Nimonic C263 Alloy Forged Parts | UNS N07263 Open Die Forgings & Seamless Rolled Rings
Jiangsu Liangyi was established in 1997 and is a professional manufacturer certified by ISO-9001:2015. Our main products are Nimonic C263 ( also known as Alloy 263, UNS N07263) open-die forgings and seamless rolled rings.Our Factory covers an area of 80,000㎡ with original fixed asset up to 40 million USD. Nimonic C263 is an age-hardenable nickel-cobalt-chromium-molybdenum superalloy which can work in high-temperature up to 900°C (1650°F). It has great creep resistance and tensile ductility suitable for aerospace, gas turbines, and steam turbines industries across the US, Europe, UK, Australia, and Canada.
All UNS N07263 forged parts are manufactured as per international standards ASTM B637 and AMS 5886, or clients' other technical requirement.Full mill test certificates (MTC 3.1/3.2) from steel melting → forging → heat treatment → precision machining → NDT inspection and third-party inspection (SGS/BV) will be provided.
Nimonic C263 Seamless Rolled Ring
Nimonic C263 Forged Round Bar
Nimonic C263 Turbine Disc Forging
✔ ISO-9001:2015✔ ASTM B637✔ AMS 5886✔ MTC 3.1 / 3.2✔ SGS / BV Available✔ 50+ Countries Served✔ Est. 1997 · 25+ Years
Jiangsu Liangyi can produce Nimonic C263 / Alloy 263 / UNS N07263 forged parts from 30 kg to 30,000 kg, with an annual capacity of 120,000 tons. We can make all shapes per international standards and clients' drawings, including Nimonic C263 forged rings, Nimonic C263 forged bars, Nimonic C263 open die forgings, and Alloy 263 seamless rolled rings:
All Nimonic C263 forgings are produced with advanced forging equipment: 2,000 / 4,000 / 6,000-ton Hydraulic Forging Presses, 0.75–9-ton Electro-Hydraulic Forging Hammers, and 1–5-meter Seamless Ring Rolling Machines.
UNS N07263 Forged Parts Uses
Our Nimonic C263 / Alloy 263 / UNS N07263 forged parts are used in many industries which require high-temperature, high-pressure. Our customers are from more than 50 countries:
Nimonic C263 Forgings — Global Delivery Case Studies
Jiangsu Liangyi has rich experience in supplying Nimonic C263 forged parts.Our clients are from Europe, Asia, the Middle East, Australia, and North America, they are leading companies in aerospace, power generation, and oil & gas industries:
Case 1: European Aerospace — C263 Turbine Shafts & Rolled Rings
Product: We supplied Nimonic C263 aerospace turbine shafts and seamless rolled rings
Inspection: 100% non-destructive testing, full chemical composition and mechanical property test
Result: Used in 3+ thermal power plants; working stably for 8+ years under high-temperature conditions
Case 3: Australian Industrial Equipment company— Custom Forged Sleeves & Hollow Bars
Product: Alloy 263 custom forged sleeves, discs, and hollow bars
Standard: ASTM B637, AMS 5886, good corrosion and high-temperature resistance
Advantage: Fully custom, fast delivery, with MTC 3.2 certification
Result:We keep a long-term partnership with the company in supporting local industrial high-temperature equipment upgrades
Nimonic C263 (UNS N07263) Mechanical Properties
Room Temperature Mechanical Properties (Precipitation Hardened Condition)
Property
Value (SI)
Value (Imperial)
Tensile Strength (UTS)
940 MPa
136,000 psi
Yield Strength (0.2% offset)
550 MPa
79,900 psi
Elongation at Break
39%
39%
Max Service Temperature
900°C
1,650°F
Density
8.36 g/cm³
0.302 lb/in³
Main Material Characteristics
Gamma prime (γ') precipitation-strengthened microstructure
Good tensile ductility – avoids strain-age cracking common in other high-strength nickel alloys
Great creep resistance and stress-rupture strength at high temperatures
Good oxidation resistance up to 900°C; though hot corrosion resistance
Better fabricability compared to higher-strength gamma prime alloys
High-Temperature Mechanical Properties
The following high-temperature properties are typical for Nimonic C263 forgings by solution-treated and aging treatment:
Test Temperature
Tensile Strength (MPa)
Yield Strength 0.2% (MPa)
Elongation (%)
Room Temp (20°C)
940
550
39
400°C (750°F)
870
530
22
650°C (1200°F)
820
580
18
800°C (1472°F)
680
520
22
900°C (1650°F)
340
260
28
Note: Dates are typical; actual results may differ due to different forging method, heat treatment, and size. All test results will be supplied with MTC certification.
