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🔑 Incoloy 945 (UNS N09945) – Main Information
- ✅ Alloy Type: Precipitation-hardenable nickel-iron-chromium superalloy
- ✅ UNS Number: N09945
- ✅ Nickel Content: 44.0–47.0%
- ✅ Min. Tensile Strength: 1035 MPa (150 ksi)
- ✅ Min. Yield Strength: 895 MPa (130 ksi)
- ✅ Max. Service Temperature: 425°C (800°F)
- ✅ Main Standards: ASTM B637, API 6A, NACE MR0175/ISO 15156
- ✅ Weight Range: 0.5 kg – 30,000 kg per piece
- ✅ Lead Time: Fast delivery, large raw material stock
- ✅ Manufacturer: Jiangsu Liangyi Co., Limited – founded in 1997
What Are Incoloy 945 Forged Parts?
Incoloy 945 (UNS N09945) is a precipitation-hardenable nickel-iron-chromium superalloy.Incoloy 945 forged parts have high strength, good corrosion resistance, and good workability due to their chemical composition includes molybdenum, niobium, copper, and titanium.They are widely used in many industries, especially in the oil and gas industry which require high strength,good resistance to sulfide stress cracking (SSC) and stress corrosion cracking (SCC).
As a professional manufacturer and supplier of Incoloy 945 forged parts in China, Jiangsu Liangyi have advanced forging equipment, a skilled technical team, and a full quality management system. We can produce Incoloy 945 alloy forgings in many different shapes and sizes as per client's requirements — including forged bars, forged flanges, forged rings, forged valve bodies, forged wellhead parts, and other custom forged parts. All products are manufactured according to ASTM B637, ASME, API 6A, and NACE MR0175/ISO 15156 standards.
Jiangsu Liangyi was founded in 1997 in Jiangyin City, Jiangsu Province, China.It has an 80,000 m² production facility With an annual forging capacity of 120,000 metric tons.We can make all in-house including spanning melting, forging, heat treatment, CNC machining, and non-destructive testing. we are one of the most powerful manufacturers of nickel-based alloy forgings in China. We have shipped Incoloy 945 forged parts to more than 30 countries, including the United States, Germany, Norway, Saudi Arabia, and Australia.
Chemical Composition of Incoloy 945 (UNS N09945)
The chemical composition of Incoloy 945 (UNS N09945) below is according to ASTM B637 ,API 6A Annex H and NACE MR0175/ISO 15156-3:
| Element | Minimum % | Maximum % |
|---|---|---|
| Nickel (Ni) | 44.0 | 47.0 |
| Chromium (Cr) | 19.5 | 22.5 |
| Iron (Fe) | Balance | |
| Molybdenum (Mo) | 3.0 | 4.0 |
| Niobium + Tantalum (Nb+Ta) | 2.5 | 3.5 |
| Copper (Cu) | 1.5 | 3.0 |
| Titanium (Ti) | 1.0 | 1.8 |
| Aluminum (Al) | 0.30 | 0.70 |
| Carbon (C) | — | 0.05 |
| Manganese (Mn) | — | 1.00 |
| Silicon (Si) | — | 0.50 |
| Phosphorus (P) | — | 0.030 |
| Sulfur (S) | — | 0.010 |
Mechanical Properties of Incoloy 945 Forged Parts
Incoloy 945 forged parts can get different mechanical property by different heat treatment ways to meet each client's requirements. The table below shows the typical mechanical properties of Incoloy 945 (UNS N09945) after solution treatment and double aging heat treatment per ASTM B637:
| Property | Minimum Value | Typical Value | Unit |
|---|---|---|---|
| Tensile Strength (Rm) | 1035 | 1170 | MPa |
| Yield Strength 0.2% (Rp0.2) | 895 | 1030 | MPa |
| Elongation (A₅) | 25 | 30 | % |
| Reduction of Area (Z) | 35 | 45 | % |
| Hardness | 30 | 36 | HRC |
Note: Mechanical properties can be adjusted by customized heat treatment ways to meet API 6A PSL 1–4 standard or different customer technical manuals.
