Nimonic 95 Nickel Alloy,Precipitation Hardening Alloy，1

### **Product Introduction: NIMONIC® Alloy 95** **NIMONIC® Alloy 95** is a precipitation-hardenable nickel-chromium-based superalloy that represents a significant advancement in high-temperature material technology. As part of the renowned Nimonic series, this alloy is specifically engineered to deliver exceptional mechanical strength and outstanding resistance to oxidation and corrosion at elevated temperatures up to 950°C (1742°F). The alloy achieves its superior properties through a sophisticated precipitation hardening mechanism, where carefully balanced additions of titanium and aluminum form coherent intermetallic compounds within the nickel-chromium matrix during heat treatment. This microstructural engineering provides an optimal combination of high-temperature strength, creep resistance, and thermal stability, making it an ideal choice for critical components in aerospace and power generation applications. --- ### **Chemical Composition** The chemical composition of Nimonic Alloy 95 is precisely controlled to achieve optimal precipitation hardening response and high-temperature performance: | Element | Content (%) | | :--- | :--- | | **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 | | **Molybdenum (Mo)** | 3.0 - 5.0 | | **Iron (Fe)** | 2.0 max | | **Carbon (C)** | 0.08 - 0.16 | | **Silicon (Si)** | 1.0 max | | **Manganese (Mn)** | 1.0 max | | **Boron (B)** | 0.003 - 0.010 | | **Zirconium (Zr)** | 0.02 - 0.10 | --- ### **Physical Properties** Nimonic Alloy 95 exhibits excellent physical properties suitable for high-temperature applications: | Property | Value | | :--- | :--- | | **Density** | 8.20 g/cm³ | | **Melting Point** | 1360-1415 °C | | **Thermal Conductivity** | 12.5 W/m·K (at 20°C) | | **Electrical Resistivity** | 1.30 μΩ·m | | **Modulus of Elasticity** | 225 GPa (at 20°C) | | **Coefficient of Thermal Expansion** | 13.8 μm/m·°C (20-800°C) | | **Specific Heat Capacity** | 460 J/kg·K | | **Magnetic Permeability** | <1.01 | --- ### **Mechanical Properties** The alloy demonstrates exceptional mechanical performance across elevated temperatures: **Room Temperature Properties (Aged Condition):** - **Tensile Strength:** 1200-1400 MPa - **Yield Strength (0.2% Offset):** 850-1000 MPa - **Elongation:** 15-25% - **Reduction of Area:** 20-30% - **Hardness:** 35-45 HRC **High-Temperature Capability:** - **Creep Rupture Strength (850°C/100h):** 250 MPa - **Fatigue Strength (800°C):** 400 MPa - **Stress Rupture Life (750°C/300MPa):** >500 hours --- ### **Heat Treatment** **Solution Treatment:** - Temperature: 1150-1180°C - Soaking Time: 2-4 hours - Cooling: Rapid air cooling or oil quenching **Aging Treatment:** - Primary Aging: 850-900°C for 4-8 hours, air cool - Secondary Aging: 700-750°C for 16-24 hours, air cool --- ### **Key Characteristics & Advantages** 1. **Exceptional High-Temperature Strength** - Maintains mechanical properties up to 950°C - Superior creep and stress rupture resistance - Excellent thermal fatigue performance 2. **Outstanding Environmental Resistance** - Excellent oxidation resistance up to 1100°C - Good resistance to hot corrosion and sulfidation - Stable microstructure during long-term exposure 3. **Excellent Mechanical Properties** - High tensile and yield strength - Good ductility and fracture toughness - Superior fatigue resistance 4. **Manufacturing Versatility** - Good hot workability and forgeability - Suitable for conventional machining processes - Can be welded using appropriate techniques --- ### **Product Applications** **Aerospace Industry:** - Gas turbine blades and vanes - Turbine disks and shafts - Combustion chamber components - Afterburner parts - Exhaust system assemblies **Power Generation:** - Gas turbine components - Turbine blades and disks - High-temperature fasteners - Heat exchanger components **Industrial Applications:** - Hot work tooling and dies - Nuclear reactor components - Chemical processing equipment - High-temperature springs --- ### **International Standards** Nimonic Alloy 95 conforms to major international specifications: | Standard Type | Standard Number | Description | | :--- | :--- | :--- | | **AMS** | 5841 | Aerospace Material Specification | | **BS** | HR 506 | British Standard | | **DIN** | 17742 | German Standard | | **Werkstoff** | 2.4634 | Material Number | | **ISO** | 9725 | International Standard | --- ### **Summary** **NIMONIC Alloy 95** represents a premium-grade precipitation-hardenable nickel-chromium superalloy offering exceptional high-temperature capabilities and mechanical performance. Its sophisticated composition, featuring optimized additions of cobalt, molybdenum, titanium, and aluminum, provides enhanced strength and stability for the most demanding high-temperature applications. The alloy's superior creep resistance, excellent oxidation resistance, and outstanding fatigue properties make it particularly valuable for critical rotating components in aerospace propulsion systems and power generation equipment. Compliance with major international standards ensures consistent quality and reliability, while its proven performance history provides confidence for engineers designing systems where material performance at extreme temperatures is paramount.

Packing of Standard Packing: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 3314 gallon liquid totes Special package is available on request.