Hilco

Hilchrome 307R welding electrodes E307-16 - E 18 8 Mn R 12

RCEB0326-A24F24C4-1ABD-4C51-AD

Hilchrome 307R is a rutile basic coated electrode for joining dissimilar steels and difficult-to-weld steels. Typical applications include joining 14Mn steels, spring steels, tool steels, and high carbon steels. This electrode is recommended for buffer layers prior to surfacing. The deposit weld metal features strain hardenability, excellent cavitation resistance, thermal shock resistance, crack resistance and scaling resistance up to 850ºC. Hilchrome 307R is a core wire alloyed all-current type (AC/DC).

Standards

  • AWS A5.4: E307-16 (modified)
  • EN ISO 3581-A: E 18 8 Mn R 1 2
  • Working material number: 1.4370

Type of coating

  • Rutile-basic

Current type

  • AC/DC

Welding positions

  • All positions, except vertical downward

Basic materials to be welded

  • Armor plate
  • Hard steels, including difficult-to-weld steels
  • Non-magnetic austenitic steels
  • Treatment-hardenable austenitic manganese steels
  • Heat-resistant, ferritic chromium steels
  • Bonding of dissimilar materials

Applications

  • Repairs and maintenance
  • Transportation and crane building
  • Processing industry

Chemical composition

  • Carbon (C): 0.10%
  • Manganese (Mn): 7.0%
  • Silicon (Si): 0.60%
  • Chromium (Cr): 18.5%
  • Nickel (Ni): 8.0%

Mechanical Properties

  • Condition: as welded
  • 0.2% Yield strength: ≥ 390 MPa
  • Tensile strength: ≥ 620 MPa
  • Elongation Lo = 5d: ≥ 35%
  • Impact values:
    • 20 ºC: ≥ 70 J
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