Dual Shield II 101H4M

Dual Shield II 101H4M is a low‑hydrogen, gas‑shielded flux‑cored welding wire designed for HY‑80 and HSLA‑100 steels, ideal for shipbuilding and offshore applications. It meets MIL‑E‑24403/2 and ABS approvals and delivers low diffusible hydrogen levels (< 4 mL/100 g).

Key Features

• All‑position FCAW wire with excellent low‑temperature toughness
• Produces diffusible hydrogen < 4 mL/100 g
• Compatible with 75% Ar / 25% CO₂ shielding gas
• Meets MIL‑E‑24403/2, QPL‑24403/2 and ABS approvals
• Suitable for single and multi‑pass welding of HY‑80, HSLA‑100, and other high‑strength steels

Specifications

• Classifications: ASME SFA 5.36, ASME SFA 5.29, AWS A5.36 E91T‑M21A6‑K2H4, AWS A5.29 E91T1‑GM‑H4
• Approvals: QPL‑24403/2 (MIL‑101™), ABS
• Tensile Strength (As Welded, 75% Ar/25% CO₂): 705 MPa
• Yield Strength (As Welded, 75% Ar/25% CO₂): 640 MPa
• Impact Energy (As Welded, −18 °C): 95 J; (−50 °C): 66 J
• Typical Weld Metal Chemistry (%): C 0.059, Mn 1.37, Si 0.36, S 0.010, P 0.012, Ni 2.09
• Recommended Wire Diameters: 1.2 mm, 1.4 mm, 1.6 mm with corresponding amperage and voltage ranges

Applications

• Ship and barge construction
• Offshore platform fabrication
• Pipeline welding
• Heavy equipment and mobile machinery
• General structural steel and pressure vessel fabrication