Alloy G-3,INCO G-3 Wire,,E FORU

British Specs:，American Specs:，German Specs:

**Product Data Sheet: Alloy G-3 / INCO G-3 Wire** **Nickel-Chromium-Iron-Molybdenum Alloy Wire** --- ### **1. Product Overview** **Alloy G-3 Wire** (commonly known as **INCO G-3 Wire**) is a nickel-chromium-iron-molybdenum alloy wire specifically engineered for applications requiring exceptional corrosion resistance combined with excellent mechanical properties and fabricability. This wire product maintains all the superior corrosion-resistant characteristics of Alloy G-3 while offering the versatility required for welding electrodes, fastener manufacturing, heating elements, and various industrial applications in highly corrosive environments. --- ### **2. Chemical Composition (Typical % by Weight)** | Element | Content (%) | Function | |---------|-------------|----------| | Nickel (Ni) | Balance | Base element providing corrosion resistance and metallurgical stability | | Chromium (Cr) | 21.0-23.5 | Confers resistance to oxidizing media and pitting corrosion | | Iron (Fe) | 18.0-21.0 | Provides solid solution strengthening | | Molybdenum (Mo) | 6.0-8.0 | Enhances resistance to reducing acids and localized corrosion | | Copper (Cu) | 1.5-2.5 | Improves resistance to sulfuric acid environments | | Tungsten (W) | ≤1.5 | Augments localized corrosion resistance | | Cobalt (Co) | ≤5.0 | Controls carbon activity and enhances thermal stability | | Carbon (C) | ≤0.015 | Minimized to prevent sensitization during welding | | Manganese (Mn) | ≤1.0 | Serves as deoxidizer and controls sulfur | | Silicon (Si) | ≤1.0 | Enhances oxidation resistance | | Phosphorus (P) | ≤0.04 | Controlled to ensure optimal weldability | | Sulfur (S) | ≤0.03 | Minimized to prevent hot cracking | --- ### **3. Physical & Mechanical Properties** | Property | Value (Typical) | |----------|-----------------| | Density | 8.3 g/cm³ | | Melting Point | 1370°C (2500°F) | | Thermal Conductivity | 10.1 W/m·K at 20°C | | Coefficient of Thermal Expansion | 13.7 μm/m·K (20-100°C) | | Electrical Resistivity | 1.12 μΩ·m at 20°C | | Modulus of Elasticity | 205 GPa at 20°C | | Tensile Strength | 700-1000 MPa (depending on diameter and temper) | | Yield Strength (0.2% Offset) | 350-850 MPa | | Elongation | 15-35% | | Reduction of Area | 40-60% | | Hardness (Rockwell B) | 85-100 HRB | | Maximum Service Temperature | 400°C (750°F) | --- ### **4. Product Applications** #### **4.1 Welding & Fabrication** - **Welding Electrodes**: GTAW (TIG) and GMAW (MIG) welding of nickel alloys - **Filler Metal**: For joining similar and dissimilar corrosion-resistant alloys - **Cladding Applications**: Overlay welding for corrosion protection - **Repair & Maintenance**: Maintenance welding in chemical process industries #### **4.2 Fastener & Hardware** - **Corrosion-Resistant Fasteners**: Wire for bolt, nut, and stud manufacturing - **Spring Wire**: High-performance springs for corrosive environments - **Mesh & Screening**: Woven mesh for filtration and separation applications - **Chain & Cable**: Corrosion-resistant chain and cable components #### **4.3 Electrical & Heating** - **Resistance Heating Elements**: Heating elements for corrosive atmospheres - **Electrical Contacts**: Components for electrical switching devices - **Thermocouple Wires**: Extension wires for temperature measurement - **Lead Wires**: Electrical connections in corrosive environments #### **4.4 Industrial Components** - **Pin & Rivet Stock**: Material for corrosion-resistant pins and rivets - **Wire Forming**: Custom wire forms for specific applications - **Brush Filaments**: Wire for industrial brushing applications - **Specialty Components**: Various custom-machined wire components --- ### **5. Key Features & Benefits** - **Exceptional Corrosion Resistance**: Superior performance in both oxidizing and reducing environments - **High Pitting Resistance**: PREN value >30 ensures excellent resistance to localized corrosion - **Excellent Weldability**: Ideal for welding applications with minimal defects - **Good Mechanical Properties**: High strength and ductility combination - **Multiple Tempers Available**: Various strength levels to suit application requirements - **Consistent Quality**: Uniform properties throughout wire length - **Cost-Effective Solution**: Provides long-term corrosion protection - **Versatile Applications**: Suitable for wide range of industrial uses --- ### **6. International Standards & Specifications** | Standard Type | Specification Number | Description | |---------------|----------------------|-------------| | ASTM | B166 | Standard Specification for Nickel-Chromium-Iron Alloy Rod, Bar and Wire | | AWS | A5.14 | Specification for Nickel Alloy Welding Electrodes | | UNS | N06985 | Unified Numbering System Designation | | DIN | 2.4619 | Material Number and Specification | | EN | 2.4619 | European Standard Designation | | ISO | 9724 | Nickel Alloy Wire for General Corrosion-Resistant Applications | --- ### **7. Product Specifications** #### **7.1 Wire Dimensions & Tolerances** - **Diameter Range**: 0.10 mm to 6.0 mm (0.004" to 0.250") - **Diameter Tolerance**: ±0.005 mm to ±0.05 mm depending on diameter - **Spool Sizes**: 1 kg to 50 kg spools; custom packaging available - **Standard Length**: Continuous length on spools and coils #### **7.2 Available Conditions & Finishes** - **Temper Conditions**: Annealed, 1/4 hard, 1/2 hard, 3/4 hard, full hard - **Surface Finish**: Bright, annealed, pickled, or special finishes - **Packaging**: Plastic or wooden spools, protected against corrosion - **Special Processing**: Stress relieved or specially cleaned as required --- ### **8. Fabrication & Processing Guidelines** #### **8.1 Welding Applications** - **Welding Parameters**: Follow AWS A5.14 recommended procedures - **Shielding Gas**: 100% argon for GTAW, argon mixtures for GMAW - **Storage Conditions**: Keep dry and protected from contamination - **Handling**: Use clean gloves to prevent surface contamination #### **8.2 Forming & Machining** - **Wire Forming**: Good formability in annealed condition - **Machining**: Use sharp tools with positive rake angles - **Heat Treatment**: Solution anneal at 1150-1200°C if required - **Cleaning**: Remove surface contaminants before critical applications --- ### **9. Quality Assurance & Certification** - **Material Certification**: EN 10204 3.1/3.2 with full traceability - **Testing Protocols**: Mechanical testing, chemical analysis, corrosion testing - **Dimensional Verification**: Certified to meet specified diameter tolerances - **Surface Quality**: Controlled surface finish free from defects - **Certifications**: ISO 9001, PED 2014/68/EU, NORSOK compliance - **Documentation**: Certified Mill Test Reports with complete material properties --- **Disclaimer**: The technical information provided represents typical values and is for reference purposes. Actual properties may vary based on manufacturing process, wire diameter, and temper condition. Users must verify suitability for specific applications through appropriate testing and consult with technical experts for critical applications. Compliance with all applicable safety standards, codes, and regulations is mandatory.

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 2858 gallon liquid totes Special package is available on request.