MP35N,MP35N Rod,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 Rod / UNS R30035 **Cobalt-Nickel-Chromium-Molybdenum Superalloy Rod Product** --- ### 1. Product Overview **MP35N Rod** (UNS R30035) is supplied in rod form from the advanced cobalt-nickel-chromium-molybdenum superalloy family, strengthened through cold working and aging treatments. This product offers an exceptional combination of **ultra-high strength** (up to 2200 MPa), excellent corrosion resistance, and non-magnetic properties, making it ideal for machining critical components requiring reliability in demanding environments. --- ### 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% - **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% - **Hardness**: 50–55 HRC --- ### 5. Product Specifications **Rod Size Range:** - **Diameter**: 3 mm to 150 mm (0.125" to 6") - **Length**: Random lengths 3-4 meters, cut lengths available - **Tolerance**: h9 standard, special tolerances available **Available Conditions:** - **Solution Annealed**: For machining and forming - **Cold Worked**: Various reduction levels - **Aged**: Full mechanical properties - **Centerless Ground**: Precision applications **Surface Finish:** - Black finish - Ground finish - Peeled finish - Polished finish (special order) --- ### 6. Applications **Medical Devices:** - Orthopedic implant components - Surgical instrument parts - Dental implant screws - Medical fastener stock **Aerospace Components:** - Aircraft fasteners and bolts - Engine mounting components - Landing gear parts - Control system components **Oil & Gas Equipment:** - Downhole tool components - Valve parts and stems - Well completion equipment - Corrosion-resistant fasteners **Industrial Applications:** - High-strength fasteners - Spring components - Chemical processing parts - Marine equipment 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. Machining & Fabrication **Machining Guidelines:** - **Tool Material**: Carbide recommended - **Cutting Speed**: 10–20 m/min for turning - **Feed Rate**: 0.1–0.3 mm/rev - **Coolant**: Heavy-duty soluble oil required - **Tool Geometry**: Positive rake angles preferred **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 **Finishing Operations:** - **Grinding**: Suitable with proper wheels - **Polishing**: Good results achievable - **Plating**: Compatible with various coatings --- ### 9. Quality Assurance **Standard Testing:** - Chemical analysis certification - Tensile testing at room temperature - Hardness testing - Macro-etch testing **Additional Testing Available:** - Ultrasonic examination - Microstructural evaluation - Corrosion testing - Fatigue testing --- ### 10. Technical Advantages - **Ultra-high strength** with good toughness - **Excellent corrosion resistance** in harsh environments - **Non-magnetic properties** - **Good fatigue strength** - **Maintains mechanical properties** at elevated temperatures - **Biocompatible** for medical applications - **Proven reliability** in critical applications --- ### 11. Special Considerations **Medical Applications:** - Additional cleanliness requirements - Special packaging for sterile applications - Full traceability essential - Biocompatibility certification available **Processing Notes:** - Cold working essential for maximum strength - Proper heat treatment critical for optimal properties - Machining best performed in annealed condition --- **Note:** MP35N Rod offers exceptional performance for high-strength component manufacturing where corrosion resistance and non-magnetic properties are required. The material requires specialized processing and proper heat treatment to achieve optimal properties. Consult with our technical team for specific machining recommendations and application guidance.

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 2275 gallon liquid totes Special package is available on request.