Dual Shield II 712X

Dual Shield II 712X is an all‑position gas‑shielded flux‑cored wire designed for high‑toughness welds in demanding environments.

Key Features

• Produces Charpy V‑Notch impact values >40 ft‑lb (68 J) at –60 °F (-51 °C)
• Crack Tip Opening Displacement >20 mils (0.5 mm) at –40 °F (-40 °C)
• Low spatter and smooth arc characteristic of Dual Shield wires
• Compatible with 75% Ar / 25% CO₂ shielding gas

Specifications

• Classifications: ASME SFA 5.36, ASME SFA 5.20, AWS A5.36 E71T1‑M21A6‑CS2‑H8, AWS A5.20 E71T‑1MJH8/T‑9MJH8/T‑12MJH8
• Approvals: CWB W48 E491T‑12MJ‑H8, ABS, DNV‑GL, LR
• Yield Strength: 540 MPa (As Welded, 75% Ar/25% CO₂)
• Tensile Strength: 570 MPa (As Welded, 75% Ar/25% CO₂)
• Elongation: 28 % (As Welded)
• Charpy Impact: 175 J at –18 °C, 125 J at –40 °C, 62 J at –51 °C (As Welded, 75% Ar/25% CO₂)
• Typical Weld Metal Chemistry: C 0.05 %, Mn 1.1 %, Si 0.3 %, S 0.010 %, P 0.009 %

Applications

• Offshore oil components
• Shipbuilding and barge construction
• Heavy equipment fabrication
• Structural steel, bridges, pressure vessels