PEONY (MUDAN) HJ431 (Fused) Submerged Arc Welding Flux
HJ431is afused high-Mn high-Si low-F fluxwith reddish-brown to pale yellow glassy particles (grain size: 16-40 mesh). AC/DC compatible withoptimal performance under DC+ polarity. Deliversexcellent slag removalandaesthetic bead formation.Applications:Matched
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Standard:
GB/T36037-2018
GB/T5293-2018 - WhatsApp:+44 736311459
- Office: Jianfu Industrial Park, No.79 Wengexing Road, Liaobu Town, Dongguan City, Guangdong Province
- Email: info@coboltwelding.com
Product description
HJ431 is a fused high-Mn high-Si low-F flux with reddish-brown to pale yellow glassy particles (grain size: 16-40 mesh). AC/DC compatible with optimal performance under DC+ polarity. Delivers excellent slag removal and aesthetic bead formation.
Applications:
Matched with H08A/H08MnA/H10MnSi wires for welding:
• Carbon steels & low-alloy steels (e.g., 16Mn, 15MnV)
• Boilers, ships, pressure vessels (ASME Sec. VIII)Compatible with electroslag welding and copper welding.
Mechanical Performance of Deposit Metal (H08A/SU08A)
Tensile Strength MPa (N/mm²): 460
Yield Strength (MPa): 350
Elongation A (%): 27
Impact Energy (J): -20℃=77
Chemical Composition (%)
Precautions:
Electrode baking: 250°C × 2 hours pre-weld.
Base metal cleaning: Remove rust, oil, and moisture.