Xi'an Dongmeng Group Co., Ltd. is one of the most reliable manufacturers and suppliers of Nimonic 90 Alloy Bar, Plate, Pipe & Forgings Manufacturer | UNS N07090 Nickel Superalloy Supplier in China, also supports customized service. With abundant experience, we warmly welcome you to wholesale cheap products in stock here and get free sample from our factory. For price consultation, contact us.
As a specialist in high-performance materials, we provide NIMONIC alloy 90 (UNS N07090 / W. Nr. 2.4632), a premier nickel-chromium-cobalt superalloy engineered for exceptional strength and corrosion resistance at elevated temperatures up to 920°C (1688°F). This precipitation-hardenable alloy is the benchmark for demanding applications in aerospace, industrial gas turbines, and turbocharger systems, where its superior creep rupture strength and outstanding oxidation resistance ensure long-term reliability and performance. If your projects involve critical components like turbine blades, discs, rings, or high-integrity fasteners, NIMONIC 90 offers the proven metallurgical stability to maximize service life under extreme thermal and mechanical stress. Partner with us for expert technical support and reliable supply of this industry-leading superalloy.
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NIMONIC alloy 90 (UNS N07090/W. Nr. 2.4632)Overview
Nimonic 90 alloy is a precipitation-hardened nickel-chromium-cobalt superalloy specifically engineered for elevated temperature environments requiring outstanding creep resistance, tensile strength, and oxidation resistance.
This advanced nickel alloy is widely used in aerospace engines, gas turbine blades, hot-section fasteners, combustion chambers, industrial furnace systems, and high-temperature structural components operating under severe thermal stress conditions.
Compared with conventional nickel alloys, Nimonic 90 nickel alloy provides superior long-term stability at temperatures up to 920°C, making it one of the preferred materials for critical rotating and static turbine components.
At Xi'an Dongmeng Group Co., Ltd, we manufacture and export premium-quality Nimonic 90 alloy products with strict metallurgical control, full traceability, and third-party inspection support for global industrial buyers.
Key Features of Nimonic 90 Alloy
Exceptional High-Temperature Strength
Nimonic 90 maintains excellent mechanical integrity and creep rupture resistance under continuous thermal exposure.
Outstanding Oxidation Resistance
The high chromium content provides strong resistance against oxidation and scaling in elevated temperature atmospheres.
Excellent Fatigue Resistance
Suitable for cyclic thermal loading applications such as gas turbines and aerospace engine systems.
Good Corrosion Resistance
Performs reliably in oxidizing industrial environments and high-temperature combustion systems.
Excellent Machinability After Heat Treatment
Supports precision CNC machining for aerospace-grade dimensional tolerance requirements.
Chemical Composition
| Element | Composition (%) |
|---|---|
| Nickel (Ni) | Balance |
| Chromium (Cr) | 18.0 – 21.0 |
| Cobalt (Co) | 15.0 – 21.0 |
| Titanium (Ti) | 2.0 – 3.0 |
| Aluminum (Al) | 1.0 – 2.0 |
| Carbon (C) | ≤ 0.13 |
| Iron (Fe) | ≤ 1.5 |
| Silicon (Si) | ≤ 1.0 |
| Manganese (Mn) | ≤ 1.0 |
| Sulfur (S) | ≤ 0.015 |
| Copper (Cu) | ≤ 0.2 |
Mechanical Properties of Nimonic 90 Alloy
| Property | Typical Value |
|---|---|
| Tensile Strength | ≥ 1250 MPa |
| Yield Strength | ≥ 780 MPa |
| Elongation | ≥ 15% |
| Hardness | 320 – 380 HB |
| Creep Resistance | Excellent |
| Fatigue Resistance | Excellent |
Physical Properties of Nimonic 90 Alloy
| Property | Value |
|---|---|
| Density | 8.18 g/cm³ |
| Melting Range | 1320 – 1365°C |
| Thermal Conductivity | 11.5 W/m·K |
| Electrical Resistivity | 1.18 µΩ·m |
| Specific Heat | 435 J/kg·K |
| Magnetic Property | Non-Magnetic |
Machining Performance Analysis
CNC Machining Characteristics
Nimonic 90 alloy is classified as a difficult-to-machine superalloy due to its high work hardening rate and elevated hot strength. However, with optimized tooling geometry and controlled cutting parameters, excellent machining precision can be achieved.
