Alloy 75,Nimonic 75 Wire,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 Wire (UNS N06075)** **Alloy 75** (commercially known as **Nimonic 75**) wire is a nickel-chromium alloy supplied in wire form, offering excellent oxidation resistance and good mechanical properties at high temperatures up to 950°C. This product form is specifically designed for welding consumables, fastener manufacturing, spring production, and other applications requiring the unique properties of Nimonic 75 in a versatile wire geometry. --- #### **1. Chemical Composition** The chemical composition of Nimonic 75 wire 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 wire form.* --- #### **2. Physical Properties** Nimonic 75 wire 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 (Solution Annealed Condition):** | Property | Value | |:---|:---| | **Tensile Strength** | 690-790 MPa (100-115 ksi) | | **Yield Strength (0.2% Offset)** | 310-410 MPa (45-60 ksi) | | **Elongation** | 40-50% | | **Reduction of Area** | 55-65% | | **Hardness** | 80-90 HRB | **Properties by Temper Condition:** | Temper Condition | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | |:---|:---|:---|:---| | **Annealed** | 690-790 | 310-410 | 40-50 | | **¼ Hard** | 790-890 | 550-650 | 20-30 | | **½ Hard** | 890-990 | 700-800 | 15-25 | | **Full Hard** | 990-1090 | 850-950 | 10-20 | --- #### **4. Product Specifications** **Available Forms & Sizes:** - **Diameter Range:** 0.10 mm to 10.0 mm (0.004" to 0.394") - **Spool Sizes:** 1 kg to 200 kg spools - **Straight Lengths:** 1.0 m to 6.0 m available - **Surface Finish:** Bright, cleaned, coated **Wire Types:** - **Welding Wire:** AWS A5.14 ERNiCr-3 classification - **Fastener Wire:** For high-temperature bolt and screw manufacturing - **Spring Wire:** High-temperature spring applications - **Forming Wire:** For cold heading and fabrication - **Filler Wire:** For welding and cladding applications --- #### **5. Product Applications** **Welding Consumables:** - **High-Temperature Welding:** Joining nickel-chromium alloys - **Cladding Applications:** Oxidation-resistant surface layers - **Repair Welding:** Maintenance of high-temperature components - **Dissimilar Welding:** Joining different high-temperature materials **Fastener Manufacturing:** - **High-Temperature Bolts:** For elevated temperature service - **Studs and Nuts:** Oxidation-resistant fasteners - **Specialty Fasteners:** Custom designed high-temperature components - **Threaded Rod:** For structural applications at high temperatures **Spring Applications:** - **High-Temperature Springs:** Maintaining properties at elevated temperatures - **Instrument Springs:** Precision measurement devices - **Valve Springs:** For high-temperature industrial applications **Industrial Components:** - **Wire Forms:** Custom shaped high-temperature components - **Electrical Components:** Resistance wire applications - **Furnace Components:** Heating element support wires - **Thermal Management:** High-temperature sensing elements --- #### **6. International Standards** **Material Standards:** - **UNS N06075**: Unified Numbering System designation - **ASTM B637**: Standard Specification for Precipitation-Hardening Nickel Alloy Bars and Wire - **AMS 5755**: Aerospace Material Specification - **BS HR 501**: British Standard - **DIN 2.4951**: German Industrial Standard **Welding Standards:** - **AWS A5.14 ERNiCr-3**: Welding electrode classification - **ISO 18274**: Welding consumables for nickel and nickel alloys - **ASME SFA-5.14**: ASME specification for welding electrodes **Quality Standards:** - **ASTM E8**: Standard Test Methods for Tension Testing - **ASTM E290**: Standard Test Methods for Bend Testing - **ASTM E384**: Standard Test Method for Microindentation Hardness --- #### **7. High-Temperature Performance** **Excellent Performance In:** - **High-Temperature Oxidation:** Up to 950°C continuous service - **Thermal Cycling:** Good resistance to thermal fatigue - **Creep Resistance:** Maintains strength at elevated temperatures - **Scale Adherence:** Excellent, with protective chromia scale **High-Temperature Performance Data:** - **Continuous Service Temperature:** Up to 950°C (1742°F) - **Creep Strength:** 100 MPa at 750°C (1382°F) - **Oxidation Rate:** <0.1 mm/year at 900°C (1652°F) --- #### **8. Fabrication Characteristics** **Wire Drawing:** - **Drawing Capability:** Can be drawn to fine diameters - **Intermediate Annealing:** Required for severe reductions - **Surface Preparation:** Proper cleaning between draws - **Lubrication:** Specialized drawing lubricants required **Forming Operations:** - **Cold Heading:** Good formability in annealed condition - **Spring Coiling:** Suitable for various spring types - **Wire Forming:** Good for complex shapes - **Machining:** Can be machined using standard techniques **Welding Performance:** - **Weldability:** Good with proper procedures - **Deposition Efficiency:** High with appropriate parameters - **Bead Appearance:** Smooth and uniform - **Post-Weld Properties:** Similar to base metal --- #### **9. Heat Treatment** **Solution Annealing:** - **Temperature:** 1150-1180°C (2100-2150°F) + rapid quench - **Purpose:** To dissolve precipitated phases and optimize properties **Aging Treatment (Optional):** - **Temperature:** 700-750°C (1290-1380°F) - **Time:** 8-16 hours, air cool - **Purpose:** To enhance mechanical properties --- #### **10. Quality Assurance** **Testing & Certification:** - **Chemical Analysis:** Certified mill test reports - **Mechanical Testing:** Tensile, hardness, wrap tests - **Surface Inspection:** Visual and microscopic examination - **Dimensional Checks:** Diameter, ovality, surface quality - **Special Testing:** High-temperature performance tests **Quality Control Parameters:** - **Diameter Tolerance:** ±1% for standard applications - **Surface Quality:** Free from defects and contamination - **Spooling Quality:** Evenly wound without tangles - **Certification:** Full traceability from melt to final wire --- #### **11. Key Advantages** * **Excellent High-Temperature Strength:** Maintains mechanical properties at elevated temperatures * **Superior Oxidation Resistance:** Outstanding performance up to 950°C * **Good Fabricability:** Can be drawn, formed, and welded using standard methods * **Versatile Applications:** Suitable for welding, fasteners, springs, and formed components * **Consistent Quality:** Uniform properties throughout wire length * **Industry Compliance:** Recognized by major international standards * **Proven Reliability:** Extensive service history in demanding applications Nimonic 75 wire provides manufacturers with a reliable, high-performance material solution for critical applications requiring excellent oxidation resistance, high-temperature strength, and good fabricability in demanding industrial environments across aerospace, power generation, and high-temperature processing industries.

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 2052 gallon liquid totes Special package is available on request.