All mechanical properties are tested with our in-house high-temperature tensile testing machine, metallographic microscope, and mechanical testing equipment.
Nimonic C263 Melting, Forging & Heat Treatment Way
Jiangsu Liangyi do all the forging production in house for Nimonic C263 / Alloy 263 / UNS N07263 forgings, from raw material melting to finished forging parts:
Nimonic C263 Open Die Forging — 6,000-Ton Hydraulic Forging Press, Jiangsu Liangyi Factory
30-ton Vacuum Oxygen Decarburization (VOD) + 2-ton Medium Frequency Induction Furnace (IM)
Strict impurity control, uniform chemical composition, high-purity molten alloy
2. Precision Forging
Electro-Hydraulic Forging Hammers (0.75 / 1 / 3 / 6 / 9-ton) for small and medium forgings
Hydraulic Forging Presses (2,000 / 4,000 / 6,000-ton) for large and heavy forgings
1–5-meter Seamless Ring Rolling Machines for custom seamless rolled rings
Multi-zone heat treatment furnaces to make heating uniform during forging.
3. Standard Heat Treatment for Nimonic C263
Solution Treatment: 1150°C (2102°F) for 1.5–2.5 hours, then water quenching (WQ) — produces uniform grain structure and dissolves secondary phases
Aging Treatment: ~800°C (1472°F) for 8 hours, then air cooling — precipitates coherent gamma prime (γ') strengthening phase
We can offer custom heat treatment per client technical manual or AMS 5886.
4. All Precision Machining In House
We can do CNC and traditional machining in house.And making precision machining on the final forged parts in house can get small tolerances to match clients' drawings — reducing costs for clients.
Nimonic C263 (Alloy 263 / UNS N07263) Full Chemical Composition
All Nimonic C263 raw materials and finished forgings are strictly tested for chemical composition using in-house spectrometry equipment to make sure accordance with ASTM B637 and AMS 5886:
Element
Symbol
Content (wt%)
Element
Symbol
Content (wt%)
Nickel
Ni
Balance
Cobalt
Co
19.0 – 21.0
Chromium
Cr
19.0 – 21.0
Molybdenum
Mo
5.6 – 6.1
Titanium
Ti
1.9 – 2.4
Aluminum
Al
0.3 – 0.7
Carbon
C
0.04 – 0.08
Manganese
Mn
max 0.60
Silicon
Si
max 0.40
Iron
Fe
max 0.70
Phosphorus
P
max 0.015
Sulfur
S
max 0.015
Boron
B
max 0.005
Copper
Cu
max 0.20
Other impurities (total)
max 0.10
Chemical Composition Testing & Certification
Real-time spectral analysis during steel melting — composition adjusted before casting
100% composition test on finished forgings; Unqualified material is rejected
Full Test Certificate (MTC) 3.1 / 3.2 will be provided with full elemental analysis data
Third-party inspection by SGS or Bureau Veritas (BV) will be offered if need.
UNS N07263 Forgings — Quality Control
Jiangsu Liangyi has a full-process quality management system for Nimonic C263 / Alloy 263 forgings, from raw material sourcing to final delivery:
1. Raw Material Inspection
Supplier qualification audit and certification check for all raw materials
Chemical composition and mechanical property testing before production.
Unqualified raw materials will be rejected.
2. Process Inspection
We will do real-time temperature check during forging and heat treatment
Size will be double-checked at each machining stage according to drawings
3. Final Product Inspection
Non-Destructive Testing (NDT)
Ultrasonic Testing (UT) — internal defect check per ASTM A388
Magnetic Particle Testing (MT) — surface and near-surface defect check
Radiographic Testing (RT) — for critical aerospace-grade parts
Physical & Chemical Testing
Chemical composition analysis (spectrometry)
Tensile, yield, and impact testing on specimens from each furnace
Metallographic inspection — grain size, phase distribution per ASTM E112
High-temperature tensile, creep, and friction-wear testing
4. Certification & After-Sales
ISO-9001:2015 certification
MTC 3.1 / 3.2 certifications issued per EN 10204
Unique heat lot traceability number for each batch
Third-party inspection (SGS / Bureau Veritas) if need
Professional after-sales technical team will help on issues
Nimonic C263 vs Other High-Temperature Alloys — Comparison
When choosing a nickel superalloy to make high-temperature forgings, we usually compare Nimonic C263 with Inconel 718, Hastelloy X, and Nimonic 80A. Main differences:
Property
Nimonic C263 (UNS N07263)
Inconel 718 (UNS N07718)
Hastelloy X (UNS N06002)
Nimonic 80A (UNS N07080)
Max Service Temp.