Incoloy 945 vs. Similar Nickel Alloys: Comparison
The table below compares Incoloy 945 (UNS N09945) with some related nickel-based alloys which are commonly used in oil & gas and chemical industries, this can help engineers and the procurement teams choose the right material:
| Property | Incoloy 945 (N09945) | Incoloy 925 (N09925) | Inconel 718 (N07718) |
|---|---|---|---|
| Ni Content | 44–47% | 42–46% | 50–55% |
| Min. Yield Strength | 895 MPa | 725 MPa | 1034 MPa |
| Min. Tensile Strength | 1035 MPa | 1000 MPa | 1241 MPa |
| Max. Service Temp. | 425°C (800°F) | 400°C (750°F) | 650°C (1200°F) |
| NACE MR0175 Compliant | ✅ Yes | ✅ Yes | ✅ Yes (limited) |
| SSC Resistance | ⭐⭐⭐⭐⭐ Excellent | ⭐⭐⭐⭐ Very Good | ⭐⭐⭐ Good |
| API 6A Compliant | ✅ Yes | ✅ Yes | ✅ Yes |
| Primary Application | Sour gas wellhead & valves | Oil & gas sour service | High-temp aerospace & O&G |
| Relative Cost | Medium-High | Medium | High |
Main Advantages of Incoloy 945 Forged Parts
- High Strength: Precipitation hardening heat treatment makes sure the alloy can get high tensile and yield strength, withstanding high pressure and heavy loads in critical environments.
- Good Corrosion Resistance: Great resistance to general, pitting, crevice, and intergranular corrosion in acidic, chloride-containing, and sour conditions.
- Great SSC & SCC Resistance: Fully accordance with NACE MR0175/ISO 15156 for sour service. The alloy provides good resistance to sulfide stress cracking (SSC) and stress corrosion cracking (SCC) in H₂S-containing environments.
- Good Thermal Stability: Keep good mechanical properties and corrosion resistance at temperatures up to 425°C (800°F).
- Good Fabricability: Good forgeability, weldability, and machinability make manufacturing into many complex forged shapes and sizes possible.
- Wide Uses Industries: Suitable for oil and gas, marine and offshore, chemical, power generation, and geothermal energy industries.
Incoloy 945 Forged Products Range
Jiangsu Liangyi can make full range of Incoloy 945 (UNS N09945) forged parts according to customers' drawings and technical manuals.
Product Shapes We Supply
- Incoloy 945 Forged Bars & Rods (Round Bars, Square Bars, Flat Bars, Hollow Bars)
- Incoloy 945 Seamless Rolled Rings & Forged Rings
- Incoloy 945 Forged Flanges (WN, SO, BL, RTJ, and Custom Flanges)
- Incoloy 945 Forged Valve Bodies, Valve Parts, Valve Seats, and Valve Bonnets
- Incoloy 945 Forged Wellhead Parts & Christmas Tree Parts
- Incoloy 945 Forged Shafts, Hubs, Blocks, and Discs
- Custom Incoloy 945 Forged Parts per Customers' Drawings
Product Specifications
- Weight Range: 0.5 kg to 30,000 kg per piece
- Size Range: As per customers' drawings
- Minimum Forging Ratio: ≥ 4:1 (higher ratios available on request)
- Heat Treatment: Solution Treatment + Aging Treatment per ASTM B637 or API 6A, or per customer requirements
- Standards: ASTM B637, ASME, API 6A, NACE MR0175/ISO 15156
We also supply forgings in related nickel-based alloys, including Incoloy 925, Incoloy 825, Incoloy 800, Inconel 718, Inconel 625, Monel 400, Monel K500, and Hastelloy C276.
Uses Industries of Incoloy 945 Forged Parts
As they have high strength and good corrosion resistance, Incoloy 945 forged parts are widely used in the following industries:
Oil & Gas Industry
- Wellhead equipment and Christmas tree components
- Gate valves, ball valves, check valves, and other valve bodies and parts
- Downhole tools, tubing hangers, and casing hangers
- Flow meter components and manifold parts
- Sour service (H₂S-containing) equipment per NACE MR0175
Marine Engineering & Offshore
- Offshore platform equipment and parts
- Subsea production systems and parts
- Marine fasteners and propulsion shafts
- Riser clamps and subsea connectors
Chemical Industry
- Reactor vessels and parts
- Heat exchanger parts
- Pump bodies, impellers, and shafts
- Piping systems and fittings in corrosive media
Other Industries
- Power generation parts
- Geothermal well equipment parts
- High-strength fasteners and bolts
- Pulp and paper industry equipment
- Waste treatment equipment parts
Global Project References & Case Studies
Our Incoloy 945 forged parts have been used in major global oil and gas projects and have won consistent recognition from international clients for stable quality.