Recommended Machining Methods
CNC Turning
Precision Milling
Deep Hole Drilling
Thread Machining
High-Speed Grinding
EDM Processing
Machining Recommendations
Use carbide or ceramic cutting tools
Maintain low cutting speed
Apply high-pressure coolant
Reduce vibration during machining
Conduct stress relief heat treatment if necessary
Xi'an Dongmeng Group Co., Ltd provides customized CNC machining services for aerospace and turbine-grade Nimonic 90 components.
Welding Performance Analysis
Nimonic 90 alloy offers relatively good weldability among precipitation-strengthened nickel superalloys when proper welding procedures are followed.
Recommended Welding Processes
TIG Welding (GTAW)
MIG Welding (GMAW)
Plasma Arc Welding
Electron Beam Welding
Welding Precautions
Pre-clean all welding surfaces
Control interpass temperature
Use matching filler materials
Perform post-weld heat treatment if required
Minimize heat input to prevent cracking
Corrosion & Oxidation Resistance Analysis
Nimonic 90 demonstrates excellent resistance to oxidation, scaling, and hot corrosion in elevated temperature environments.
Corrosion Resistance Advantages
Resistant to high-temperature oxidation
Stable under combustion gas exposure
Good resistance to thermal fatigue
Excellent anti-scaling capability
Long-term structural stability
Typical Service Environments
Gas turbine hot sections
Aerospace combustion systems
Industrial heat treatment furnaces
Petrochemical cracking units
High-temperature reactor systems
Industry Applications of Nimonic 90 Alloy
Aerospace Industry
Applications
Turbine blades
Exhaust valves
Combustion chambers
Turbine discs
Aerospace fasteners
Benefits
High creep strength
Thermal fatigue resistance
Reliable high-temperature stability
Industrial Furnace Industry
Applications
Furnace fixtures
Heat treatment trays
Radiant tubes
High-temperature supports
Thermal processing systems
Benefits
Excellent scaling resistance
High-temperature durability
Reduced maintenance costs
Gas Turbine Industry
Applications
Turbine rotor components
Hot gas ducts
Retainer rings
Turbine seals
Heat shields
Benefits
Oxidation resistance
Long service life
Stable structural performance
Power Generation Industry
Applications
Steam turbine components
Boiler accessories
High-temperature fasteners
Exhaust systems
Thermal energy equipment
Benefits
Long-term reliability
Excellent fatigue strength
Stable metallurgical structure
Nimonic 90 Alloy Product Specifications
| Product Form | Size Range |
|---|---|
| Round Bar | 6 mm – 600 mm (0.24" – 24") |
| Plate | 3 mm – 120 mm (0.12" – 4.72") |
| Sheet | 0.5 mm – 20 mm (0.02" – 0.79") |
| Pipe | OD 6 mm – 610 mm |
| Tube | OD 4 mm – 219 mm |
| Forgings | Customized |
| Wire | 0.1 mm – 12 mm |
Available Surface Finishes
Hot Rolled
Cold Rolled
Bright Annealed
Polished
Pickled
Precision Machined
Heat Treatment
The heat treatments recommended are as follows:
Bar 8 h/1080°C(1975°F)/AC + 16 h/700°C (1290°F)/AC
Sheet 3 min/1150°C(2100°F)/FBQ or WQ + 1 h/925°C(1700°F)/AC + 4 h/750°C (1380°F)/AC
Welded sheet 3 min/1150°C(2100°F)/FBQ or WQ + weld + 1 h/925°C(1700°F)/AC + 4 h/750°C(1380°F)/AC
Interstage anneal of sheet 20 min/1040°C (1900°F)/AC or WQ
The data for sheet has been obtained from material is given a second stage interstage anneal (20 min/1040°C(1900°F)/AC), which is purely a softening treatment. Improved tensile and rupture ductility can be achieved by using 1 h/925°C(1700°F)/AC as the second stage heat treatment.
