About ER 430LNb Mig Wire

ER 430LNb MIG wire is a stainless steel welding wire used for applications requiring excellent corrosion resistance and high-temperature strength. It contains niobium for improved mechanical properties and weldability. Ideal for automotive exhaust systems and other high-temperature environments, it ensures strong, reliable welds with minimal defects.

ER 430LNb Mig Wire Chemical Compositions:

ER 430LNb MIG wire typically has the following chemical composition:

  • Chromium (Cr):0 – 18.0%
  • Nickel (Ni): ≤ 0.75%
  • Manganese (Mn): ≤ 1.0%
  • Silicon (Si): ≤ 1.0%
  • Phosphorus (P): ≤ 0.040%
  • Sulfur (S): ≤ 0.030%
  • Niobium (Nb):3 – 0.6%
  • Carbon (C): ≤ 0.03%
  • Iron (Fe): Balance

This specific composition provides enhanced weldability and resistance to corrosion and high temperatures.

ER 430LNb Mig Wire Physical Properties:

ER 430LNb MIG wire physical properties typically include:

  1. Density: Approximately 7.70 g/cm³
  2. Melting Point: Around 1450°C (2642°F)
  3. Tensile Strength: Approximately 550 – 650 MPa
  4. Yield Strength: Typically around 250 – 400 MPa
  5. Elongation: Approximately 20 – 30%
  6. Thermal Conductivity: About 25 W/m·K
  7. Electrical Resistivity: Approximately 600 µΩ·cm

These properties contribute to its effectiveness in high-temperature and corrosion-resistant applications.

ER 430LNb MIG wire Mechanical properties:

ER 430LNb MIG wire mechanical properties typically include:

  • Tensile Strength: Approximately 550 – 650 MPa
  • Yield Strength: Typically around 250 – 400 MPa
  • Elongation at Break: Approximately 20 – 30%
  • Hardness: Typically in the range of 150 – 200 HV
  • Impact Toughness: Good toughness at room temperature
  • Modulus of Elasticity: Approximately 200 GPa
  • Fatigue Strength: Good resistance to cyclic loading and fatigue

These properties make ER 430LNb suitable for demanding applications requiring durability and reliability.

ER 430LNb MIG wire Applications.

ER 430LNb MIG wire is used in a variety of applications, particularly where high-temperature strength and corrosion resistance are critical. Key applications include:

  1. Automotive Exhaust Systems: For welding components exposed to high temperatures and corrosive environments.
  2. Heat Exchangers: Used in industries where thermal efficiency and corrosion resistance are required.
  3. Furnace Parts: Suitable for parts exposed to high temperatures in industrial furnaces.
  4. Food Processing Equipment: Ensures sanitary conditions and resistance to corrosive cleaning agents.
  5. Petrochemical Industry: For welding components that need to withstand aggressive chemical environments.
  6. Power Generation: Utilized in parts exposed to high thermal stresses.
  7. Chemical Processing Equipment: Ideal for applications requiring resistance to corrosion from chemicals.