Case Study: Middle East Sour Gas Field Project
Challenge:We shipped a batch of forged wellhead parts and valve parts to an oil company for a sour gas field project which require high concentrations of H₂S and CO₂ . All parts must meet NACE MR0175 sour service requirements with high strength and good corrosion resistance.
Our Solution: We suggested Incoloy 945 (UNS N09945) alloy forgings and manufactured all parts 100% per the customer's drawings and technical manuals. We did Strict quality control at every production stage — from raw material melting and forging, heat treatment, CNC machining, to non-destructive testing, and we provided full material certifications and test reports.
Result: All Incoloy 945 forged parts passed the tests and were successfully installed. They worked well in the sour gas field environment so we have a long-term strategic partnership with the client.
Case Study: North Sea Offshore Subsea Production System
Challenge: A European subsea engineering contractor required precision-forged Incoloy 945 valve bodies and ring parts for a deepwater subsea production system, need according to API 6A PSL-3 and size tolerance within ±0.05 mm.
Our Solution: We used our in-house 5-axis CNC machining to make parts with the required size tolerance. We provided full material traceability, PMI (Positive Material Identification), and third-party (BV) inspection report.
Result: All parts passed the customer's FAT (Factory Acceptance Test) on first submission, and the project was finished ahead of schedule.
We have supplied our Incoloy 945 forged parts to more than 30 countries and regions worldwide, including the United States, Canada, Germany, the United Kingdom, the Netherlands, Norway, Australia, the United Arab Emirates, Saudi Arabia, and Brazil.
Quality Control & Certifications
Quality is the most important to our business. Jiangsu Liangyi has a full quality management system for all production steps, from raw material to final product delivery. Every forged part must pass all inspections to meet customers' technical requirement.
Our Quality Control
- Raw Material Inspection: We buy Incoloy 945 raw materials from certified mills and do chemical composition analysis (OES spectrometry), hardness testing, and certification check before production.
- Forging Control: We strictly control forging temperature, forging ratio, and deformation parameters during forging to make sure good internal grain structure and mechanical properties on the finished parts.
- Heat Treatment Control: Our advanced heat treatment with calibrated temperature control systems make sure that all Incoloy 945 forgings can get the required microstructure, mechanical properties, and hardness per ASTM B637 and API 6A.
- Machining Control: CNC machining department make sure all finished sizes accordance with drawings. We will do First article inspection (FAI) and in-process size checks during machining.
- Non-Destructive Testing (NDT): We will do full NDT tests before shipping, including UT (Ultrasonic Testing), MT (Magnetic Particle Testing), PT (Liquid Penetrant Testing), and RT (Radiographic Testing) per ASME, API, or customers' other requirement.
- Final Inspection: We will do full testing on all finished products, including chemical composition (PMI), mechanical properties, dimensional verification, surface quality assessment, and NDT. And full material test reports (MTR) and certificates will be provided when shipping.
Our Certifications
- ISO 9001:2015 Quality Management System Certification
- API 6A License (Wellhead and Christmas Tree Equipment)
- ISO 14001 Environmental Management System Certification
- ISO 45001 (OHSAS 18001) Occupational Health and Safety Management System Certification
- NACE MR0175/ISO 15156 Sour Service
- Third-party inspection: BV, SGS, TÜV, Lloyds, DNV, and others
Certifications & Global Client Base
ISO 9001:2015
API 6A
ISO 14001
ISO 45001
NACE MR0175
SGS / BV / TÜV
Trusted by Global Clients In
USA
Canada
Germany
UAE
Saudi Arabia
Australia
Norway
Brazil
Why Choose Jiangsu Liangyi as Your Incoloy 945 Forged Parts Supplier?
- Professional Manufacturer: Founded in 1997, we have an 80,000 m² production plant, 120,000-metric-ton annual forging capacity. We can also do full production in house from melting, forging,heat treatment to final CNC machining.
- Custom Production Capability: We can make Incoloy 945 forged parts to any size, shape, and technical manuals — from sample order to large-volume production orders.
