Introduction

When welding jobs demand unmatched heat resistance and mechanical strength, MAXIDURA 124 Welding Electrode delivers. Specially designed to operate at temperatures up to 1400°C, this electrode ensures superior performance in extreme industrial conditions. Whether it’s furnace components, boilers, or high-temperature repair work, MAXIDURA 124 provides strength, stability, and durability that professionals can trust.

Why Choose MAXIDURA 124 Welding Electrode?

The MAXIDURA 124 Welding Electrode is engineered for welding heat-resistant 25Cr/20Ni stainless steels. Its fully austenitic weld deposit provides excellent structural stability, while the low carbon content minimizes carbide precipitation and prevents cracking. This makes it an ideal choice for industries where high heat and oxidation are daily challenges.

Key Benefits:

• 1400°C Heat Resistance – Handles continuous exposure to extreme temperatures.

• Crack-Free Welds – Special alloy composition resists thermal stress.

• Smooth Arc Control – Stable arc with low spatter for neat welds.

• All-Position Performance – Works in flat, vertical, horizontal, and overhead positions.

• Versatile Use – Suitable for welding dissimilar metals, including stainless to carbon steel.

Applications of MAXIDURA 124

This electrode is a go-to solution for industries requiring both strength and heat resistance.

Common Applications:

• Furnace parts – radiant tubes, burner tips, and heat shields.

• Boilers and kilns – for structural welds in high-heat environments.

• Heat exchangers – oxidation-resistant joints for long service life.

• Power plants – turbine casings and thermal unit repairs.

• Cement & steel plants – linings, ducts, and wear-resistant components.

• Dissimilar welds – stainless steel to mild steel or alloy steels.

Technical Specifications

• Alloy Base: Fe, Cr, Ni

• UTS: 54–67 kgf/mm²

• Elongation: 32–34%

• Polarity: AC or DC(+)

• Available Sizes & Amperage:

  • 3.15×350 mm → 90–120A

  • 4.0×350 mm → 120–160A

Welding Procedure for Best Results

1. Surface Preparation: Remove rust, scale, and oil before welding.

2. Beveling: For thick sections, prepare a 45° vee.

3. Fit-Up: Ensure proper joint alignment.

4. Welding Technique: Use a stringer bead method and maintain a short arc length.

5. Heat Control: Avoid overheating the base metal to reduce distortion.

6. Polarity Selection: DC+ for deep penetration and smooth finish.

Comparison with SS-310 Electrodes

While SS-310 electrodes are excellent for high-heat applications up to 1200°C, MAXIDURA 124 offers a significant advantage in environments reaching 1400°C. Its enhanced oxidation resistance and fully austenitic weld metal provide a longer service life under extreme conditions, making it the preferred choice for heavy-duty industrial projects.

Storage & Handling

Store electrodes in a dry place, away from humidity. In case of moisture absorption, rebake at 250°C–300°C for one hour before use. This ensures consistent arc stability and prevents porosity in the weld deposit.

Conclusion

If your projects involve continuous exposure to extreme heat and corrosive conditions, the MAXIDURA 124 Welding Electrode is the performance-driven solution you need. With its 1400°C heat resistance, crack-free welds, and smooth arc control, it’s the trusted choice for industries where failure is not an option.

Explore more stainless steel welding solutions on our SBAC Welding Electrodes Page.