Alloy 700,Inconel 700 ,,E FORU

British Specs:，American Specs:，German Specs:

### **Product Introduction: Alloy 700 / INCONEL® 700** #### **Overview** INCONEL® 700 (also known as Alloy 700) is a precipitation-hardenable nickel-chromium alloy developed for exceptional high-temperature strength and oxidation resistance. Originally designed for gas turbine components, this alloy maintains excellent mechanical properties at temperatures up to 1800°F (980°C) and offers good stability in oxidizing environments. --- ### **Key Features & Advantages** - **Excellent High-Temperature Strength:** Maintains high tensile and creep-rupture strength at elevated temperatures - **Outstanding Oxidation Resistance:** Resists oxidation up to 1800°F (980°C) - **Precipitation Hardenable:** Can be heat treated to achieve optimal mechanical properties - **Good Microstructural Stability:** Resists phase transformation during long-term exposure at high temperatures - **Excellent Stress-Rupture Properties:** Ideal for high-stress applications in turbine engines --- ### **Chemical Composition (Typical % Weight)** | Element | Content (%) | |---------|-------------| | **Nickel (Ni)** | Balance | | **Chromium (Cr)** | 14.0-17.0 | | **Cobalt (Co)** | 1.0 max | | **Molybdenum (Mo)** | 3.25-4.25 | | **Titanium (Ti)** | 2.25-2.75 | | **Aluminum (Al)** | 2.25-2.75 | | **Iron (Fe)** | 1.0 max | | **Manganese (Mn)** | 0.50 max | | **Silicon (Si)** | 0.50 max | | **Carbon (C)** | 0.12 max | | **Boron (B)** | 0.006-0.015 | | **Copper (Cu)** | 0.50 max | --- ### **Physical Properties** | Property | Value | |---------|-------| | **Density** | 7.81 g/cm³ (0.282 lb/in³) | | **Melting Point** | 1330-1360°C (2425-2480°F) | | **Specific Heat** | 456 J/kg·K at 20°C | | **Thermal Conductivity** | 14.2 W/m·K at 20°C | | **Thermal Expansion** | 13.7 μm/m·K at 20-100°C | | **Magnetic Permeability** | Essentially non-magnetic | --- ### **Mechanical Properties** #### **Room Temperature Properties (Heat Treated Condition)** | Property | Value | |---------|-------| | **Tensile Strength** | 1240-1380 MPa (180-200 ksi) | | **Yield Strength (0.2% Offset)** | 860-1030 MPa (125-150 ksi) | | **Elongation** | 15-25% | | **Reduction of Area** | 20-35% | | **Hardness** | HRC 32-40 | #### **Elevated Temperature Properties** - **Stress-Rupture Strength:** 170 MPa (25 ksi) at 815°C (1500°F) for 100 hours - **Creep Strength:** Excellent resistance to creep deformation at high temperatures - **Thermal Fatigue Resistance:** Good resistance to thermal cycling conditions --- ### **International Standards** | Standard | Specification | |----------|---------------| | **UNS** | N07700 | | **ASTM** | B637 (Rod, Bar, Forgings) | | **AMS** | AMS 5547 (Sheet, Strip, Plate) | | **AECMA** | PrEN 2952 (European Standard) | | **Proprietary** | INCONEL® Alloy 700 | --- ### **Heat Treatment** **Standard Heat Treatment:** 1. **Solution Treatment:** 1800-1850°F (980-1010°C) followed by rapid cooling 2. **Aging:** 1300-1400°F (705-760°C) for 16-24 hours, air cool **Optional Treatments:** - Double aging treatments for optimized properties - Stress relief annealing at 1300-1400°F (705-760°C) --- ### **Product Applications** #### **Aerospace & Gas Turbines** - Turbine blades and vanes - Turbine disks and wheels - Combustion chamber components - Afterburner parts - Exhaust system components #### **Industrial Applications** - High-temperature fasteners and bolts - Nuclear reactor components - Heat treatment fixtures - Chemical processing equipment in high-temperature service - Test equipment for high-temperature environments --- ### **Fabrication Characteristics** #### **Machining** - Similar to other precipitation-hardenable nickel-based alloys - Requires rigid setups and positive rake angles - Recommended use of carbide tools with heavy feeds and slow speeds - Adequate cooling and lubrication essential #### **Welding** - Weldable using gas tungsten arc welding (GTAW/TIG) - Post-weld heat treatment recommended for optimal properties - Matching filler metals available - Preheating generally not required #### **Forming** - Can be formed in annealed condition - Hot forming preferred for complex shapes - Good ductility in solution annealed condition --- ### **Comparison with Similar Alloys** | Property | INCONEL 700 | INCONEL 718 | INCONEL X-750 | |----------|-------------|-------------|---------------| | **Max Service Temperature** | 980°C (1800°F) | 700°C (1300°F) | 815°C (1500°F) | | **Strength at 650°C** | Excellent | Very Good | Good | | **Oxidation Resistance** | Excellent | Good | Very Good | | **Fabricability** | Good | Excellent | Very Good | --- ### **Available Product Forms** - Bar and rod - Sheet, strip, and plate - Forgings and rings - Wire and filler metal - Billet for machining --- ### **Quality Assurance** - **Certification:** All material supplied with full traceability and certification - **Testing:** Comprehensive testing including chemical analysis, mechanical testing, and non-destructive examination - **Compliance:** Meets all requirements of applicable ASTM, AMS, and customer specifications **Note:** INCONEL® 700 represents an important class of high-temperature alloys that continues to find application in critical high-temperature environments where strength and oxidation resistance are paramount. --- ***Disclaimer:*** *INCONEL® is a registered trademark of Special Metals Corporation. The information provided is for reference purposes. Specific application suitability must be determined through appropriate testing and engineering analysis.*

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 2963 gallon liquid totes Special package is available on request.