NIMONIC Alloy PE16,BS HR55, HR207; AFNOR NW 11 AC，1

### **Product Introduction: NIMONIC® Alloy PE16** **NIMONIC® Alloy PE16** is a precipitation-hardenable nickel-chromium-iron alloy distinguished by its excellent combination of high-temperature strength, good fabricability, and outstanding resistance to oxidation and corrosion. As part of the Nimonic series, this alloy is particularly notable for its controlled cobalt content and enhanced microstructural stability, making it suitable for both aerospace and nuclear applications where long-term reliability at elevated temperatures is essential. The alloy maintains excellent mechanical properties up to 750°C (1382°F) and offers good creep resistance combined with superior thermal stability. Its balanced composition provides an optimal mix of strength, ductility, and environmental resistance, making it a versatile choice for various high-temperature components. --- ### **Chemical Composition** The chemical composition is carefully controlled to achieve optimal performance characteristics: | Element | Content (%) | |---------|-------------| | **Nickel (Ni)** | Balance | | **Chromium (Cr)** | 15.0 - 17.0 | | **Iron (Fe)** | 32.0 - 38.0 | | **Molybdenum (Mo)** | 2.8 - 3.5 | | **Titanium (Ti)** | 1.0 - 1.6 | | **Aluminum (Al)** | 1.0 - 1.6 | | **Carbon (C)** | 0.05 - 0.10 | | **Silicon (Si)** | 0.50 max | | **Manganese (Mn)** | 0.50 max | | **Cobalt (Co)** | 1.0 - 2.0 | | **Boron (B)** | 0.003 - 0.010 | --- ### **Physical Properties** NIMONIC Alloy PE16 exhibits well-balanced physical properties: | Property | Value | |----------|-------| | **Density** | 8.05 g/cm³ | | **Melting Point** | 1360-1410 °C | | **Thermal Conductivity** | 13.5 W/m·K (at 20°C) | | **Electrical Resistivity** | 1.15 μΩ·m | | **Modulus of Elasticity** | 210 GPa | | **Coefficient of Thermal Expansion** | 14.8 μm/m·°C (20-800°C) | | **Specific Heat Capacity** | 460 J/kg·K | | **Magnetic Response** | Slightly magnetic | --- ### **Mechanical Properties** The alloy demonstrates consistent mechanical performance: **Room Temperature Properties (Solution Treated and Aged):** - **Tensile Strength:** 850-1050 MPa - **Yield Strength (0.2% Offset):** 550-750 MPa - **Elongation:** 20-30% - **Reduction of Area:** 25-35% - **Hardness:** 25-35 HRC **High-Temperature Performance:** - **Creep Rupture Strength (700°C/100h):** 180 MPa - **Fatigue Strength (650°C):** 240 MPa - **Stress Rupture Life (750°C/100MPa):** >500 hours --- ### **Heat Treatment** **Standard Heat Treatment:** - **Solution Treatment:** 1050-1100°C, 2-4 hours, air cool - **Aging Treatment:** 700-750°C, 8-16 hours, air cool **Special Considerations:** - Controlled cooling rates for optimal properties - Double aging treatments available for specific requirements --- ### **Key Characteristics & Advantages** 1. **Excellent High-Temperature Capability** - Good creep resistance up to 750°C - Maintains mechanical properties during prolonged exposure - Superior thermal fatigue resistance 2. **Outstanding Environmental Resistance** - Excellent oxidation resistance up to 1000°C - Good corrosion resistance in various environments - Stable protective oxide layer formation 3. **Superior Fabricability** - Excellent hot and cold workability - Good machinability in heat-treated condition - Suitable for conventional welding processes 4. **Controlled Composition** - Low cobalt content for nuclear applications - Stable microstructure during long-term service - Consistent performance across batches --- ### **Product Applications** **Aerospace Industry:** - Turbine blades and disks - Compressor components - Engine structural parts - Exhaust system components **Nuclear Industry:** - Reactor core components - Fuel element supports - Nuclear vessel internals - Control rod mechanisms **Industrial Applications:** - Gas turbine components - Heat exchangers - High-temperature fasteners - Industrial furnace parts --- ### **International Standards** NIMONIC Alloy PE16 is recognized under the following international specifications: | Standard Type | Standard Number | Description | |---------------|-----------------|-------------| | **BS** | HR55, HR207 | British Standards | | **AFNOR** | NW 11 AC | French Standard | --- ### **Summary** **NIMONIC Alloy PE16** represents a highly versatile nickel-chromium-iron superalloy that offers an excellent balance of high-temperature strength, environmental resistance, and manufacturing flexibility. Its unique composition, featuring controlled iron and cobalt content, provides reliable performance for both conventional high-temperature applications and specialized nuclear components. The alloy's capability to maintain mechanical integrity at temperatures up to 750°C, combined with its superior fabricability and stable microstructure, makes it a preferred choice for critical components in aerospace, nuclear, and industrial sectors. Certification to established British and French standards ensures consistent quality and performance, providing engineers with a dependable material solution for demanding applications where long-term reliability and consistent performance are paramount requirements.

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 3321 gallon liquid totes Special package is available on request.