Alloy 925,Incoloy 925 Wire,UNS N09925,E FORU

British Specs:，American Specs:，German Specs:

### **Product Datasheet: Alloy 925 / Incoloy 925 Wire (UNS N09925)** **Alloy 925** (commercially known as **Incoloy 925**) wire is a precipitation-hardenable nickel-iron-chromium alloy supplied in wire form, combining excellent corrosion resistance with high strength and good fabricability. This product form is specifically designed for welding consumables, fastener manufacturing, spring production, and other applications requiring the unique properties of Alloy 925 in a versatile wire geometry. --- #### **1. Chemical Composition** The chemical composition of Alloy 925 wire is precisely controlled to ensure consistent performance: | Element | Content (%) | |:---|:---| | **Nickel (Ni)** | 42.0 - 46.0 | | **Chromium (Cr)** | 19.5 - 23.5 | | **Iron (Fe)** | 22.0 min | | **Molybdenum (Mo)** | 2.5 - 3.5 | | **Copper (Cu)** | 1.5 - 3.0 | | **Titanium (Ti)** | 1.9 - 2.4 | | **Aluminum (Al)** | 0.1 - 0.5 | | **Carbon (C)** | 0.03 max | | **Manganese (Mn)** | 0.50 max | | **Silicon (Si)** | 0.50 max | | **Sulfur (S)** | 0.03 max | | **Phosphorus (P)** | 0.03 max | *Note: The balanced composition provides excellent age-hardening capability through gamma prime precipitation (Ti, Al) while maintaining superior corrosion resistance in sour gas and chloride environments (Cr, Mo, Cu).* --- #### **2. Physical Properties** Alloy 925 wire exhibits consistent physical properties: | Property | Value | |:---|:---| | **Density** | 8.08 g/cm³ (0.292 lb/in³) | | **Melting Range** | 1370 - 1400°C (2500 - 2550°F) | | **Coefficient of Thermal Expansion** | 14.2 × 10⁻⁶/°C (20-100°C) | | **Thermal Conductivity** | 11.5 W/m·K (at 100°C) | | **Specific Heat** | 448 J/kg·K (at 100°C) | | **Modulus of Elasticity** | 196 GPa (28.4 × 10⁶ psi) | | **Electrical Resistivity** | 1.12 μΩ·m | | **Magnetic Permeability** | <1.005 (essentially non-magnetic) | --- #### **3. Mechanical Properties** **Standard Mechanical Properties (Aged Condition):** | Property | Value | |:---|:---| | **Tensile Strength** | 1035 - 1170 MPa (150 - 170 ksi) | | **Yield Strength (0.2% Offset)** | 860 - 1035 MPa (125 - 150 ksi) | | **Elongation** | 15% - 25% | | **Reduction of Area** | 35% - 45% | | **Hardness** | 269 - 321 HB | **Properties by Temper Condition:** | Temper Condition | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | |:---|:---|:---|:---| | **Annealed** | 620 - 760 | 240 - 380 | 30 - 40 | | **¼ Hard** | 760 - 900 | 550 - 690 | 20 - 30 | | **½ Hard** | 900 - 1030 | 760 - 900 | 15 - 22 | | **Full Hard** | 1030 - 1170 | 965 - 1100 | 10 - 18 | | **Aged** | 1100 - 1240 | 965 - 1170 | 12 - 20 | --- #### **4. Product Specifications** **Available Forms & Sizes:** - **Diameter Range:** 0.10 mm to 12.0 mm (0.004" to 0.472") - **Spool Sizes:** 5 kg to 500 kg spools - **Straight Lengths:** 1.0 m to 6.0 m available - **Surface Finish:** Bright, cleaned, coated, or plated **Wire Types:** - **Welding Wire:** AWS A5.14 ERNiFeCr-1 classification - **Fastener Wire:** For bolt and screw manufacturing - **Spring Wire:** High-strength corrosion-resistant springs - **Forming Wire:** For cold heading and fabrication - **Filler Wire:** For welding and cladding applications --- #### **5. Product Applications** **Welding Consumables:** - **Cladding Applications:** Corrosion-resistant surface layers - **Fabrication Welding:** Joining Alloy 925 components - **Repair Welding:** Maintenance and repair of equipment - **Dissimilar Welding:** Joining different materials **Fastener Manufacturing:** - **High-Strength Bolts:** For sour service applications - **Studs and Nuts:** Corrosion-resistant fasteners - **Specialty Fasteners:** Custom designed components - **Threaded Rod:** For structural applications **Spring Applications:** - **Corrosion-Resistant Springs:** For harsh environments - **High-Temperature