About ER 310 Mig Wire

ER 310 MIG wire is a solid stainless steel filler metal tailored for welding high-temperature alloys like 310 and 330. It boasts exceptional strength, oxidation resistance, and thermal stability, making it ideal for applications in furnace parts, heat exchangers, and other elevated temperature environments.

ER 310 Mig Wire Chemical Compositions:

The chemical composition of ER 310 MIG wire typically includes:

  • Carbon (C): 0.08% max
  • Silicon (Si): 0.75% max
  • Manganese (Mn): 2.0% max
  • Phosphorus (P): 0.045% max
  • Sulphur (S): 0.03% max
  • Chromium (Cr): 24.0-26.0%
  • Nickel (Ni): 19.0-22.0%

These elements contribute to its high-temperature properties and corrosion resistance, essential for welding applications.

ER 310 Mig Wire Physical Properties:

  • Density: Typically around 7.9 g/cm³, providing insight into mass per unit volume.
  • Melting Point: Approximately 1400-1450°C (2552-2642°F), indicating solid to liquid transition temperature.
  • Electrical Conductivity: Moderate, suitable for welding applications.
  • Thermal Conductivity: High, facilitating efficient heat transfer during welding.
  • Ductility: Exhibits good ductility, allowing for flexibility in welding applications.
  • Magnetic Properties: Typically non-magnetic in the annealed condition, minimizing interference.
  • Corrosion Resistance: Offers excellent resistance to oxidation and high-temperature corrosion, maintaining weld integrity in extreme environments.

ER 310 Mig Wire Mechanical Properties:

  • Tensile Strength: Typically ranging from 550 to 650 MPa, indicating maximum load capacity before breaking.
  • Yield Strength: Typically around 250 to 300 MPa, representing the stress level for permanent deformation onset.
  • Elongation: Typically 30% to 40%, demonstrating the ability to stretch without breaking.
  • Hardness: Varies depending on welding conditions and heat treatment.
  • Impact Toughness: Reflects the ability to absorb energy during impact without fracturing.
  • Fatigue Strength: Indicates resistance to failure under repeated loading.
  • Microstructure: Typically austenitic, contributing to corrosion resistance and mechanical properties.

ER 310 Mig Wire Applications:

  • High-Temperature Environments: Welding furnace components, heat exchangers, and other parts subjected to elevated temperatures.
  • Chemical Processing: Fabricating equipment for handling corrosive chemicals in chemical plants.
  • Power Generation: Welding boiler tubes and components for power plants.
  • Aerospace: Used in aerospace applications where high-temperature resistance is required.
  • Petrochemical Industry: Welding equipment for oil refineries and petrochemical plants.
  • Heat Treatment Equipment: Welding components for heat treatment furnaces and ovens.
  • Fabrication of Heating Elements: Manufacturing heating elements for industrial furnaces and appliances.