1. 2Cr13 welding wire is primarily used for the repair of carbon steel and low-alloy steel components or as a transition layer for other surfacing materials. 

 2. 2Cr13 welding wire is mainly used for the surfacing and repair of hot-rolling rollers and other wear-resistant parts. 

 3. 2Cr13 welding wire is a martensitic surfacing flux-cored wire containing 13% chromium, offering corrosion and wear resistance. It is suitable for hardfacing applications on continuous casting rollers, steam valves, wedge valves, and valve components.

 4. 2Cr13 welding wire is used for hardfacing on hot-rolling rollers and continuous casting rollers at elevated temperatures. The surfacing layer exhibits excellent corrosion resistance, wear resistance, and thermal shock resistance.

 5. 2Cr13 welding wire is a ferritic surfacing flux-cored wire containing 17% chromium, used for corrosion-resistant hardfacing. It provides good high-temperature corrosion resistance and is also used for root welding of stainless steel clad steel.

6. 2Cr13 welding wire is a nitrogen-containing martensitic surfacing flux-cored wire, where nitrogen replaces carbon to enhance its hardness and crack resistance. It offers excellent corrosion resistance, wear resistance, and thermal shock performance.