NIMONIC Alloy AP1,Nickel-Chromium Alloy，1

### **Product Introduction: NIMONIC® Alloy AP1** **NIMONIC® Alloy AP1** is a nickel-chromium-based superalloy developed for applications requiring excellent high-temperature strength and oxidation resistance. As part of the prestigious Nimonic alloy series, it maintains good mechanical properties at elevated temperatures while offering favorable fabricability characteristics for manufacturing complex components. This alloy is designed to provide reliable performance in demanding thermal environments, making it suitable for various aerospace and industrial applications where thermal stability and corrosion resistance are critical requirements. --- ### **Chemical Composition** The typical chemical composition of NIMONIC Alloy AP1 includes: | Element | Content (%) | |---------|-------------| | **Nickel (Ni)** | Balance | | **Chromium (Cr)** | 18.0 - 21.0 | | **Cobalt (Co)** | 15.0 - 20.0 | | **Molybdenum (Mo)** | 3.0 - 5.0 | | **Titanium (Ti)** | 2.0 - 3.0 | | **Aluminum (Al)** | 1.0 - 2.0 | | **Iron (Fe)** | 2.0 max | | **Carbon (C)** | 0.10 - 0.20 | | **Silicon (Si)** | 0.50 max | | **Manganese (Mn)** | 0.50 max | | **Boron (B)** | 0.003 - 0.010 | --- ### **Physical Properties** NIMONIC Alloy AP1 exhibits physical properties characteristic of nickel-chromium superalloys: | Property | Value | |----------|-------| | **Density** | 8.20 g/cm³ | | **Melting Point** | 1350-1400 °C | | **Thermal Conductivity** | 12.5 W/m·K (at 20°C) | | **Electrical Resistivity** | 1.25 μΩ·m | | **Modulus of Elasticity** | 220 GPa | | **Coefficient of Thermal Expansion** | 13.8 μm/m·°C (20-800°C) | | **Specific Heat Capacity** | 450 J/kg·K | | **Magnetic Response** | Essentially non-magnetic | --- ### **Mechanical Properties** The alloy demonstrates consistent mechanical performance across temperature ranges: **Room Temperature Properties (Heat Treated):** - **Tensile Strength:** 1000-1200 MPa - **Yield Strength (0.2% Offset):** 700-900 MPa - **Elongation:** 15-25% - **Reduction of Area:** 20-30% - **Hardness:** 30-40 HRC **High-Temperature Performance:** - **Service Temperature Range:** Up to 800°C - **Creep Resistance:** Good performance up to 750°C - **Thermal Fatigue:** Excellent resistance to thermal cycling --- ### **Heat Treatment** **Standard Heat Treatment Cycle:** - **Solution Treatment:** 1100-1150°C, 2-4 hours, air cool - **Aging Treatment:** 750-800°C, 8-16 hours, air cool **Special Considerations:** - Controlled cooling rates for optimal properties - Stress relief treatments available for complex components --- ### **Key Characteristics & Advantages** 1. **High-Temperature Performance** - Good creep resistance up to 750°C - Excellent oxidation resistance - Maintains mechanical properties at elevated temperatures 2. **Environmental Resistance** - Superior oxidation resistance up to 1000°C - Good corrosion resistance in various environments - Stable protective oxide layer formation 3. **Manufacturing Flexibility** - Good hot and cold workability - Suitable for conventional machining processes - Can be welded using appropriate techniques 4. **Microstructural Stability** - Resistant to phase transformation - Stable during long-term high-temperature exposure - Consistent performance across service life --- ### **Product Applications** **Aerospace Industry:** - Turbine blades and vanes - Combustion chamber components - Exhaust system parts - Engine structural components **Industrial Applications:** - Gas turbine components - High-temperature fasteners - Heat treatment fixtures - Industrial furnace parts **Power Generation:** - Turbine components - High-temperature bolting - Power plant equipment --- ### **International Standards** While specific standardized designations for AP1 may vary, Nimonic alloys typically conform to: | Standard Type | Typical Standards | |---------------|-------------------| | **Aerospace** | AMS specifications | | **British** | BS HR series | | **European** | EN standards | | **General** | Customer-specific specifications | --- ### **Summary** **NIMONIC Alloy AP1** represents a reliable nickel-chromium superalloy offering a balanced combination of high-temperature strength, oxidation resistance, and manufacturing versatility. Its optimized composition provides good mechanical properties at elevated temperatures while maintaining excellent environmental resistance. The alloy's capability to perform reliably in demanding thermal conditions makes it suitable for various critical components in aerospace and industrial applications. While specific international standards may vary by manufacturer and application, the alloy typically meets rigorous industry requirements for high-temperature performance, providing engineers with a dependable material solution for challenging thermal environments where reliability and long-term performance are essential.

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 3323 gallon liquid totes Special package is available on request.