MP35N,MP35N Tube,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 Tube / UNS R30035 **Cobalt-Nickel-Chromium-Molybdenum Superalloy Tubular Products** --- ### 1. Product Overview **MP35N Tube** (UNS R30035) represents the tubular form of this advanced cobalt-nickel-chromium-molybdenum superalloy, designed for applications requiring ultra-high strength, excellent corrosion resistance, and non-magnetic properties. These tubes maintain exceptional mechanical properties (up to 2200 MPa tensile strength) and are suitable for critical fluid conveyance, structural, and instrumentation applications 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 **Tube Size Range:** - **Outside Diameter**: 3 mm to 50 mm (0.125" to 2") - **Wall Thickness**: 0.5 mm to 5 mm (0.020" to 0.197") - **Length**: Standard 3-6 meters, custom lengths available **Manufacturing Processes:** - **Seamless Tube**: Cold drawn for high integrity - **Welded Tube**: Available for specific applications - **Surface Finish**: Bright annealed, pickled, or polished **Tolerance Standards:** - **OD Tolerance**: ±0.05 mm for precision tubes - **Wall Tolerance**: ±10% standard, ±5% special - **Straightness**: 1.5 mm/m maximum --- ### 6. Applications **Medical Devices:** - Surgical instrument tubing - Implantable device components - Medical gas delivery systems - Orthopedic device housings **Aerospace & Defense:** - Aircraft hydraulic tubing - Instrumentation conduits - Fuel system components - Sensor protection tubes **Oil & Gas Industry:** - Downhole instrumentation - Chemical injection lines - Control line tubing - Subsea applications **Industrial Applications:** - High-pressure instrumentation - Chemical processing equipment - Marine and offshore systems - Research equipment components --- ### 7. International Standards | Standard Type | Standard Number | Specification | |---------------|-----------------|---------------| | **UNS** | R30035 | Material designation | | **ASTM** | F562 | Wrought cobalt-nickel alloy | | **AMS** | 5844 | Bar and forgings (base material) | | **ISO** | 5832-6 | Implants for surgery | --- ### 8. Fabrication & Installation **Tube Bending & Forming:** - **Minimum Bend Radius**: 3 × OD for aged condition - **Bending Methods**: Mandrel bending recommended - **Forming Temperature**: Cold forming preferred - **Springback Allowance**: 15–20% typical **Joining Methods:** - **Mechanical Fittings**: Swage-type and compression fittings - **Brazing**: Using specialized high-temperature alloys - **Welding**: Generally not recommended - **Adhesive Bonding**: With high-strength epoxies **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 --- ### 9. Quality Assurance **Standard Testing:** - Hydrostatic or pneumatic testing - Eddy current examination per ASTM E309 - Ultrasonic testing for wall thickness verification - Dimensional inspection per ASTM A450 **Special Testing Available:** - Flare testing for ductility verification - Flattening testing for weld quality - Grain size evaluation - Corrosion resistance testing --- ### 10. Technical Advantages - **Ultra-high strength** in thin-wall configurations - **Excellent corrosion resistance** in various media - **Non-magnetic properties** - **Good fatigue resistance** in cyclic pressure service - **Maintains mechanical properties** in corrosive environments - **Biocompatible** for medical applications - **Reliable performance** in critical applications --- ### 11. Special Considerations **Medical Applications:** - Ultra-clean processing requirements - Special packaging for sterile applications - Full traceability documentation - Biocompatibility certification **Material Handling:** - Protect from surface damage during handling - Store in clean, dry environment - Avoid contamination from other metals --- **Note:** MP35N Tube products offer exceptional performance for high-strength, corrosion-resistant tubular applications. The material requires specialized processing and proper heat treatment to achieve optimal properties. Consult with our technical team for specific application recommendations and fabrication 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 2278 gallon liquid totes Special package is available on request.