Alloy 301,Duranickel 301 Wire,,E FORU

British Specs:，American Specs:，German Specs:

**Technical Datasheet: Duranickel® 301 (UNS N03301) Wire** --- ### **Overview** Duranickel® 301 Wire (Alloy 301, UNS N03301) is a premium precipitation-hardenable nickel alloy wire offering an exceptional combination of high strength, excellent spring properties, and superior corrosion resistance. This wire product is specifically engineered to provide reliable performance in demanding applications where maximum strength, durability, and corrosion resistance are required in wire form. --- ### **Chemical Composition (Weight %)** | Element | Content (%) | Role | |---------|-------------|------| | Nickel (Ni) | 93.0–96.0 | Base element, provides corrosion resistance and matrix | | Titanium (Ti) | 4.0–5.0 | Primary age-hardening element | | Aluminum (Al) | 0.5–1.0 | Secondary hardening element | | Carbon (C) | ≤0.30 | Strength enhancement | | Manganese (Mn) | ≤0.50 | Improves hot workability | | Silicon (Si) | ≤0.50 | Deoxidizer | | Iron (Fe) | ≤0.50 | Residual element | | Sulfur (S) | ≤0.015 | Controlled impurity | | Magnesium (Mg) | 0.10–0.20 | Grain refinement, improves hot workability | --- ### **Physical Properties** | Property | Value | |----------|-------| | Density | 8.20 g/cm³ (0.296 lb/in³) | | Melting Point | 1440°C (2620°F) | | Thermal Conductivity | 29.7 W/m·K (at 20°C) | | Coefficient of Thermal Expansion | 13.5 μm/m·°C (20–100°C) | | Specific Heat Capacity | 460 J/kg·K | | Electrical Resistivity | 0.75 μΩ·m | | Modulus of Elasticity | 186 GPa (27×10⁶ psi) | | Magnetic Permeability | <1.002 (effectively non-magnetic) | --- ### **Mechanical Properties** **Solution Annealed Condition:** - **Tensile Strength**: 620–760 MPa (90–110 ksi) - **Yield Strength (0.2% Offset)**: 240–380 MPa (35–55 ksi) - **Elongation**: 25–35% - **Reduction of Area**: 40–60% - **Hardness**: HRB 85–95 **Age-Hardened Condition:** - **Tensile Strength**: 1240–1520 MPa (180–220 ksi) - **Yield Strength (0.2% Offset)**: 1030–1380 MPa (150–200 ksi) - **Elongation**: 10–20% - **Reduction of Area**: 25–40% - **Hardness**: HRC 36–44 --- ### **Heat Treatment Specifications** **Solution Annealing:** - Temperature: 870–980°C (1600–1800°F) - Soaking Time: 15–30 minutes - Cooling: Rapid water quench **Age Hardening:** - Temperature: 595–620°C (1100–1150°F) - Time: 12–16 hours at temperature - Cooling: Air cool to room temperature --- ### **Product Applications** **Spring Applications:** - High-performance mechanical springs - Electrical contact springs - Instrument springs - Valve springs - Relay springs - Precision spring components **Welding Applications:** - GTAW (TIG) welding wire - GMAW (MIG) welding wire - Repair and maintenance welding - Cladding and overlay applications **Fastener and Component Applications:** - High-strength fasteners - Wire forms and shapes - Screen and mesh wire - Electrical resistance wire - Medical device components **Industry-Specific Applications:** - **Aerospace**: Aircraft control springs, engine components, fasteners - **Marine**: Marine spring components, corrosion-resistant fasteners - **Electronics**: Connector springs, relay components, contact wires - **Medical**: Surgical instrument components, implantable devices - **Automotive**: Valve springs, fuel injection components, sensors --- ### **Corrosion Resistance** - Excellent resistance to seawater and marine atmospheres - Good performance in fresh water, steam, and alkaline environments - Superior corrosion resistance compared to high-strength steels - Resistance to stress corrosion cracking - Good performance in caustic soda and ammonia solutions - Suitable for mildly acidic environments --- ### **Wire Specifications** **Available Forms:** - Spooled wire (0.1–5.0 mm diameter) - Straight lengths (1.0–10.0 mm diameter) - Cut pieces and special shapes **Standard Sizes:** - Fine Wire: 0.1–1.0 mm diameter - Medium Wire: 1.0–3.0 mm diameter - Heavy Wire: 3.0–10.0 mm diameter **Surface Finish:** - Bright finish - Clean and scale-free - Special coatings available --- ### **Fabrication Characteristics** **Wire Drawing:** - Excellent drawability in annealed condition - Multiple intermediate anneals may be required - Good surface quality maintained - Consistent mechanical properties **Forming and Bending:** - Excellent formability in annealed condition - Good springback characteristics - Suitable for complex wire forms - Age after forming for maximum properties **Welding:** - Gas Tungsten Arc Welding (GTAW) preferred - Use matching filler metal - Solution anneal before welding age-hardened material - Post-weld age hardening recommended **Machining:** - Good machinability in annealed condition - Use sharp tools and positive rake angles - Sulfur-free cutting fluids recommended --- ### **International Standards** | Standard Organization | Standard Number | Description | |----------------------|-----------------|-------------| | **ASTM** | B572 | Standard Specification for UNS N03301 Rod | | **AWS** | A5.14 | ERNiCrMo-14 classification for welding | | **ASME** | SFA-5.14 | Code-approved welding consumable | | **SAE** | AMS 5549 | Nickel Alloy Wire, Spring, Age Hardenable | | **UNS** | N03301 | Unified Numbering System | | **ISO** | 9724 | Nickel alloy wire for general purposes | | **DIN** | 17750 | Nickel alloy wire specifications | --- ### **Quality Assurance** - Chemical composition certification - Mechanical property testing - Surface quality inspection - Dimensional verification - Heat treatment certification - Spooling quality inspection - EN 10204 3.1/3.2 certification available --- ### **Packaging Options** - Plastic-spooled wire - Wooden-spooled wire - Coil packs - Straight lengths in bundles - Custom packaging available --- ### **Key Advantages** 1. **Highest Strength**: Maximum strength among nickel alloy wires 2. **Excellent Spring Properties**: Superior spring characteristics and fatigue resistance 3. **Corrosion Resistance**: Excellent performance in corrosive environments 4. **Reliability**: Consistent properties and performance 5. **Versatility**: Suitable for various applications and industries --- **Notes:** - "Duranickel" is a registered trademark of Special Metals Corporation - Proper heat treatment is essential for achieving optimal properties - Store in clean, dry conditions to prevent surface contamination - Consult technical experts for specific application requirements *For detailed technical assistance and application engineering support, contact materials engineering specialists.*

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 2910 gallon liquid totes Special package is available on request.