About ER 316 Mig Wire

ER 316 MIG wire is a solid stainless steel filler metal designed for welding austenitic stainless steels like 316 and 316L. It offers excellent corrosion resistance, high ductility, and good weldability, making it suitable for various industrial applications, including marine, food processing, and pharmaceutical industries.

ER 316 Mig Wire Chemical Compositions:

The typical chemical composition of ER 316 MIG wire 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): 16.0-18.0%
  • Nickel (Ni): 10.0-14.0%
  • Molybdenum (Mo): 2.0-3.0%

These elements contribute to its corrosion resistance and mechanical properties, essential for welding applications.

ER 316 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 corrosion, maintaining weld integrity in various environments.

ER 316 Mig Wire Mechanical Properties:

  • Tensile Strength: Typically ranging from 515 to 690 MPa, indicating maximum load capacity before breaking.
  • Yield Strength: Typically around 205 to 275 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 316 Mig Wire Applications:

  • Marine Industry: Used for welding marine-grade stainless steel components due to its corrosion resistance.
  • Food Processing: Welding equipment and machinery in the food industry requiring cleanliness and corrosion resistance.
  • Pharmaceutical Industry: Fabricating stainless steel components for pharmaceutical manufacturing equipment.
  • Chemical Processing: Welding equipment and pipelines in chemical plants due to its corrosion resistance.
  • Aerospace: Used in aerospace applications where corrosion resistance and high strength are required.
  • Medical Equipment: Fabricating medical instruments and devices requiring corrosion resistance and biocompatibility.
  • Automotive Industry: Welding stainless steel parts in automotive manufacturing, including exhaust systems and fuel tanks.