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80S-B6 is a low alloy Cr-Mo filler commonly used in the oil and chemical industries where base metal such as 5% Cr, 1/2% Mo steels are found. Typical base metals found in this group are ASTM grades: A182-F5/F5a, A336-F5/F5a, A199-T-5, A200-T5, A213-T5, A335-P5, A369-FP5, A426-CP5, A217-C5, and A387-Gr5. Controlled preheat, interpass and postheat treatment may be needed. 80S-B6 is similar to the previously classified ER502 in AWS A5.9-93. USA 80S-B6 (502) is used for welding AISI type 502 stainless steels and 5% chrome moly steels.

  • Size: 3/32 in.
  • Length: 36 in.
  • Tensile Strength: 80,000 psi min.
  • Yield Strength: 68,000 psi min.
  • Elongation: 17% min.
  • Type: Low alloy Cr-Mo filler
  • Typical Base Metals: 5% Cr, 1/2% Mo steels
  • ASTM Grades Compatible: A182-F5/F5a, A336-F5/F5a, A199-T-5, A200-T5, A213-T5, A335-P5, A369-FP5, A426-CP5, A217-C5, A387-Gr5
  • AWS Specification: ANSI/AWS A5.28 ER 80S-B6
  • ASME Specification: ASME SFA 5.28 ER 80S-B6
  • Carbon: 0.10% max
  • Manganese: 0.40-0.70%
  • Silicon: 0.50% max
  • Phosphorus: 0.025% max
  • Sulfur: 0.025% max
  • Molybdenum: 0.45-0.65%
  • Chromium: 4.50-6.00%
  • Nickel: 0.60% max
  • Copper: 0.35% max

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