Flux-Cored Wires - Gas-Shielded view all

UltraCore® SR-12H

15lb plastic spools Ultracore 71A85


AWS: E71T-12M-JH4, E71T1-M21A4-CS2-H4

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Top Features

  • Impact Toughness – capable of producing weld deposits with impact toughness of 70 - 110 ft·lbs @ -40°F (as welded and after 8 hrs. PWHT @ 1150°F)
  • Diffusible Hydrogen – meets H4 diffusible hydrogen levels
  • Q2 Lot® Controlled and Tested – certificate showing actual deposit chemistry and mechanical properties per lot available online
  • Prior to Using this Material for ASME Boiler and Pressure Vessel Code Section III applications, please contact the Lincoln Electric Specials Department to receive a Certified Material Test Report (CMTR) which meet all requirements of NCA-3860

Typical Applications

  • Nuclear applications
  • Applications requiring PWHT of mild steel

Welding Positions


Shielding Gas

  • Mixed Shielding Gas

Special Features

Where To Buy

Consumable Details

Diameter (in)
Diameter (mm)
Product Number
15 lb Spool (60 lb Carton)
UltraCore SR-12H
UltraCore SR-12H
UltraCore SR-12H
  • AWS A5.20/A5.20M: 2010 and ASME SFA-5.20: E71T-1M-JH4, E71T-9M-JH4, E71T-12M-JH4
ASME IX Qualification: QW432 F-No 6, QW442 A-No 1