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ESAB

DUAL SHIELD II 70T-12H4

DUAL SHIELD II 70T-12H4

Each of the new Dual Shield II H4 wires is an all-position flux cored wire that provides excellent low temperature toughness in both the as welded and/or stress relieved conditions (as applicable) when used with 75% Ar / 25% CO2. Each can produce diffusible hydrogen levels of 4 mL/100g over a wide range of welding parameters. Dual Shield II 70T-12H4 also provides the smooth arc and low spatter levels characteristic of other Dual Shield II wires. Dual Shield II 70T-12H4 can be used in construction, heavy equipment fabrication, offshore oil components, shipbuilding, and railcar. Weld metal analysis is similar to E7018.

Where To Buy


Industries

  • Bridge Construction
  • Civil Construction
  • Mobile Equipment
  • Industrial and General Fabrication
  • Railcars
  • Ship/Barge Building

Welding Process

  • Welding-FCAW - Flux Core Arc Welding

Specifications


Typical Tensile Properties

75% Ar - 25% CO2
Condition Elongation Reduction in Area Tensile Strength Yield Strength Stress Relieved Temperature Stress Relieved Testing Time
As Welded 27 % 71 % 80 ksi 72 ksi - -
Stress Relieved 30 % 73 % 78 ksi 68 ksi 1150 °F 2 hr

Typical Charpy V-Notch Properties

75% Ar - 25% CO2
Condition Impact Value Stress Relieved Testing Temp Stress Relieved Testing Time Testing Temperature
Stress Relieved 76 ft-lb 1150 °F 2 hr -20 °F
As Welded 62 ft-lb - - -40 °F
As Welded 79 ft-lb - - -20 °F

Typical Weld Metal Analysis %

ELEMENTVALUES
PMnCSSi
75% Ar - 25% CO2
PMnCSSi
0.012 %1.18 %0.049 %0.007 %0.37 %

Approvals: ABS; CWB; CSA W48 E491T-12MJ-H4; DNV-GL; LR
Classifications: ASME SFA 5.36; ASME SFA 5.20; AWS A5.36; E71T1-M21P2-CS2-H4; AWS A5.36; E71T1-M21A4-CS2-H4; AWS A5.20; E71T-1MJ-H4/T-9MJ-H4/T-12MJ-H4

Approvals are based on factory location. Please contact ESAB for more information.


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