,FM-82 ,UNS N06082,E FORU

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

**Product Introduction: FM-82 / UNS N06082 Welding Product** **Overview** FM-82 is a nickel-chromium-molybdenum-niobium welding product classified under UNS N06082, specifically designed for welding nickel-chromium and nickel-chromium-iron alloys. This electrode exhibits excellent weldability and produces high-quality deposits with superior resistance to various forms of corrosion and oxidation. The alloy is particularly noted for its ability to maintain mechanical properties at elevated temperatures and its resistance to chloride-ion stress-corrosion cracking. **Key Characteristics** - Excellent weldability with smooth arc transfer - Superior resistance to pitting and crevice corrosion - Good high-temperature strength and oxidation resistance - Resistance to chloride stress-corrosion cracking - Low susceptibility to weld hot cracking - Good mechanical properties across temperature ranges --- **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) | --- **Mechanical Properties (As-Welded Condition)** | Property | Room Temperature | 650°C (1200°F) | |---------------------------|------------------|------------------| | Tensile Strength | 690 MPa (100 ksi) | 480 MPa (70 ksi) | | Yield Strength (0.2% Offset) | 380 MPa (55 ksi) | 310 MPa (45 ksi) | | Elongation | 35% | 25% | | Reduction of Area | 40% | 35% | --- **Product Applications** **Chemical Processing Industry** - Welding of nickel-chromium alloys in corrosive environments - Fabrication of chemical reactors and heat exchangers - Piping systems handling corrosive media - Pollution control equipment **Power Generation** - Boiler components and heat recovery systems - Turbine blades and vanes - High-temperature piping systems - Nuclear power plant components **Marine Engineering** - Offshore platform components - Seawater handling systems - Marine exhaust systems **Aerospace Industry** - Jet engine components - Exhaust systems - High-temperature structural parts **Petrochemical Industry** - Refinery equipment - Catalytic cracking systems - High-temperature reactors --- **International Standards & Specifications** **AWS Specifications** - AWS A5.14: Specification for Nickel and Nickel-Alloy Bare Welding Electrodes and Rods - AWS A5.11: Specification for Nickel and Nickel-Alloy Welding Electrodes for Shielded Metal Arc Welding **ASME Specifications** - ASME SFA-5.14: Specification for Nickel and Nickel-Alloy Bare Welding Electrodes and Rods - ASME Section IX: Welding and Brazing Qualifications **ISO Standards** - ISO 18274: Welding consumables - Wire electrodes, wires and rods for arc welding of nickel and nickel alloys **Other Standards** - DIN 1736: Welding consumables for nickel and nickel alloys - EN ISO 14172: Welding consumables - Covered electrodes for manual metal arc welding of nickel and nickel alloys --- **Welding Characteristics** **Shielding Gas Requirements** - 100% Argon for GTAW - Argon/Hydrogen or Argon/Helium mixtures for special applications **Preheating and Interpass Temperature** - Generally not required for most applications - Maximum interpass temperature: 150°C (300°F) **Post-Weld Heat Treatment** - Usually not required - Stress relief if needed: 870-900°C (1600-1650°F) --- **Note** FM-82 is particularly suitable for welding alloys such as INCONEL 625, INCOLOY 825, and similar nickel-chromium alloys. The deposited metal exhibits excellent resistance to a wide range of corrosive media including organic acids, mineral acids, and alkaline solutions. Proper storage in dry conditions and baking according to manufacturer's recommendations are essential for optimal performance. **Disclaimer** The information provided is for reference purposes. Welding parameters and procedures should be developed based on specific application requirements. Always consult the manufacturer's technical data sheets and applicable codes and standards for complete welding procedure specifications. Proper safety precautions must be followed during welding operations.

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 3041 gallon liquid totes Special package is available on request.