Alloy 75,Nimonic 75 Strip,UNS N06075,E FORU

British Specs:BS HR5 Alloy 75 Bar BS HR203 Alloy 75 sheet BS HR403 Alloy 75 tube* BS HR504 Alloy 75 Bar (rivet)，American Specs:，German Specs:WS 2.4630 WS 2.4951,AFNOR NC 20T

### **Product Datasheet: Alloy 75 / Nimonic 75 Strip (UNS N06075)** **Alloy 75** (commercially known as **Nimonic 75**) strip is a nickel-chromium alloy supplied in thin, narrow coiled form, offering excellent oxidation resistance and good mechanical properties at high temperatures up to 950°C. This product form is specifically engineered for high-volume manufacturing applications requiring tight tolerances, consistent properties, and reliable performance in elevated temperature environments. --- #### **1. Chemical Composition** The chemical composition of Nimonic 75 strip is precisely controlled to ensure consistent performance: | Element | Content (%) | |:---|:---| | **Nickel (Ni)** | Balance | | **Chromium (Cr)** | 18.0 - 21.0 | | **Iron (Fe)** | 3.0 - 5.0 | | **Titanium (Ti)** | 0.2 - 0.6 | | **Carbon (C)** | 0.08 - 0.15 | | **Manganese (Mn)** | 1.0 max | | **Silicon (Si)** | 1.0 max | | **Copper (Cu)** | 0.5 max | | **Sulfur (S)** | 0.015 max | *Note: The carefully balanced composition provides excellent oxidation resistance through chromium content while maintaining good high-temperature strength and fabricability in thin strip form.* --- #### **2. Physical Properties** Nimonic 75 strip exhibits consistent physical properties: | Property | Value | |:---|:---| | **Density** | 8.31 g/cm³ (0.300 lb/in³) | | **Melting Range** | 1380 - 1425°C (2516 - 2597°F) | | **Coefficient of Thermal Expansion** | 14.5 × 10⁻⁶/°C (20-100°C) | | **Thermal Conductivity** | 12.0 W/m·K (at 100°C) | | **Specific Heat** | 460 J/kg·K (at 100°C) | | **Modulus of Elasticity** | 214 GPa (31 × 10⁶ psi) | | **Electrical Resistivity** | 1.12 μΩ·m | | **Magnetic Permeability** | <1.01 (essentially non-magnetic) | --- #### **3. Mechanical Properties** **Standard Mechanical Properties (Annealed Condition):** | Property | Value | |:---|:---| | **Tensile Strength** | 660-760 MPa (96-110 ksi) | | **Yield Strength (0.2% Offset)** | 290-380 MPa (42-55 ksi) | | **Elongation** | 40-50% | | **Hardness** | 80-90 HRB | **Properties by Temper Condition:** | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | |:---|:---|:---|:---| | **Annealed** | 660-760 | 290-380 | 40-50 | | **¼ Hard** | 760-860 | 550-650 | 20-30 | | **½ Hard** | 860-960 | 700-800 | 12-20 | | **Full Hard** | 960-1060 | 850-950 | 8-15 | --- #### **4. Product Specifications** **Available Forms & Sizes:** - **Thickness:** 0.05mm to 3.0mm (0.002" to 0.118") - **Width:** 3mm to 600mm (0.118" to 23.6") - **Coil Weight:** Up to 3000 kg - **Temper Conditions:** Annealed, ¼ Hard, ½ Hard, Full Hard - **Coil Dimensions:** ID 405/510mm, OD up to 1500mm **Surface Finishes:** - **2D:** Dull cold-rolled finish - **2B:** Bright cold-rolled finish - **BA:** Bright annealed - **Polished:** Various grit finishes (180-600 grit) - **Special:** Coated or plated surfaces available --- #### **5. Product Applications** **Aerospace Components:** - **Turbine Engine Seals:** High-temperature sealing strips - **Heat Shield Components:** Thermal protection elements - **Electrical Connectors:** High-temperature electrical contacts - **Instrumentation Parts:** Sensor and control system components **Electronic Applications:** - **Spring Contacts:** For high-temperature electronic devices - **Electrical Resistance Elements:** Heating element components - **Connector Components:** High-reliability electrical contacts - **Battery Components:** High-temperature battery interconnects **Industrial Applications:** - **Heat Treatment Fixtures:** Furnace component parts - **Sealing Elements:** High-temperature gaskets and seals - **Thermal Management:** Heat sink and thermal spreader components - **Support Elements:** High-temperature structural components **Automotive Industry:** - **Turbocharger Components:** Heat shield and seal strips - **Exhaust System Parts:** Mounting brackets and