Alloy 301,Duranickel 301 Forgings,,E FORU

British Specs:，American Specs:，German Specs:

**Technical Datasheet: Duranickel® 301 (UNS N03301) Forgings** --- ### **Overview** Duranickel® 301 Forgings (Alloy 301, UNS N03301) represent high-integrity components manufactured through controlled forging processes from precipitation-hardenable nickel alloy. The forging process enhances the material's mechanical properties, grain structure, and directional strength, making these components ideal for the most demanding applications where reliability, strength, and corrosion resistance are critical. --- ### **Chemical Composition (Weight %)** | Element | Content (%) | Role | |---------|-------------|------| | Nickel (Ni) | 93.0–96.0 | Base element, provides 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 | 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, 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 | | 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% - **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 --- ### **Forging Process Specifications** **Forging Temperature Range:** - Heating Temperature: 1150–1200°C (2100–2200°F) - Forging Start Temperature: 1050–1150°C (1920–2100°F) - Forging Finish Temperature: 950°C (1740°F) minimum **Heat Treatment:** - Solution Annealing: 870–980°C (1600–1800°F) - Age Hardening: 595–620°C (1100–1150°F) for 12–16 hours - Cooling: Rapid quench after solution annealing --- ### **Product Applications** **Aerospace & Defense:** - Aircraft landing gear components - Engine mounting brackets - Missile body sections - Satellite structural members - Radar system components - Turbine engine parts **Marine & Offshore:** - Propeller shafts - Submarine components - Marine valve bodies - Offshore platform fittings - Rudder stocks - Ship propulsion components **Oil & Gas:** - Wellhead equipment - Valve bodies and stems - Christmas tree components - Drill string components - Pressure vessel parts - Pump housings **Chemical Processing:** - Reactor vessels - Mixer shafts - Agitator arms - High-pressure fittings - Heat exchanger parts - Process vessel components **Power Generation:** - Turbine blades and disks - Generator components - Nuclear reactor parts - High-pressure valve bodies - Steam turbine components --- ### **Corrosion Resistance** - Excellent resistance to seawater and marine environments - Superior performance in fresh water and steam - Good resistance to alkaline solutions - Excellent stress corrosion cracking resistance - Superior to high-strength steels in corrosive service - Suitable for mildly acidic conditions --- ### **Manufacturing Capabilities** **Forging Methods:** - Open-die forgings - Closed-die forgings - Ring rolling - Press forgings - Hammer forgings **Available Forms:** - Bars and billets - Rings and cylinders - Blocks and blanks - Custom-shaped components - Near-net shapes **Size Range:** - Weight: Up to 5000 kg - Dimensions: Custom sizes available - Complexity: Simple to highly complex geometries --- ### **Fabrication Characteristics** **Machining:** - Best performed in solution-annealed condition - Positive rake angles recommended - Cutting speeds: 20–35 SFM - Sulfur-free cutting fluids required - Good chip control characteristics **Welding:** - Gas Tungsten Arc Welding (GTAW) preferred - Use ENiCu-7 filler metal - Pre-heat not normally required - Post-weld heat treatment recommended - Good weldability with proper procedures **Quality Testing:** - Ultrasonic examination - Magnetic particle inspection - Dye penetrant testing - Radiographic examination - Mechanical property verification --- ### **International Standards** | Standard Organization | Standard Number | Description | |----------------------|-----------------|-------------| | **ASTM** | B564 | Standard Specification for Nickel Alloy Forgings | | **ASME** | SB-564 | Code-approved version for pressure applications | | **SAE** | AMS 5545 | Nickel Alloy Forgings, Solution Heat Treated | | **SAE** | AMS 5546 | Nickel Alloy Forgings, Age Hardened | | **UNS** | N03301 | Unified Numbering System | | **ISO** | 9724 | Nickel alloy forgings for high-strength applications | --- ### **Quality Assurance** - Complete traceability from melt to finished forging - Chemical composition certification - Mechanical property testing reports - Non-destructive testing certification - Heat treatment documentation - Dimensional inspection reports - EN 10204 3.1/3.2 certification available --- ### **Key Advantages** 1. **Enhanced Properties**: Superior mechanical properties through forged grain structure 2. **Highest Strength**: Maximum strength among nickel alloy forgings 3. **Corrosion Resistance**: Excellent performance in corrosive environments 4. **Reliability**: Proven performance in critical applications 5. **Design Flexibility**: Capable of producing complex geometries --- **Notes:** - "Duranickel" is a registered trademark of Special Metals Corporation - Proper heat treatment is essential for achieving optimal properties - All forgings supplied with full material certification - Custom shapes and sizes available upon request *For technical assistance and application engineering support, consult with 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 2907 gallon liquid totes Special package is available on request.