10 welding-alloys.com Nickel Based Alloys Product Welding process Standard diameters [mm] EN 14700 standard Description and applications STELLOY C -O 2.4 - 2.8 T Ni2 Nickel based alloy cored wire with a chemical analysis matching the C276 parent alloy (Ni-15%Cr-16%Mo-4%W). Resists oxidation, corrosion to a wide range of media and mechanical or fatigue stresses at high temperatures up to 1100 °C. High tolerance to dilution makes this flux cored wire suitable for buffering before hardfacing with STELLOY NI520 or STELLOY NI519Co2 Applications: Ring rolling cones, extrusion equipment, impression dies, hot shearing blades. -G 1.6 - 2.4 -S 2.4 - 3.2 STELLOY CCo -O 2.4 - 2.8 T Ni2 Nickel based alloy (NiCrMo) with addition of cobalt. Resists oxidation, corrosion to a wide range of media and mechanical stresses at high temperatures up to 1100 °C. Cobalt gives the deposit improved resistance to high temperature, thermal fatigue and high temperature corrosion. Applications: Tube extension dies, mill guides, hot extrusion dies, hot working tools, ring rolling cones, impression dies, hot shearing blades. -G 1.6 - 2.4 STELLOY NI520 -G 1.6 - 2.4 T Ni4 Nickel based superalloys offering extremely high temperature resistance combined with good mechanical properties, thermal shock and corrosion resistance. Titanium and aluminium elements form intermetallic precipitates at the grain boundaries which strengthen the welding deposit. Recommended with a buffer layer of STELLOY C or STELLOY CCo. Applications: High speed forging tools, tube extrusion mandrels, forging hammers, rotary dies and flat dies. STELLOY NI519Co2 -G 2.4 T Ni4 Nickel based superalloys offering extremely high temperature resistance combined with good mechanical properties, thermal shock and corrosion resistance. Titanium and aluminium elements form intermetallic precipitates at the grain boundaries, which strengthen the welding deposit. Recommended with buffer layer of STELLOY C or STELLOY CCo. Applications: High speed forging tools, forging hammers. Gas shielded (-G) Open arc / self shielded (-O) Submerged arc (-S)
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