,FM-82 Bar(Round bar, Flat bar),UNS N06082,E FORU

British Specs:，American Specs:AMS 5836 Welding Wire，German Specs:

**Product Introduction: FM-82 Bar (Round Bar & Flat Bar) / UNS N06082** **Overview** FM-82 Bar is a nickel-chromium-molybdenum-niobium alloy supplied in round and flat bar forms, classified under UNS N06082. This wrought product form maintains the excellent corrosion resistance and high-temperature properties of the FM-82 composition while providing superior machinability and mechanical strength for fabricated components. The bar stock is specifically engineered for manufacturing critical parts requiring exceptional resistance to corrosive environments and high-temperature applications. **Key Characteristics** - Excellent corrosion resistance in oxidizing and reducing environments - Good high-temperature strength and oxidation resistance up to 1100°C - Superior resistance to pitting, crevice, and intergranular corrosion - Good fabricability and machinability in annealed condition - Resistance to chloride stress corrosion cracking - Maintains mechanical properties at elevated temperatures --- **Chemical Composition (Weight %)** | Element | Content (%) | |------------------|-----------------| | Nickel (Ni) | Balance | | Chromium (Cr) | 18.0 - 22.0 | | Iron (Fe) | ≤ 3.0 | | Molybdenum (Mo) | 2.0 - 4.0 | | Niobium (Nb) | 1.5 - 4.0 | | Titanium (Ti) | ≤ 1.0 | | Manganese (Mn) | ≤ 1.0 | | Silicon (Si) | ≤ 0.75 | | Carbon (C) | ≤ 0.10 | | Phosphorus (P) | ≤ 0.03 | | Sulfur (S) | ≤ 0.015 | --- **Physical Properties** | Property | Value | |-------------------------------|---------------------------| | Density | 8.28 g/cm³ (0.299 lb/in³) | | Melting Range | 1350-1400°C (2460-2550°F) | | Thermal Conductivity | 10.1 W/m·K (at 100°C) | | Specific Heat Capacity | 430 J/kg·K (at 20°C) | | Electrical Resistivity | 1.18 μΩ·m | | Coefficient of Thermal Expansion | 13.5 × 10⁻⁶/°C (20-300°C) | | Modulus of Elasticity | 205 GPa (29.7 × 10⁶ psi) | --- **Mechanical Properties (Annealed Condition)** | Property | Room Temperature | 650°C (1200°F) | |---------------------------|------------------|------------------| | Tensile Strength | 690-760 MPa (100-110 ksi) | 480-550 MPa (70-80 ksi) | | Yield Strength (0.2% Offset) | 310-380 MPa (45-55 ksi) | 260-310 MPa (38-45 ksi) | | Elongation | 40-50% | 30-40% | | Reduction of Area | 45-55% | 35-45% | | Hardness (Brinell) | 170-210 HB | - | --- **Product Applications** **Chemical Processing Industry** - Valve components and pump shafts - Heat exchanger tubes and supports - Reactor internals and agitators - Fasteners and bolting materials **Power Generation** - Gas turbine components - Heat treatment fixtures - Boiler supports and hangers - Nuclear reactor components **Marine Engineering** - Propeller shafts - Marine pump components - seawater valve parts - Offshore platform components **Aerospace Industry** - Engine mounting components - Exhaust system parts - High-temperature fasteners **Oil and Gas Industry** - Downhole tool components - Wellhead equipment - Valve trims and seats --- **International Standards & Specifications** **ASTM Standards** - ASTM B166: Standard Specification for Nickel-Chromium-Iron Alloys Rod, Bar, and Wire - ASTM B564: Standard Specification for Nickel Alloy Forgings **ASME Standards** - ASME SB-166: Nickel-Chromium-Iron Alloys Rod, Bar, and Wire - ASME SB-564: Nickel Alloy Forgings **ISO Standards** - ISO 9724: Nickel and nickel alloys — Bars **European Standards** - EN 10095: Heat resisting steels and nickel alloys - DIN 17742: Nickel alloys — Chemical composition **Other Standards** - AMS 5665: Nickel Alloy, Corrosion and Heat-Resistant, Bars, Forgings, and Rings --- **Available Bar Specifications** **Round Bars** - Diameter Range: 5mm to 300mm - Length: 3000mm to 6000mm (standard) - Surface Finish: Hot finished, turned, ground, or polished - Tolerance: h11 (ground), h12 (turned) **Flat Bars** - Thickness: 5mm to 100mm - Width: 20mm to 300mm - Length: 2000mm to 6000mm - Edge Condition: As-rolled, machined, or ground --- **Heat Treatment** **Solution Annealing** - Temperature: 1150-1200°C (2100-2190°F) - Cooling: Rapid cool (water quench) - Atmosphere: Controlled or protective **Stress Relieving** - Temperature: 870-900°C (1600-1650°F) - Time: 1 hour per 25mm thickness - Cooling: Air cool --- **Machining and Fabrication** **Machining Parameters** - Cutting Speed: 15-25 m/min (turning) - Feed Rate: 0.1-0.3 mm/rev - Use positive rake angles - Recommended: Carbide or ceramic tools **Welding Compatibility** - TIG and MIG welding suitable - Matching filler metals recommended - Preheating generally not required - Post-weld heat treatment optional --- **Quality Assurance** **Testing Requirements** - Chemical analysis certification - Mechanical testing certification - Non-destructive testing (as required) - Microstructural examination - Intergranular corrosion testing per ASTM G28 **Certification** - Mill test certificate to EN 10204 3.1/3.2 - Material traceability maintained - Compliance with specified standards --- **Note** FM-82 Bars offer excellent combination of corrosion resistance and mechanical properties, making them suitable for severe service conditions. The material performs well in both oxidizing and reducing environments and maintains good structural stability at elevated temperatures. Proper selection of heat treatment conditions is essential for optimizing material performance in specific applications. **Disclaimer** The information provided is for reference purposes. Actual properties may vary based on manufacturing process, heat treatment, and bar size. For critical applications, always consult the manufacturer's technical data sheets and conduct appropriate qualification testing. All materials should be used in compliance with applicable codes and standards.

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 3043 gallon liquid totes Special package is available on request.