Wear resistant welding wire is a kind of welding wire resistant to more than two types of combined wear.Classification method: 1. It can be divided into two categories according to its chemical composition;That is, iron based hardfacing wear-resistant welding wire and non iron based hardfacing wear-resistant welding wire.Each category can be divided into several sub categories according to its chemical composition or microstructure.For example, iron based hardfacing wear-resistant welding wires can be divided into high chromium alloy hardfacing wear-resistant welding wires, tungsten carbide hardfacing wear-resistant welding wires, etc. Non iron based hardfacing wear-resistant welding wires can be divided into cobalt based hardfacing wear-resistant welding wires and nickel based hardfacing wear-resistant welding wires.2. According to the welding wire structure, it can be divided into solid wire and flux cored (also called tubular) wire.3. According to the welding process, it can be divided into gas shielded welding, submerged arc welding, flame surfacing, plasma surfacing and surfacing wear-resistant welding wire for spraying (welding).
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