- Consistent Quality: We finish all production in our own facilities— melting, forging, heat treatment, and machining under strict quality control, this makes sure every delivered part as per customers' requirements.
- Competitive Prices: As a factory, we can offer the most competitive prices on Incoloy 945 forgings while keeping the best quality.
- Fast Delivery: We keep a large stock of 945 raw materials for good delivery and rush orders.
- Technical Support: Our technical team has over 20 years of experience in forging.They can provide professional material choose advice, technical consultation, and problem-solving support.
- Good After-Sales Service: We offer full after-sales support and respond any product-related queries within 24 hours.
Frequently Asked Questions About Incoloy 945 Forged Parts
What is Incoloy 945 (UNS N09945)?
Incoloy 945 (UNS N09945) is a precipitation-hardenable nickel-iron-chromium superalloy which contains about 44–47% nickel, 19.5–22.5% chromium, 3–4% molybdenum, 2.5–3.5% niobium+tantalum, 1.5–3% copper, and 1–1.8% titanium. It has high tensile strength (≥1035 MPa), good resistance to general, pitting, and crevice corrosion, and great resistance to sulfide stress cracking (SSC) and stress corrosion cracking (SCC) in H₂S-containing sour environments. The alloy is fully accordance with NACE MR0175/ISO 15156.
What standards do your Incoloy 945 forged parts meet?
All Incoloy 945 forged parts from Jiangsu Liangyi are manufactured in strict as per ASTM B637, ASME standards, API 6A (for wellhead and Christmas tree equipment), and NACE MR0175/ISO 15156-3 for sour service. We can also produce parts which can meet other international standards upon request.
What is the maximum working temperature of Incoloy 945?
Incoloy 945 keeps good mechanical properties and corrosion resistance at temperatures up to 425°C (800°F), thus it is the best choice for oil & gas, chemical, and geothermal industries which require medium-to-high temperature.
What shapes of Incoloy 945 forged parts can you produce?
We can produce a full range of Incoloy 945 forged shapes, including forged bars and rods (round, square, flat, hollow), seamless rolled rings, flanges (WN, SO, BL, RTJ, and custom), valve bodies and valve parts, wellhead parts and Christmas tree parts, shafts, hubs, blocks, and discs — and any other shape per customer drawings.
What is the weight range of your Incoloy 945 forgings?
Our Incoloy 945 forged parts range from 0.5 kg to 30,000 kg per piece, the minimum forging ratio is 4:1, we can also offer Higher forging ratios to meet specific mechanical property or grain structure requirements.
How does Incoloy 945 compare to Incoloy 925?
Incoloy 945 (UNS N09945) offers higher yield strength (≥895 MPa vs. ≥725 MPa for Incoloy 925 / UNS N09925) and good resistance to SSC and SCC, which make it best choice for sour gas environments. Incoloy 925 is suitable for conditions which require low concentrations of H₂S and is generally more cost-effective. Both alloys are accordance with NACE MR0175/ISO 15156.
How can I get a quote for Incoloy 945 forged parts?
To get a free quote within 24 hours, please provide: material grade (Incoloy 945 / UNS N09945), 2D/3D drawings with detailed size and tolerances,standards and certifications, order quantity, delivery time, and any other technical requirements. Contact us at [email protected] or WhatsApp: +86-13585067993.
Contact Us for Incoloy 945 Forged Parts
If you are looking for a professional Incoloy 945 forged parts manufacturer in China, Jiangsu Liangyi is your best choice. Please contact us with your drawings and requirements — we will provide a free quote and the best technical solution within 24 hours.
Contact Information
Company: Jiangsu Liangyi Co., Limited
📍 Address: Chengchang Industry Park, Jiangyin City, Jiangsu Province, China
📧 Email: [email protected]
📞 Tel: +86-510-86107550
📱 WhatsApp: +86-13585067993
🌐 Website: www.jnmtforgedparts.com
Information Needed for a Quick Quote
- Material grade: Incoloy 945 / UNS N09945
- Product drawings (2D/3D) with detailed dimensions and tolerances
- Required standards and certifications (API 6A, NACE MR0175, etc.)
- Order quantity
- Required delivery date
- Any special technical requirements
Request A Free Quote
We look forward to establishing a long-term partnership with you!