Development of 1469 low-alloy wear-resistant steel plate for tamping vehicles
In general, a tamping vehicle is basically a bulldozer on tracks that compacts roadbed material, such as gravel, soil, or asphalt. During operation, these machines experience a sliding friction force from their wheels on the material, which can result in their wear. Since the material being tamped changes according to the terrain, it is important to find a wear-resistant steel that can accommodate all types of grounds. The 1469 low-alloy wear-resistant steel plate is specially designed to provide protection against such wear.
The 1469 low-alloy wear-resistant steel plates are produced using hot-rolling or cold-rolling processes. These processes are carried out using high-quality steel billets produced with special thermal treatment. The composition of the 1469 low-alloy wear-resistant steel plate consists of high-quality steel allocations ranging from 0.18% to 2.00%. The most common alloying elements found in this alloy include nickel, chromium, manganese, and molybdenum.
The 1469 low-alloy wear-resistant steel plate features a special modulation heat treatment process, which ensures high-strength and durability. There are three different hardening depth options: shallow hardening, medium hardening, and deep hardening. The shallow hardening process can be done by water quenching, making it suitable for lower-power components. The medium hardening process usually requires oil quenching, making it ideal for medium-power components. The deep hardening process requires austenite stabilization and involves heat treatment at a much higher temperature. This makes the steel plate ideal for higher-power components and parts subjected to continuous and frequent wear.
The 1469 low alloy wear-resistant steel plate also features excellent ductility. After heat treatment, its tensile strength can reach up to 1500MPa. Its average hardness can reach 59 Rockwell C and the surface hardness can reach above 290HBW. This characteristic of the steel plate gives it increased stability and helps the tamping vehicle to perform relatively better on difficult ground conditions.
The 1469 low alloy wear-resistant steel plate provides optimal performance for tamping vehicles, ensuring greater protection against wear and tear. Its heat treatment process can provide excellent strength and resistance to wear, so that the tamping vehicle can work longer and in harsher conditions, resulting in greater productivity. The 1469 low alloy wear-resistant steel plate is, therefore, the ideal material for tamping vehicles and other applications subject to frequent and continuous wear.
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