Alloy 700,Inconel 700 Other/Similar Specs,,E FORU

British Specs:，American Specs:，German Specs:

### **Product Introduction: Alloy 700 / INCONEL® 700 & Related Specifications** #### **Overview** INCONEL® 700 (Alloy 700) represents a class of high-performance nickel-chromium superalloys designed for extreme temperature service. This comprehensive guide covers the standard specifications as well as comparable and alternative alloys to assist in material selection and cross-referencing for critical high-temperature applications. --- ### **Standard Specification: INCONEL® 700 (UNS N07700)** #### **Key Characteristics** - Precipitation-hardenable nickel-chromium alloy - Maximum service temperature: 980°C (1800°F) - Exceptional oxidation resistance and high-temperature strength - Good stability against sigma phase formation #### **Chemical Composition (Typical % Weight)** | Element | Content (%) | |---------|-------------| | **Nickel (Ni)** | Balance | | **Chromium (Cr)** | 14.0-17.0 | | **Molybdenum (Mo)** | 3.25-4.25 | | **Titanium (Ti)** | 2.25-2.75 | | **Aluminum (Al)** | 2.25-2.75 | | **Iron (Fe)** | 1.0 max | | **Cobalt (Co)** | 1.0 max | | **Carbon (C)** | 0.12 max | | **Boron (B)** | 0.006-0.015 | | **Manganese (Mn)** | 0.50 max | | **Silicon (Si)** | 0.50 max | #### **Physical Properties** | Property | Value | |---------|-------| | **Density** | 7.81 g/cm³ | | **Melting Range** | 1330-1360°C | | **Thermal Conductivity** | 14.2 W/m·K at 20°C | | **Thermal Expansion** | 13.7 μm/m·K at 20-100°C | | **Modulus of Elasticity** | 214 GPa | --- ### **International Standard Designations** #### **Primary Specifications** | Standard | Designation | |----------|-------------| | **UNS** | N07700 | | **ASTM** | B168 (Sheet/Plate), B166 (Bar), B167 (Tube) | | **AMS** | 5547 (Sheet/Strip), 5700 (Forgings) | | **EN** | 2.4953 | | **DIN** | NiCr15Fe7MoTiAl | #### **Industry-Specific Specifications** - **Aerospace:** AMS 5547, AMS 5700 - **Nuclear:** ASME Section III - **Military:** MIL-N-894 - **Pressure Vessel:** ASME SB-168 --- ### **Similar & Alternative Alloys** #### **Direct Competitors** **INCONEL 718 (UNS N07718)** - **Comparison:** Better weldability, lower cost - **Limitation:** Lower maximum service temperature (700°C) - **Applications:** Jet engine components, high-temperature fasteners **INCONEL X-750 (UNS N07750)** - **Comparison:** Similar precipitation hardening characteristics - **Advantage:** Better stress rupture properties at intermediate temperatures - **Applications:** Gas turbine parts, rocket engine components **WASPALOY (UNS N07001)** - **Comparison:** Higher temperature capability (up to 870°C) - **Advantage:** Superior creep strength - **Applications:** Turbine blades, discs, and seals #### **Alternative Materials by Application** **For Higher Temperature Service:** - **INCONEL 617** (up to 1100°C) - **HAYNES 230** (up to 1175°C) - **INCONEL 740H** (ultra-supercritical applications) **For Better Corrosion Resistance:** - **INCONEL 625** (superior pitting and crevice corrosion resistance) - **HASTELLOY C-276** (excellent reducing corrosion resistance) **For Improved Fabricability:** - **INCONEL 600** (good general purpose, non-age-hardenable) - **INCONEL 601** (better oxidation resistance, non-age-hardenable) --- ### **Comparative Analysis** #### **Mechanical Properties Comparison** | Alloy | Tensile Strength (MPa) | Yield Strength (MPa) | Max Service Temp (°C) | |-------|------------------------|----------------------|----------------------| | **INCONEL 700** | 1200-1350 | 830-1000 | 980 | | **INCONEL 718** | 1240-1380 | 1030-1100 | 700 | | **INCONEL X-750** | 1140-1240 | 690-830 | 815 | | **WASPALOY** | 1260-1340 | 830-1000 | 870 | #### **Cost-Performance Analysis** | Alloy | Relative Cost | Key Advantage | Best Application | |-------|---------------|---------------|------------------| | **INCONEL 700** | High | High-temperature strength | Turbine discs | | **INCONEL 718** | Medium | Fabricability & strength | Complex components | | **INCONEL X-750** | Medium-High | Stress rupture strength | Springs, fasteners | | **WASPALOY** | High | Creep resistance | Turbine blades | --- ### **Specialized Variants & Modifications** #### **Proprietary Modifications** - **INCONEL 700A**: Enhanced version with improved thermal stability - **INCONEL 700 Plus**: Modified chemistry for specific applications #### **Industry-Specific Grades** - **Aerospace Grade**: Enhanced cleanliness and property consistency - **Nuclear Grade**: Controlled cobalt and boron content - **Commercial Grade**: Standard industrial specifications --- ### **Global Equivalents & Cross-References** | Country/Region | Equivalent Designation | |----------------|------------------------| | **United States** | UNS N07700, AMS 5547 | | **Europe** | EN 2.4953, NiCr15Fe7MoTiAl | | **Germany** | DIN 2.4953, W.Nr. 2.4953 | | **Japan** | JIS NCF 80A | | **China** | GB GH80A | --- ### **Selection Guidelines** #### **Choose INCONEL 700 When:** - Operating temperatures exceed 815°C (1500°F) - Maximum high-temperature strength is required - Oxidation resistance at extreme temperatures is critical - Component will see thermal cycling conditions #### **Consider Alternatives When:** - **Cost is primary concern**: INCONEL 718 - **Weldability is critical**: INCONEL 625 or 718 - **Higher temperatures needed**: HAYNES 230 or INCONEL 617 - **Better corrosion resistance required**: INCONEL 625 or HASTELLOY C-276 --- ### **Emerging Alternatives & Future Developments** #### **New Generation Alloys** - **INCONEL 740H**: For ultra-supercritical power plants - **RENE 65**: Higher strength derivative for aerospace - **VDM 780**: New premium alloy with improved properties #### **Development Trends** - Improved temperature capability - Enhanced environmental resistance - Better fabricability and reduced cost - Improved recyclability and sustainability --- ### **Regulatory & Compliance Information** #### **Industry Certifications** - **Aerospace**: NADCAP accredited processing - **Nuclear**: NPT compliance for nuclear applications - **Medical**: ISO 13485 for medical applications - **Quality**: ISO 9001, AS9100 certification #### **Environmental Compliance** - **RoHS**: Compliant - **REACH**: Registered - **Conflict Minerals**: DRC conflict-free --- ### **Technical Support & Resources** #### **Available Services** - Material selection assistance - Technical data sheets and specifications - Fabrication process recommendations - Failure analysis and troubleshooting #### **Documentation** - Certified Material Test Reports - Material Safety Data Sheets - Process specification compliance certificates - Origin and traceability documentation --- ### **Why Consider INCONEL 700 & Alternatives?** - **Proven Performance**: Decades of successful application history - **Comprehensive Support**: Complete technical documentation - **Quality Assurance**: Multiple certification options - **Global Availability**: Worldwide supply chain - **Technical Expertise**: Access to application engineering **Contact our technical team for assistance in selecting the optimal high-temperature alloy for your specific application requirements.** --- *Disclaimer: INCONEL® is a registered trademark of Special Metals Corporation. All information provided is for technical reference only. Final material selection should be verified through appropriate testing and engineering analysis for specific applications. Specifications are subject to change without notice.*

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 2973 gallon liquid totes Special package is available on request.