900°C (1650°F)
650°C (1200°F)
1175°C (2150°F)*
815°C (1500°F)
Tensile Strength (RT)
940 MPa
1275 MPa
785 MPa
1250 MPa
Elongation (%)
39%
12%
35%
20%
Weldability
Excellent
Good
Excellent
Moderate
Strain-Age Cracking Risk
Very Low
Moderate
Very Low
Moderate
Creep Resistance
Excellent (γ' strengthened)
Good
Moderate (solid solution)
Good (γ' strengthened)
Typical Standards
ASTM B637, AMS 5886
AMS 5663, ASTM B637
AMS 5536, ASTM B435
BS 3076 NA20
* Hastelloy X has good oxidation resistance but has lower strength at intermediate temperatures compared to C263.
Summary: Nimonic C263 is the best choice in industries which require high ductility, good resistance to strain-age cracking, and working temperatures about 750–900°C — especially for welded turbine assemblies and rotating parts.
Why is Jiangsu Liangyi Your Best Nimonic C263 Forgings Supplier?
Jiangsu Liangyi has over 25 years of forging experience.Our factory covers an area of 80,000㎡. As a direct manufacture, we can offer the most competitive prices for Nimonic C263 forging parts in China.Main advantages:
Large Production Capacity: 80,000 m² factory, 120,000-ton annual capacity, 30 kg–30,000 kg forging range
Advanced Equipment: We have advanced equipment in melting, forging, heat treatment, machining, and inspection
Nickel Alloy Experiene: 25+ years producing experience in nickel superalloys, according to ASTM / AMS / API / DIN / EN / JIS
Service: All in house,Steel melting → forging → heat treatment → machining → NDT inspection → delivery
Fully Custom: Custom forgings per clients' drawings and technical manuals; fast delivery
Global Reach: Export to 50+ countries; clients are in aerospace, power generation, and oil & gas industries
Nimonic C263 (also known as Alloy 263, UNS N07263) is an age-hardenable nickel-cobalt-chromium-molybdenum superalloy for industries which require continuous high-temperature up to 900°C (1650°F). It is gamma prime (γ') precipitation-strengthened, and has good tensile strength, creep resistance, and ductility which make it ideal for aerospace turbine parts, gas turbine blades, and steam turbine discs.
What are the mechanical properties of Nimonic C263 forgings?
In the precipitation hardened condition at room temperature: Tensile Strength — 940 MPa (136,000 psi); Yield Strength (0.2% offset) — 550 MPa (79,900 psi); Elongation at Break — 39%. The alloy have great properties under sustained loading at temperatures up to 900°C.
What standards are Nimonic C263 forgings accordance with?
Nimonic C263 forgings can be manufactured to ASTM B637, AMS 5886, and customers' other technical manuals. Mill test certificates (MTC) to EN 10204 3.1 or 3.2 are provided. Third-party inspection by SGS or Bureau Veritas (BV) is acceptable on request.
What shapes and sizes of Nimonic C263 forgings can be made?
Available shapes include forged bars, step shafts, seamless rolled rings, turbine discs, valve bodies, flanges, tube sheets, hollow bars, and custom profiles. Weight range: 30 kg to 30,000 kg. All shapes are custom-produced to client drawings.
What is the chemical composition of Nimonic C263 (UNS N07263)?
Nimonic C263 chemical composition (wt%): Ni – Balance; Co – 19.0–21.0%; Cr – 19.0–21.0%; Mo – 5.6–6.1%; Ti – 1.9–2.4%; Al – 0.3–0.7%; C – 0.04–0.08%; Mn – max 0.60%; Si – max 0.40%; Fe – max 0.70%; P – max 0.015%; S – max 0.015%; B – max 0.005%; Cu – max 0.20%.
What heat treatment way is suitable for Nimonic C263 forgings?
Standard heat treatment: (1) Solution Treatment at 1150°C (2102°F) for 1.5–2.5 hours and then water quenching; (2) Aging Treatment at ~800°C (1472°F) for 8 hours and then air cooling. This precipitation hardening cycle makes the gamma prime strengthening phase better to work best in high-temperature.
What industries are Nimonic C263 forged parts used?
Main industries: Aerospace (aircraft engine turbine blades, compressor discs, structural parts); Power Generation (gas and steam turbine discs, shafts, rings); Oil & Gas (high-pressure wellhead equipment, downhole tools); Industrial Machinery (high-temperature furnace and metallurgical equipment partss).
How do I get a quote for custom Nimonic C263 forgings?
Send your drawing, material, weight, quantity, required standard, and delivery time to [email protected], or contact via WhatsApp at +86-13585067993. Our technical team will respond within 24 hours. Website: https://www.jnmtforgedparts.com
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