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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.

  • Weight: 33 lb
  • Size: 0.030 in.
  • Alloy Type: ER309L
  • Specification Standards: ANSI/AWS A5.9 ER309L, ASME SFA 5.9 ER309L
  • Tensile Strength: 87,200 psi
  • Yield Strength: 58,000 psi
  • Elongation: 40 %
  • Carbon Content: 0.02 %
  • Wire Chemistry: Carbon 0.01%, Manganese 1.88%, Silicon 0.42%, Molybdenum 0.08%, Nickel 13.74%, Chromium 23.03%, Copper 0.11%, Phosphorus 0.020%, Sulfur 0.001%, Nitrogen 0.062%
  • Typical Gas Mix: 90% He, 7.5% Ar, 2.5% CO2
  • Base Metal Compatibility: Carbon or low alloy steels, 300 type stainless

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