Alloy 706，Inconel 706 Strip，UNS N09706，EFORU

British Specs:，American Specs:AMS 5701 Bar and Forgings AMS 5702 Bar and Forgings AMS 5703 Bar and Forgings AMS 5605 Sheet, Strip and Plate AMS 5606 Sheet, Strip and Plate，German Specs:

### **Product Datasheet: Alloy 706 (Inconel® 706) Strip // UNS N09706** --- #### **Material Overview** Alloy 706 is a precipitation-hardenable nickel-iron-chromium alloy supplied in strip form, offering an exceptional combination of high strength, excellent formability, and superior surface quality. The strip product provides precise dimensional tolerances and consistent mechanical properties for applications requiring thin, narrow coils with reliable performance up to 1300°F (704°C). --- #### **Chemical Composition (Weight %)** | Element | Minimum | Maximum | Element | Minimum | Maximum | |---------|---------|---------|---------|---------|---------| | Ni | 39.0 | 44.0 | Fe | 35.0 | 40.0 | | Cr | 14.5 | 17.5 | Nb | 2.5 | 3.3 | | Mo | - | 1.0 | Ti | 1.5 | 2.0 | | Al | 0.1 | 0.4 | C | - | 0.08 | | Mn | - | 0.50 | Si | - | 0.50 | | P | - | 0.03 | S | - | 0.02 | | Cu | - | 0.50 | B | - | 0.02 | --- #### **Physical Properties** | Property | Value (Metric) | Value (Imperial) | |----------|----------------|------------------| | Density | 8.05 g/cm³ | 0.291 lb/in³ | | Melting Range | 1365-1425°C | 2490-2600°F | | Thermal Conductivity (21°C) | 11.2 W/m·K | 7.8 Btu·in/hr·ft²·°F | | Mean Coefficient of Thermal Expansion (21-538°C) | 14.2 μm/m·K | 7.9 x 10⁻⁶ in/in/°F | | Modulus of Elasticity | 206 GPa | 29.9 x 10⁶ psi | | Electrical Resistivity | 1.12 μΩ·m | 44.1 μΩ·in | --- #### **Mechanical Properties (Typical)** | Temper | Thickness (mm) | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | |--------|----------------|------------------------|----------------------|----------------| | Annealed | 0.1-1.0 | 745-895 | 345-550 | 35-50 | | 1/4 Hard | 0.1-1.0 | 895-1035 | 690-860 | 20-30 | | 1/2 Hard | 0.1-1.0 | 1035-1170 | 860-1035 | 12-20 | | Full Hard | 0.1-1.0 | 1170-1310 | 1035-1170 | 8-15 | --- #### **International Specifications** **ASTM Standards:** - B443 - Nickel Alloy Plate, Sheet, and Strip - B906 - General Specification for Nickel Alloy Strip **Aerospace Standards:** - AMS 5599 - Sheet, Strip, and Plate - AMS 5703 - Bars, Forgings, and Rings **International Equivalents:** - UNS: N09706 - EN: NiCr15Fe7NbTi - DIN: 2.4696 - JIS: NCF 706 --- #### **Product Specifications** **Strip Dimensions:** - **Thickness**: 0.05 mm to 3.0 mm (0.002" to 0.118") - **Width**: 10 mm to 600 mm (0.394" to 23.6") - **Length**: Coils up to 2000 meters, cut lengths available **Tolerance Classes:** - **Thickness**: ±0.005 mm to ±0.03 mm - **Width**: ±0.1 mm to ±0.5 mm - **Camber**: 1 mm per meter maximum **Surface Finish:** - Bright Annealed (BA) - Cold Rolled Finish (2B) - Matte Finish - Special polished finishes available **Temper Conditions:** - Annealed (Soft) - 1/4 Hard - 1/2 Hard - 3/4 Hard - Full Hard --- #### **Heat Treatment** **Solution Annealing:** - 1700-1800°F (925-980°C) for 5-15 minutes, rapid cooling **Precipitation Aging:** - 1325°F (720°C) for 8 hours, furnace cool to 1150°F (620°C) - Hold at 1150°F (620°C) for 8 hours, air cool --- #### **Key Characteristics** - **Precise Dimensional Control**: Tight tolerances for high-precision applications - **Excellent Surface Quality**: Superior surface finish for critical applications - **High Strength in Thin Gauges**: Maintains mechanical properties in ultra-thin sections - **Good Formability**: Suitable for stamping, bending, and deep drawing - **Consistent Properties**: Uniform mechanical properties throughout coil length - **Excellent Flatness**: Superior flatness for precision manufacturing --- #### **Typical Applications** **Electronics & Electrical:** - Spring contacts and connectors - Lead frames - Battery components - Electrical contacts - Sensor elements **Aerospace & Defense:** - Flexible seals and gaskets - Instrumentation springs - Shimming materials - Thin-wall components - Vibration dampers **Industrial Equipment:** - Metal bellows - Diaphragms - Precision springs - Compensation strips - High-temperature gaskets **Medical Devices:** - Surgical instrument components - Implantable device parts - Diagnostic equipment springs - Medical fasteners - Orthodontic components **Automotive:** - Fuel injection components - Sensor mounting strips - Exhaust system shims - Turbocharger components - Electrical system parts --- #### **Fabrication & Processing** **Stamping & Blanking:** - Suitable for high-speed stamping - Clean edge quality - Minimal burr formation - Good die life characteristics **Forming Operations:** - **Minimum Bend Radius**: 1x thickness (annealed) - **Deep Drawing**: Excellent in annealed condition - **Coiling**: Suitable for spring manufacturing - **Embossing**: Good definition achievable **Joining Methods:** - Resistance welding - Laser welding - Electron beam welding - Brazing with compatible filler metals **Slitting & Cutting:** - Precision slitting available - Laser cutting recommended - Photo etching suitable - Waterjet cutting applicable --- #### **Quality Assurance** **Testing & Inspection:** - Dimensional verification - Surface roughness measurement - Flatness testing - Mechanical property testing - Edge condition inspection **Certification:** - Mill Test Certificate 3.1 per EN 10204 - Chemical Analysis Certificate - Mechanical Test Reports - Surface Quality Reports - Dimensional Inspection Reports **Special Requirements:** - Clean room packaging available - Custom slit widths - Special edge conditions (square, round, slit) - Protective coating options --- **Note:** *Inconel® is a registered trademark of Special Metals Corporation. All values are typical and may vary based on manufacturing process, heat treatment, and strip dimensions. Consult technical datasheets for application-specific recommendations.*

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 1774 gallon liquid totes Special package is available on request.