | Standard Minimum Value |
|---|---|
| Tensile Strength (Rm) | 690 MPa |
| 0.2% Proof Strength (Rp0.2) | 350 MPa |
| Minimum Elongation at Break (A, 5d) | 27% |
Key Mechanical advantages: Minimum yield strength (0.2% proof stress) 310 MPa; minimum tensile strength 690 MPa; minimum elongation 45%; maximum hardness 240 HB. All 2.4606 forged parts undergo full solution annealing heat treatment at 1080–1150 °C with rapid quenching to achieve maximum corrosion resistance. Standard NDT includes ultrasonic testing (UT per ASTM A388), liquid penetrant testing (PT) or magnetic particle testing (MT) per ASME Section V.
← Swipe horizontally to view full table →Reference Inspection Standards for 2.4606 Forged Parts
All our 2.4606 (NiCr21Mo16W) forgings are produced and inspected in strict following international standards, including:
- EN 10204: Metallic products - Types of inspection documents
- EN 10302: Creep-resisting steels, nickel and cobalt alloys
- EN 13018: Non-destructive testing - Visual testing of welds
- EN ISO 148-1: Metallic materials - Charpy pendulum impact test
- EN ISO 643: Steels - Micrographic determination of the apparent grain size
- EN ISO 6506-1: Metallic materials - Brinell hardness test
- EN ISO 6892-1: Metallic materials - Tensile testing at ambient temperature
- EN ISO 6892-2: Metallic materials - Tensile testing at elevated temperature
- EN ISO 9001: Quality management systems
- EN ISO 9712: Non-destructive testing - Qualification and certification of NDT personnel
👉 Official Product Page: https://www.jnmtforgedparts.com/2.4606-forging-parts.html
👉 View more nickel alloy forgings: Our Full Material Range
Technical Review by Jiangsu Liangyi Engineering Team — Alloy Forging Specialists with 25+ years experience in nickel superalloy manufacturing. All technical data on this page is reviewed against current ASTM, DIN EN and ISO 9001:2015 standards. Last updated: March 2026.
Why Choose Jiangsu Liangyi 2.4606 Forging Parts?
With 25+ years of production experience in nickel superalloy forgings, Jiangsu Liangyi has excellent technical capability, high quality assurance and global supply service can meet your 2.4606 (NiCr21Mo16W) forging requirements.
🏭 Full In-House Production
From raw material melting to precision CNC machining — complete process control under one roof. Capacity: 30 KGS to 30,000 KGS per piece. Annual output: 120,000 tons.
🔬 Nuclear-Grade Quality Assurance
ISO 9001:2015 certified. Full EN 10204 3.1/3.2 Mill Test Certificates.Ultrasonic testing (UT), penetrant testing (PT), magnetic particle testing (MT) and dimensional inspection on every order.
📐 Free DFM Analysis
Submit your drawings and receive free Design for Manufacturability (DFM) review within 24 hours. We could make suggestion of forging material production way to our clients and help them reduce cost and shorten the lead time.
🚢 Global Delivery to 50+ Countries
export experience shipping to USA, Germany, UK, UAE, Saudi Arabia, Singapore and 50+ countries. Full export documentation, LC accepted. Standard lead time: 20–45 days.
💼 Minimum Order Quantity (MOQ)
MOQ: 1 piece for custom forgings (no minimum volume requirement). We support both prototype single pieces and large volume production orders, with consistent quality at all scales.
📦 Packaging & Shipping
Forged parts are rust-proofed, individually wrapped and packed in wooden crates or steel pallets for sea freight.All dimensions and surface conditions are confirmed before packing with photo documentation.
Frequently Asked Questions About 2.4606 (NiCr21Mo16W) Forgings
2.4606 (also called NiCr21Mo16W) is an austenitic nickel-chromium-molybdenum-tungsten superalloy that have great corrosion resistance in severe reducing and oxidizing environments. It is widely used in nuclear power, chemical processing, and other industries that required in harsh corrosive conditions.
Yes, we mainly produce custom 2.4606 (NiCr21Mo16W) forged parts 100% as per clients drawings and technical manual We could supply full production process from steel melting, forging, heat treatment to precision CNC machining, with a single piece weight ranging from 30KGS to 30,000KGS. We also provide free design for all clients products
We provide full EN 10204 3.1 or 3.2 Mill Test Certificates (MTC) for all 2.4606 forgings, including detailed chemical composition reports, mechanical test reports, heat treatment records, and non-destructive testing (NDT) reports as required. All inspections are done according to international standards, and third-party inspection from TUV,BV,SGS,DNV are all ok for us
The standard lead time for custom 2.4606 (NiCr21Mo16W) forging parts is from 20 to 45 days, depends on the clients drawing of the parts, order quantity, and machining requirements. We can also accept urgent order , with lead times like 15 days for simple forged components.
2.4606 (NiCr21Mo16W) forgings are widely used in nuclear power generation, chemical processing, petrochemical, power generation (FGD systems), pulp and paper production, industrial waste management, and other industry that need material have good corrosion resistance, high-temperature strength, and long-term operational reliability
Our 2.4606 (NiCr21Mo16W) forgings are manufactured and inspected fully according to international standards including EN, ASTM, ASME, API, and RCC-M for nuclear applications. We also produce it as per PED 2014/68/EU requirements for pressure equipment components.
2.4606 (Alloy 59 / UNS N06059) has significantly higher chromium content (22–24% vs. 14.5–16.5%) than Hastelloy C-276 (UNS N10276), so that this material has superior resistance to oxidizing acids and a higher pitting resistance equivalent number (PREN ~73 vs ~69). 2.4606 is the best choice of material for nuclear power, FGD absorber towers and concentrated acidic chloride environments. Both alloys share similar molybdenum content (~15–16%) for excellent reducing acid resistance.
There is no minimum order quantity (MOQ) requirement for custom 2.4606 (NiCr21Mo16W) forgings at Jiangsu Liangyi. We accept orders from a single-piece sample order to large-volume production orders. Every order for all sizes will finally have the same quality standards and full EN 10204 3.1/3.2 Mill Test Certificate documentation.
Yes. Our 2.4606 (NiCr21Mo16W / Alloy 59 / UNS N06059) forgings according to ASTM B564 (Standard Specification for Nickel Alloy Forgings) and ASTM B462. We also manufacture to EN 10228, DIN EN 10088-3 and RCC-M nuclear material standards upon request, with full dimensional and mechanical testing reports in every delivery order.
We offer three standard surface conditions: (1) As-forged, (2) Shot-blasted/descaled, and (3) Precision CNC machined according to drawing. For CNC-machined 2.4606 components, we could meet ±0.05 mm for high requirement size and standard IT7 grade tolerances for normal dimensions. Surface roughness Ra 1.6–3.2 μm is standard for machined surfaces unless otherwise specified by the client's drawing.
Contact Us for Custom 2.4606 Forging Parts
As a professional China-based 2.4606 (NiCr21Mo16W) forging manufacturer and Jiangsu local supplier, Jiangsu Liangyi Co.,Limited could supply high-quality custom alloy forging solutions for global industrial clients. Welcome to contact us for your inquiry, we will provide you with professional technical support and competitive quotation within 24 hours.
📧 Inquiry Email: [email protected]
📞 Phone/WhatsApp: +86-13585067993
💬 Skype: jiangsuliangyi_forgings
🌐 Official Website: https://www.jnmtforgedparts.com
📍 Factory Address: Chengchang Industry Park, Jiangyin City, Jiangsu Province, China
🗺️ Google Maps: View Factory Location