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ER309L is similar to ER309 but contains an average .02% carbon to provide a weld deposit that will offer good resistance against intergranular corrosion caused by carbide precipitation. ER309L is excellent for buttered passes and overlay work. Typical applications include those of ER309 welding wire.

  • Wire Diameter: 0.035 in.
  • Weight: 11 lb
  • Alloy / Product Title: ER309L-SI
  • AWS Specification: AWS A5.9 ER309/309L
  • ASME Specification: ASME SFA 5.9 ER309L
  • Material Type: Austenitic Stainless Steel
  • Typical Tensile Strength: 87,200 psi
  • Typical Yield Strength: 58,000 psi
  • Typical Elongation: 40%
  • Wire Chemistry - Carbon: 0.01-0.02%
  • Wire Chemistry - Manganese: 1.88%
  • Wire Chemistry - Silicon: 0.42%
  • Wire Chemistry - Molybdenum: 0.08%
  • Wire Chemistry - Nickel: 13.74%
  • Wire Chemistry - Phosphorus: 0.020%
  • Wire Chemistry - Chromium: 23.03%
  • Wire Chemistry - Sulfur: 0.001%
  • Wire Chemistry - Copper: 0.11%
  • Wire Chemistry - Nitrogen: 0.062%

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