ER 310 Core Wire

ER 310 core wire is a heat-resistant stainless steel welding wire primarily used for high-temperature applications. It offers excellent oxidation and corrosion resistance, making it suitable for furnace components, heat exchangers, and other elevated temperature environments.

ER 310 Core Wire Chemical Compositions:

The chemical composition of ER 310 core wire typically includes:

  • Chromium (Cr):0 – 28.0%
  • Nickel (Ni):0 – 22.0%
  • Carbon (C): ≤ 0.08%
  • Manganese (Mn): ≤ 2.00%
  • Silicon (Si): ≤ 1.50%
  • Phosphorus (P): ≤ 0.045%
  • Sulfur (S): ≤ 0.030%
  • Molybdenum (Mo): ≤ 0.75%
  • Iron (Fe): Balance

This composition provides ER 310 core wire with high-temperature strength and corrosion resistance suitable for various applications in heat-resistant environments.

Physical Properties:

ER 310 core wire possesses specific physical properties essential for welding applications:

  1. Density: Typically around 7.9 g/cm³, determining its mass per unit volume.
  2. Melting Point: Approximately 1400-1450°C (2552-2642°F), indicating its transition to liquid form under heat.
  3. Tensile Strength: Generally 550-750 MPa, its resistance to breaking under tension.
  4. Yield Strength: Typically 250-350 MPa, indicating the stress at which it deforms plastically.
  5. Elongation: Usually 30-40%, indicating its ability to stretch without fracturing.
  6. Hardness: Typically 150-200 HV, determining its resistance to indentation.
  7. Thermal Conductivity: Approximately 15-20 W/m·K, indicating its ability to conduct heat.
  8. Electrical Resistivity: Around 70-80 µΩ·cm, its resistance to electric current flow.

These properties ensure ER 310 core wire’s suitability for various welding applications, offering clean, strong welds with minimal defects.

Mechanical Properties:

ER 310 core wire typically demonstrates the following mechanical properties:

  1. Tensile Strength: Generally between 550-750 MPa, indicating its capacity to withstand pulling forces without breaking.
  2. Yield Strength: Typically around 250-350 MPa, indicating the stress at which it begins to deform plastically.
  3. Elongation: Typically 30-40%, indicating its ability to stretch without fracturing.
  4. Hardness: Typically in the range of 150-200 HV, determining its resistance to indentation or scratching.
  5. Impact Strength: Exhibits good toughness and can withstand sudden loads without fracturing.
  6. Fatigue Resistance: Shows resistance to failure under cyclic loading conditions.
  7. Ductility: Demonstrates sufficient ductility to undergo deformation without fracture under tensile stress.
  8. Weldability: Offers excellent weldability with minimal risk of cracking or defects.
  9. Corrosion Resistance: It is Resistant to corrosion, especially in high-temperature environments.

These properties ensure the ER 310 core wire’s reliability and effectiveness in welding operations, particularly in high-temperature applications.

ER 310 Core Wire Applications:

ER 310 core wire finds applications in various industries, particularly those requiring high-temperature resistance, including:

  1. Furnace Construction: Used for welding furnace components such as heating elements, radiant tubes, and combustion chambers.
  2. Heat Exchangers: Employed in the fabrication of heat exchanger tubes and plates for high-temperature environments.
  3. Power Generation: Used in welding components for boilers, turbines, and exhaust systems in power plants.
  4. Petrochemical Industry: Applied in the construction of reactors, piping systems, and process equipment exposed to high temperatures.
  5. Aerospace: Utilized for welding components in aircraft engines and propulsion systems where heat resistance is crucial.
  6. Metal Processing: Used for welding equipment in steel mills, foundries, and metal processing facilities.
  7. Chemical Processing: Employed in the fabrication of equipment for chemical reactors, distillation columns, and heat exchangers.
  8. Oil and Gas Industry: Used for welding components in refinery units, such as cracking units and reformers.
  9. Automotive: Applied in welding exhaust systems and components exposed to high-temperature exhaust gases.
  10. General Fabrication: Utilized in various fabrication projects requiring high-temperature strength and corrosion resistance.

Ambica Steels India Limited is a trusted manufacturer of stainless steel wires, specializing in ER 310 core wire, known for its exceptional heat resistance, strength, and weldability. If you’re looking for top-quality ER 310 core wire, our experts are ready to assist with inquiries and provide customized solutions. Contact us now!