High-strength wear-resisting flux-cored wire
A flux-cored wire, high-strength technology, used in welding media, welding equipment, welding/cutting media/materials, etc., can solve the problem that the surfacing alloy does not meet the requirements of use, poor toughness, strength and wear resistance, and the life of metal components. It can improve the comprehensive mechanical properties and corrosion resistance, good deoxidation, and improve the droplet transfer process.
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Embodiment 1
[0019] A high-strength wear-resistant flux-cored welding wire proposed by the present invention is composed of a flux core and a sheath coated on the outside of the flux core. The components of the flux core include: Si: 0.7%, B: 0.6%, Cu: 0.6%, C: 2.5%, Mn: 1%, Ni: 0.1%, Al: 2%, Ti: 0.25%, Mo: 2%, V: 0.6%, Sn: 0.3%, Sr: 0.1%, Hf: 0.12%, Nd: 4%, Ce: 4%, Y: 5%, Eu: 1%, and the rest is Fe and unavoidable impurities.
Embodiment 2
[0021] A high-strength wear-resistant flux-cored welding wire proposed by the present invention is composed of a flux core and a sheath coated on the outside of the flux core. The components of the flux core include: Si: 0.5%, B: 1%, Cu: 0.35%, C: 4.2%, Mn: 0.7%, Ni: 0.3%, Al: 1%, Ti: 0.35%, Mo: 1%, V: 0.8%, Sn: 0.1%, Sr: 0.2%, Hf: 0.05%, Nd: 2%, Ce: 7%, Y: 2%, Eu: 2%, and the rest is Fe and unavoidable impurities.
Embodiment 3
[0023] A high-strength wear-resistant flux-cored welding wire proposed by the present invention is composed of a flux core and a low-carbon steel strip sheath coated on the outside of the flux core. The components of the flux core include: Si: 0.62%, B: 0.7 %, Cu: 0.46%, C: 3.14%, Mn: 0.85%, Ni: 0.16%, Al: 1.5%, Ti: 0.3%, Mo: 1.5%, V: 0.7%, Sn: 0.22%, Sr: 0.15 %, Hf: 0.08%, Nd: 3%, Ce: 5.6%, Y: 3.4%, Eu: 1.5%, and the rest are Fe and unavoidable impurities.
[0024] Among them, the filling rate of flux cored wire is 32%;
[0025] The diameter of the flux cored wire is 1.5mm;
[0026] The welding process parameters are as follows: welding voltage is 33V, welding current is 300A, wire feeding speed is 540mm / min, and the distance from which the welding wire extends out of the contact tip is 32mm.
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