Springs:** Maintaining properties at elevated temperatures - **Instrument Springs:** Precision measurement devices - **Valve Springs:** For chemical and oil industry **Industrial Components:** - **Wire Forms:** Custom shaped components - **Screening Elements:** Filter and sieve components - **Electrical Components:** Resistance wire applications - **Medical Devices:** Surgical and implant components **Oil & Gas Industry:** - **Downhole Tools:** Wireline and logging components - **Subsea Components:** Control system elements - **Wellhead Equipment:** Fasteners and small parts - **Instrumentation:** Sensor and control components --- #### **6. International Standards** **Material Standards:** - **UNS N09925**: Unified Numbering System designation - **ASTM B425**: Standard Specification for Bar and Wire - **AWS A5.14**: Specification for Nickel Alloy Welding Electrodes - **AMS 5895**: Aerospace Material Specification - **DIN 2.4852**: German Industrial Standard **Welding Standards:** - **AWS A5.14 ERNiFeCr-1**: Welding electrode classification - **ASME SFA-5.14**: ASME specification for welding electrodes - **ISO 18274**: Welding consumables for nickel and nickel alloys **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. Corrosion Resistance** **Excellent Performance In:** - **Sour Gas Environments:** H₂S and CO₂ containing systems - **Chloride Solutions:** Superior stress corrosion cracking resistance - **Acidic Conditions:** Sulfuric, phosphoric, and organic acids - **Alkaline Media:** Good resistance to caustic environments - **Marine Atmospheres:** Excellent pitting and crevice corrosion resistance **Corrosion Performance Data:** - **Critical Pitting Temperature:** >85°C - **NACE TM0177:** Compliant for sour service - **General Corrosion Rate:** <0.1 mm/year in most environments - **Intergranular Corrosion:** Resistant after proper heat treatment --- #### **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:** Excellent 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:** Excellent with proper procedures - **Deposition Efficiency:** High with appropriate parameters - **Bead Appearance:** Smooth and uniform - **Post-Weld Properties:** Similar to base metal when properly aged --- #### **9. Heat Treatment** **Standard Heat Treatment:** 1. **Solution Annealing:** 1095-1120°C (2000-2050°F) + rapid quench 2. **Aging Treatment:** 620-650°C (1150-1200°F) for 8-16 hours, air cool **Special Considerations for Wire:** - **Coil Annealing:** For consistent properties throughout coils - **Protective Atmosphere:** To prevent surface oxidation - **Quenching Rate:** Critical for corrosion resistance - **Aging Response:** Consistent throughout wire length --- #### **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:** Corrosion tests, micrographic examination **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** * **Versatile Applications:** Suitable for welding, fasteners, springs, and formed components * **Excellent Corrosion Resistance:** Superior performance in aggressive environments * **High Strength Capability:** Can be heat treated for optimal properties * **Good Fabricability:** Can be drawn, formed, and welded using standard methods * **Consistent Quality:** Uniform properties throughout wire length * **Industry Acceptance:** Recognized by major international standards * **Technical Support:** Comprehensive application engineering support * **Global Availability:** Multiple sources and sizes available Alloy 925 wire provides manufacturers with a reliable, high-performance material solution for critical applications requiring excellent corrosion resistance, high strength, and good fabricability in demanding industrial environments across oil & gas, chemical processing, aerospace, and power generation 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 2013 gallon liquid totes Special package is available on request.