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When it comes to steel plate cutting, cutting techniques can be further subdivided according to different classification standards. Divided by cutting temperature, including cold cutting and hot cutting. Cold cutting can be further classified into water jet cutting and abrasive cutting; while thermal cutting includes flame cutting, plasma cutting and laser cutting.
In addition, for the cutting of high-grade thick plates, flame cutting will become popular, and the cutting process is as simple as mild carbon steel and low-alloy steel.
Waterjet cutting uses a highly concentrated stream of water to cut materials up to 13 inches thick, providing a smooth and extremely precise cut. The accuracy of waterjet cutting can exceed that of laser cutting because the edge smoothness can be better and there is no heat distortion.
During the cutting process, the ultra-high-pressure waterjet cutting machine is composed of a three-dimensional numerical control machine tool, an oil pump booster generating ultra-high pressure system, and a related computer-aided design system to perform high-speed and rapid cutting of the steel plates.
A3 steel plate, as a kind of mild carbon steel plate, the hardness change after cutting mainly depends on the cooling of the steel plate, and has nothing to do with the cutting technique
If thermal cutting is used, part of the carbon elements inside the steel plate will penetrate into the surface of the plate. If rapid cooling is performed, the hardness of the steel plate will increase, and vice versa
