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ER320LR is basically a modified version of ER320, where the “residuals’’ — carbon, silicon, phosphorus and sulfur are specified at lower maximum levels. The columbium and manganese content of ER320LR is also maintained within a tighter range. These strict controls eliminate hot cracking and microfissuring frequently encountered in austenitic stainless steel.

  • Alloy Type: ER320LR
  • Material Type: Austenitic Stainless Steel
  • Size: 1/8 in.
  • Weight: 10 lb
  • AWS: AWS A5.9
  • Tensile Strength: 86,000 psi
  • Yield Strength: 57,000 psi
  • Elongation: 35%
  • Carbon Content: 0.025%
  • Manganese Content: 1.60%
  • Copper Content: 3.40%
  • Molybdenum Content: 2.50%
  • Nickel Content: 34.10%
  • Chromium Content: 19.60%
  • Niobium (Cb + Ta) Content: 0.25%

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