Alloy 301,Duranickel 301 Sheet,,E FORU

British Specs:，American Specs:，German Specs:

**Technical Datasheet: Duranickel® 301 (UNS N03301) Sheet** --- ### **Overview** Duranickel® 301 Sheet (Alloy 301, UNS N03301) is a premium precipitation-hardenable nickel alloy supplied in thin sheet form, offering an exceptional combination of high strength, excellent corrosion resistance, and outstanding formability. This age-hardenable alloy achieves the highest strength levels among commercial nickel alloys through proper heat treatment while maintaining superior performance in corrosive environments, making it ideal for applications requiring lightweight yet high-strength components. --- ### **Chemical Composition (Weight %)** | Element | Content (%) | Role | |---------|-------------|------| | Nickel (Ni) | 93.0–96.0 | Base element, corrosion resistance | | 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 | Hot workability improvement | | 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 | --- ### **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 (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% - **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% - **Hardness**: HRC 36–44 --- ### **Heat Treatment** **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 - Cooling: Air cool --- ### **Product Applications** **Aerospace & Defense:** - Aircraft structural panels - Missile body skins - Satellite components - Radar chassis - Engine shroud plates - Wing skin sections **Electronics & Electrical:** - Battery enclosures - Electrical connector components - Shielding applications - Precision instrument parts - Spring contact components **Chemical Processing:** - Corrosion-resistant liners - Reactor vessel linings - Heat exchanger plates - Process tank covers - Chemical equipment panels **Marine & Offshore:** - Shipbuilding components - Marine instrument panels - Offshore platform panels - Submarine components - Corrosion-resistant covers **Industrial Applications:** - High-strength springs - Diaphragms and bellows - Precision stampings - Formed structural components - Corrosion-resistant fixtures --- ### **Corrosion Resistance** - Excellent seawater and marine atmosphere resistance - Good performance in fresh water and steam - Superior to high-strength steels in corrosive environments - Resistance to stress corrosion cracking - Good alkaline solution resistance - Suitable for mildly acidic conditions --- ### **Fabrication Characteristics** **Forming:** - Excellent cold forming in annealed condition - Suitable for deep drawing operations - Good bend characteristics - Minimum bend radius: 2× thickness - Age after forming for maximum strength **Machining:** - Best machined in solution-annealed condition - Use positive rake angles - Recommended speeds: 30–50 SFM - Sulfur-free cutting fluids required - Good surface finish achievable **Welding:** - Gas Tungsten Arc Welding (GTAW) preferred - Use ENiCu-7 filler metal - Solution anneal before welding - Post-weld age hardening recommended - Good weldability with proper technique --- ### **International Standards** | Standard Organization | Standard Number | Description | |----------------------|-----------------|-------------| | **ASTM** | B865 | Age-Hardening Nickel Alloy Sheet | | **ASME** | SB-865 | Code-approved version | | **SAE** | AMS 5548 | Nickel Alloy Sheet, Age Hardenable | | **UNS** | N03301 | Unified Numbering System | | **ISO** | 6208 | Nickel alloy sheet specifications | --- ### **Available Specifications** **Sheet Dimensions:** - **Thickness**: 0.1 mm to 6.0 mm (0.004" to 0.250") - **Width**: 600 mm to 1500 mm (24" to 60") - **Length**: 1000 mm to 3000 mm (39" to 118") **Surface Finish:** - Cold rolled, annealed, and pickled - Bright annealed - Polished finishes available - Special surface treatments upon request **Temper Conditions:** - Solution annealed - Age hardened - Custom tempers available --- ### **Quality Assurance** - Full chemical composition certification - Mechanical property testing - Dimensional verification - Surface quality inspection - Heat treatment certification - EN 10204 3.1/3.2 certification available --- ### **Key Advantages** 1. **Highest Strength**: Maximum strength among nickel alloy sheets 2. **Excellent Formability**: Good cold working characteristics 3. **Corrosion Resistance**: Superior to high-strength steels 4. **Weight Efficiency**: High strength-to-weight ratio 5. **Reliability**: Consistent performance and properties --- **Notes:** - "Duranickel" is a registered trademark of Special Metals Corporation - Proper heat treatment essential for optimal properties - Store in clean, dry conditions - Consult technical experts for specific applications *For 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 2904 gallon liquid totes Special package is available on request.