9745.3655S - Josef 14% Manganese Hardfacing Electrode 3.2mm (20kg Bulk)

Premium 14% Manganese Stick Electrodes for High-Impact Applications

The Josef 14% Manganese Stick Electrode (3.2mm) is a specialized consumable designed for the welding, repairing, and surfacing of austenitic manganese steels (often referred to as Hadfield steel). Packaged in a substantial 20kg bulk format, this product is engineered for heavy industrial environments where equipment is subjected to severe impact and shock loading. The electrode deposits a fully austenitic weld metal that is non-magnetic and extremely tough. While the deposit is relatively soft upon welding (approximately 200 HB), it possesses the unique metallurgical ability to work-harden rapidly when subjected to impact in service, reaching hardness levels of up to 50-55 HRC.

This work-hardening characteristic makes the Josef 14% Manganese electrode indispensable in the mining, quarrying, and railway industries. Unlike standard hardfacing rods that rely on carbides for abrasion resistance, these electrodes rely on the transformation of the austenitic structure under stress to resist deformation and wear. This mechanism ensures that the material does not spall or crack under heavy blows, a common failure mode for harder, more brittle martensitic alloys. It is specifically formulated to join manganese steel to itself or to carbon steels, making it a versatile solution for structural repairs on heavy machinery.

Operators will appreciate the smooth arc stability and excellent bead contour provided by the coating formulation. The electrode runs effectively on both AC and DC+ currents, offering flexibility depending on the available power source. When welding manganese steel, it is critical to maintain low heat input to prevent embrittlement of the base metal; the Josef 14% Manganese electrode is designed to melt off evenly at moderate amperages, assisting the welder in controlling the thermal cycle. Whether rebuilding worn crusher jaws, restoring the profile of hammer mill hammers, or repairing railway frogs, this electrode delivers a deposit that extends the service life of critical components.

Technical Specifications & Usage

• Alloy Type: Austenitic 14% Manganese
• Diameter: 3.2mm
• Package Weight: 20kg
• Hardness: As-welded ~200 HB; Work-hardened ~50-55 HRC
• Current: AC / DC+ (Reverse Polarity)