heat shields - **Sensor Components:** High-temperature sensor elements --- #### **6. International Standards** **Material Standards:** - **UNS N06075**: Unified Numbering System designation - **ASTM B168**: Standard for Nickel-Chromium-Aluminum Alloy Plate, Sheet, and Strip - **AMS 5755**: Aerospace Material Specification - **BS HR 501**: British Standard - **DIN 2.4951**: German Industrial Standard **Dimensional Standards:** - **ASTM B906**: Standard Guide for General Requirements for Flat-Rolled Nickel and Nickel Alloys - **ISO 9445**: Continuously cold-rolled stainless steel strip for springs - **MIL-S-22499D**: Shim Stock, Metallic, Corrosion Resistant **Quality & Testing Standards:** - **ASTM E8**: Standard Test Methods for Tension Testing - **ASTM E290**: Standard Test Methods for Bend Testing - **ASTM E345**: Standard Test Methods of Tension Testing of Metallic Foil --- #### **7. Heat Treatment** **Solution Annealing:** - **Temperature:** 1150-1180°C (2100-2150°F) - **Cooling:** Rapid air cool or controlled atmosphere - **Purpose:** To dissolve precipitated phases and optimize properties **Special Considerations for Strip:** - **Coil Annealing:** For consistent properties throughout coils - **Atmosphere Control:** To prevent surface oxidation - **Tension Leveling:** For superior flatness control --- #### **8. Oxidation & Corrosion Resistance** **Excellent Performance In:** - **High-Temperature Oxidation:** Up to 950°C continuous service - **Sulfur-Containing Atmospheres:** Good resistance to sulfidation - **Carburizing Environments:** Moderate resistance - **Thermal Cycling:** Good resistance to thermal fatigue **Oxidation Performance Data:** - **Continuous Service Temperature:** Up to 950°C (1742°F) - **Oxidation Rate:** <0.1 mm/year at 900°C (1652°F) - **Scale Adherence:** Excellent, with protective chromia scale --- #### **9. Fabrication Characteristics** **Forming Operations:** - **Blankability:** Excellent for precision blanking operations - **Bendability:** Minimum bend radius 1 × thickness - **Deep Drawing:** Good formability in annealed condition - **Stamping:** Suitable for high-volume production **Joining Methods:** - **Resistance Welding:** Excellent for thin sections - **Laser Welding:** Precision joining capability - **Brazing:** Compatible with various filler metals - **Adhesive Bonding:** Good surface for high-temperature adhesives --- #### **10. Quality Assurance** **Testing & Certification:** - **Chemical Analysis:** Certified mill test reports - **Mechanical Testing:** Tensile, hardness, springback tests - **Surface Inspection:** Visual and microscopic examination - **Dimensional Checks:** Thickness, width, camber, flatness - **Special Testing:** High-temperature performance tests **Quality Control Parameters:** - **Thickness Control:** ±2% for critical applications - **Width Control:** Precision slitting capabilities - **Surface Quality:** Defect-free surface requirements - **Edge Condition:** Burr-free edges specified - **Flatness:** Stringent flatness requirements --- #### **11. Key Advantages** * **Precision Tolerances:** Tight dimensional control for critical applications * **Excellent High-Temperature Performance:** Maintains properties up to 950°C * **Superior Oxidation Resistance:** Outstanding performance in high-temperature environments * **Excellent Formability:** Can be stamped, bent, and formed into complex shapes * **Consistent Properties:** Uniform mechanical properties throughout coil * **Cost-Effective:** Efficient material usage in strip form * **Industry Compliance:** Meets major international standards Nimonic 75 strip provides manufacturers with a high-precision material solution for applications requiring excellent oxidation resistance, precise dimensional control, and reliable performance in high-temperature environments, particularly where space constraints, weight considerations, and high-volume production are critical factors.

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 2047 gallon liquid totes Special package is available on request.