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12018M is an all-position, low-hydrogen iron powder electrode containing manganese, chromium, nickel and molybdenum. 12018M was developed for welding high strength steels requiring a weld deposit tensile strength of 120,000 psi minimum. The weld deposits of 12018M have excellent impact properties and are X-ray quality. 12018M is designed for welding high tensile strength steels such as ASTM A148 Gr. 120-95, A238 Gr.F, A291 class 4, A514 and many other specifications all requiring a weld deposit tensile strength of 120,000 psi minimum.

  • Tensile Strength: 138,000 psi
  • Weld Deposit Tensile Strength: 120,000 psi minimum
  • Yield Strength: 117,000 psi
  • Elongation: 20% in 2 in
  • Charpy V-notch Impact: 36 ft lbs at -60 F
  • Typical Welding Current Flat Position: 55-350 A depending on diameter
  • Typical Welding Current Vertical & Overhead: 50-190 A depending on diameter
  • Size: 5/32 in
  • Diameter Sizes: 3/32 in, 1/8 in, 5/32 in, 3/16 in, 1/4 in
  • Weight: 10 lb
  • Electrode Type: Coated Electrode
  • Position: All-position
  • Hydrogen Content: Low-hydrogen
  • Material Composition: Iron powder, Manganese, Chromium, Nickel, Molybdenum
  • Carbon Content: 0.08%
  • Manganese Content: 1.46%
  • Silicon Content: 0.30%
  • Chromium Content: 0.98%
  • Nickel Content: 1.86%
  • Molybdenum Content: 0.41%
  • Welding Procedures: DCEP & AC
  • AWS A5.5: E12018M
  • Specifications: ANSI/AWS A5.5 E12018M, ASME SFA 5.5 E12018M

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    Product sheets
    Safety Data Sheet