Select 71T-HYN

Carbon Steel / Flux Cored / Gas Shielded


Features

  • Designed for ease of welding in all positions
  • Mechanical properties exceed the minimum AWS requirements
  • Intended for use with 75-80% Ar/balance CO₂ shielding gas
  • Excels in general fabrication, structural steel, and shipbuilding applications
  • Developed primarily to meet the strict criteria of the classification MIL-71T-HYN per MIL-DTL-24403/1F, which includes high and low heat input properties in both the as welded and post weld heat treated conditions

Standard Diameters

in (mm)
  • 0.045 (1.2)
  • 0.052 (1.3)

Welding Positions

All Positions

Shielding Gas

  • 75% Ar / 25% CO₂
    Flow Rate: 40 – 50 CFM

Polarity

Direct Current Electrode Positive (DCEP)

Conformances

  • ASME SFA 5.20
    • E71T-1M-H8
    • E71T-9M-H8
  • AWS A5.20
    • E71T-1M-H8
    • E71T-9M-H8
  • MILITARY MIL-DTL-24403/1F
    • MIL-71T-1-HYN-H8
  • TYPICAL WELD DEPOSIT CHEMISTRY (WT%)
    Shielding Gas C Cr Cu Mn Mo Ni P S Si V
    75% Ar/25% CO₂ 0.05 0.03 0.02 1.35 0.00 0.41 0.006 0.006 0.32 0.02
    Typical Mechanical Properties
    Shielding Gas Tensile Strength
    ksi (MPa)
    Yield Strength
    ksi (MPa)
    Elongation
    (%)
    WeldCondition PWHTTemp Charpy V-Notch
    -20 °F ft⋅lb (-29 °C J)
    Charpy V-Notch
    -40 °F ft⋅lb (-40 °C J)
    75%Ar / 25%CO2 89 (614) 81 (559) 28 As-Welded 80 (108) 39 (53)

    Packaging (lbs (kg))

    33 (15) Spools, 60 (27.2) Coils, 500 (226.8) Round Drum, 800 (362.9) Hex Drum, 900 (408.2) Hex Drum

    *Some packaging options may not be available depending on diameter and product. Special package options may be available upon request.