65Mn Q/ASB 84-2019 Hot rolled steel wire for saw blades

65Mn steel is a kind of high carbon and low alloy steel, with excellent wear resistance, hardenability, tempering stability and certain toughness. This steel is widely used in the manufacture of saw blades, springs, wear parts and so on. In the manufacture of saw blades, 65Mn steel has become one of the main materials because of its good comprehensive properties.

Hot rolled steel wire product produced by hot rolling process. In the process of hot rolling, the billet is continuously rolled by the mill at high temperature to form a steel wire with a certain diameter and mechanical properties. For 65Mn hot-rolled steel wire for saw blades, the production process usually includes the steps of billet heating, rolling, cooling and coiling.

65Mn Chemical element content (%)

65Mn saw blade with hot rolled steel wire performance characteristics:

1. High strength: The high carbon content of 65Mn steel makes it have high strength, suitable for manufacturing saw blades that need to withstand large cutting forces.

2. Good wear resistance: After proper heat treatment, 65Mn saw blade with hot rolled steel wire can form a high hardness surface layer, thereby improving the wear resistance of the saw blade.

3. Anti-tempering stability: 65Mn steel is not easy to soften at high temperatures, and can maintain stable performance during the use of the saw blade.

4. Certain toughness: Although the carbon content of 65Mn steel is high, through reasonable composition adjustment and heat treatment process, it can be made to ensure strength while having a certain toughness to prevent the saw blade from brittle fracture during cutting.

65Mn mechanical properties

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