MP35N,MP35N Forgings,UNS R30035,E FORU

British Specs:，American Specs:AMS 5844 VIM VAR Bar AMS 5845 VIM VAR Bar AMS 5758 VIM VAR Bar，German Specs:

### Technical Data Sheet: MP35N / MP35N Forgings / UNS R30035 **Cobalt-Nickel-Chromium-Molybdenum Superalloy Forgings** --- ### 1. Product Overview **MP35N Forgings** (UNS R30035) are manufactured through controlled thermomechanical processes that optimize the microstructure and mechanical properties of this advanced cobalt-nickel-chromium-molybdenum superalloy. The forging process enhances grain structure, eliminates porosity, and improves directional strength, resulting in components with superior performance characteristics including **ultra-high strength** (up to 2200 MPa), excellent corrosion resistance, and non-magnetic properties. --- ### 2. Chemical Composition (Weight %) | Element | Content (%) | Key Characteristics | |---------|-------------|---------------------| | **Cobalt (Co)** | 35.0 | Matrix element providing strength and corrosion resistance | | **Nickel (Ni)** | 35.0 | Austenitic structure and corrosion resistance | | **Chromium (Cr)** | 20.0 | Oxidation and corrosion resistance | | **Molybdenum (Mo)** | 10.0 | Strength enhancement and corrosion resistance | | **Titanium (Ti)** | 1.0 | Precipitation strengthening | | **Iron (Fe)** | ≤ 1.0 | Residual element | | **Manganese (Mn)** | ≤ 0.15 | Residual element | | **Silicon (Si)** | ≤ 0.15 | Residual element | | **Carbon (C)** | ≤ 0.025 | Controlled for carbide formation | --- ### 3. Physical Properties | Property | Value | |----------|-------| | **Density** | 8.43 g/cm³ (0.304 lb/in³) | | **Melting Range** | 1315–1440°C (2400–2625°F) | | **Thermal Conductivity** | 12.9 W/m·K at 100°C | | **Mean CTE (20-100°C)** | 12.8 µm/m·°C | | **Electrical Resistivity** | 1.04 µΩ·m at 25°C | | **Magnetic Permeability** | Essentially non-magnetic (μ < 1.002) | --- ### 4. Mechanical Properties **Solution Annealed Condition:** - **Tensile Strength**: 800–1000 MPa (116–145 ksi) - **Yield Strength (0.2% Offset)**: 380–550 MPa (55–80 ksi) - **Elongation**: 50–60% - **Reduction of Area**: 55–65% - **Hardness**: 90–100 HRB **Cold Worked + Aged Condition:** - **Tensile Strength**: 1900–2200 MPa (276–319 ksi) - **Yield Strength (0.2% Offset)**: 1790–2000 MPa (260–290 ksi) - **Elongation**: 8–12% - **Reduction of Area**: 35–45% - **Hardness**: 50–55 HRC --- ### 5. Forging Process & Capabilities **Forging Methods:** - **Open-Die Forgings**: For large, simple shapes - **Closed-Die Forgings**: For complex geometries - **Ring Rolling**: For circular components - **Press Forgings**: For high-volume production **Size Range:** - **Weight**: 1 kg to 1000 kg - **Maximum Dimensions**: 2000 mm length - **Ring Sizes**: 200 mm to 2500 mm OD **Heat Treatment:** - **Solution Treatment**: 1010–1065°C (1850–1950°F) - **Aging Treatment**: 480–650°C (900–1200°F) for 4–8 hours - **Quenching**: Water quench after solution treatment --- ### 6. Applications **Medical Devices:** - Orthopedic implant components - Surgical instrument forgings - Dental implant bases - Medical fastener components **Aerospace & Defense:** - Aircraft structural components - Missile body sections - Engine mounting parts - Satellite mechanism components **Oil & Gas Industry:** - Downhole tool components - Valve bodies and parts - Wellhead equipment - Subsea system components **Industrial Equipment:** - High-strength machinery parts - Chemical processing equipment - Marine hardware components - Specialized tooling components --- ### 7. International Standards | Standard Type | Standard Number | Specification | |---------------|-----------------|---------------| | **UNS** | R30035 | Material designation | | **AMS** | 5844 | Bar and Forgings | | **ASTM** | F562 | Wrought Cobalt-Nickel Alloy | | **ISO** | 5832-6 | Implants for Surgery | | **ASME** | - | Code Case Applications | --- ### 8. Quality Assurance **Testing & Inspection:** - **Ultrasonic Testing**: per ASTM A388 - **Liquid Penetrant Inspection**: per ASTM E165 - **Radiographic Examination**: per ASTM E94 - **Macro-Etch Testing**: for grain flow verification - **Mechanical Testing**: per applicable specifications **Certification:** - Mill Test Certificate EN 10204 3.1/3.2 - Chemical and Mechanical Property Reports - Heat Treatment Documentation - Non-Destructive Testing Reports --- ### 9. Design Advantages - **Superior grain structure** and directional properties - **Enhanced fatigue resistance** - **Improved stress rupture strength** - **Better impact toughness** - **Reduced material anisotropy** - **Elimination of casting defects** - **Optimized mechanical properties** --- ### 10. Machining & Fabrication **Machining Guidelines:** - **Tool Material**: Carbide recommended - **Cutting Speeds**: 10–15 m/min for roughing - **Feed Rates**: 0.1–0.2 mm/rev - **Coolant**: Heavy-duty soluble oil required - **Chipbreaker Inserts**: Recommended **Post-Forging Processing:** - **Solution Annealing** after rough machining - **Stress Relief** after heavy machining - **Final Machining** to required dimensions - **Surface Treatment** as specified **Welding Characteristics:** - **Not generally recommended** for fusion welding - **Specialized techniques** required if necessary - **Post-weld heat treatment** essential if welded --- ### 11. Technical Advantages - **Ultra-high strength** with maintained toughness - **Excellent corrosion resistance** in harsh environments - **Non-magnetic properties** - **Good fatigue performance** in cyclic loading - **Biocompatible** for medical applications - **Enhanced reliability** through forged structure - **Proven performance** in life-critical applications --- **Note:** MP35N Forgings offer exceptional performance for the most demanding high-strength applications where corrosion resistance and non-magnetic properties are required. The material requires specialized processing and proper heat treatment to achieve optimal mechanical properties. All forgings are supplied with complete traceability and certification. Custom forging designs and heat treatment cycles are available to meet specific application requirements. Consult with our technical team for design optimization and manufacturing recommendations.

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 2283 gallon liquid totes Special package is available on request.