Production Capability
Xi'an Dongmeng Group Co., Ltd operates a complete industrial production system for nickel alloy manufacturing and deep processing.
Manufacturing Capabilities
Vacuum Induction Melting (VIM)
ESR Refining
Hot Rolling
Cold Drawing
Ring Rolling
Precision Forging
CNC Machining
Solution Heat Treatment
Aging Treatment
Export Markets
United States
Germany
Italy
Turkey
South Korea
UAE
Saudi Arabia
Southeast Asia
Inspection & Quality Assurance
We implement strict metallurgical quality control systems to ensure every batch of Nimonic 90 alloy meets international industrial standards.
Inspection Procedures
PMI Testing
Chemical Composition Analysis
Ultrasonic Testing (UT)
Eddy Current Testing (ET)
Tensile Testing
Hardness Testing
Grain Structure Analysis
Dimensional Inspection
Surface Quality Inspection
Third-Party Inspection Support
SGS
TUV
BV
Intertek
Mill Test Certificates (EN 10204 3.1 / 3.2) are available upon request.
Packaging & Shipping
Export Packaging Standards
Waterproof Packaging
Fumigation Wooden Cases
Anti-Rust Protection
End Caps Protection
Steel Frame Reinforcement
Customized Export Labels
Shipping Methods
Sea Freight
Air Freight
Railway Transport
Express Logistics
We support global industrial export delivery with professional packaging solutions for long-distance transportation safety.
Why Choose Us
Professional Nickel Alloy Manufacturer
More than industrial trading capability - we provide integrated manufacturing and processing solutions.
Strict Quality Traceability
Every order includes complete material traceability and inspection documentation.
OEM & Custom Processing Support
Custom dimensions, forged parts, CNC machining, and special tolerance requirements are supported.
Fast Delivery Capability
Stable raw material inventory and efficient production scheduling ensure fast lead times.
Global B2B Export Experience
Rich experience serving aerospace, petrochemical, power generation, and industrial equipment manufacturers worldwide.
FAQ
What is Nimonic 90 alloy used for?
Nimonic 90 alloy is mainly used in aerospace engines, gas turbines, furnace systems, and other high-temperature applications requiring exceptional creep and oxidation resistance.
Is Nimonic 90 suitable for turbine applications?
Yes. Nimonic 90 is widely used for turbine blades, discs, seals, and hot-section components due to its excellent thermal stability.
Can you provide CNC machined Nimonic 90 parts?
Yes. Xi'an Dongmeng Group Co., Ltd provides custom CNC machining, forging, cutting, and fabrication services.
What certifications can you provide?
We can provide EN 10204 3.1 certificates and support SGS, TUV, BV, or third-party inspections.
What product forms are available?
We supply bars, rods, plates, sheets, pipes, tubes, forgings, flanges, rings, and custom machined components.
Is Nimonic 90 difficult to machine?
As a nickel superalloy, it requires optimized machining parameters and specialized tooling, but precision machining is achievable.
What is the delivery time?
Standard stock sizes can typically be delivered quickly, while customized products depend on processing complexity and order quantity.
Do you support global export shipping?
Yes. We export globally and support professional industrial export packaging and logistics solutions.
Contact Us
Xi'an Dongmeng Group Co., Ltd
Professional Nickel Alloy & Special Metal Materials Manufacturer
Phone / WhatsApp / WeChat: +8615769214734
Email: office@dongmjd.com
Custom sizes, OEM processing, CNC machining, forging services, and global export support are available.
Send us your drawings or technical requirements for a fast quotation.
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