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BBN bp440 bulletproof application steel number chemical composition

location: home > news >BBN bp440 bulletproof application steel number chemical composition

The development BP440 bulletproof application of the company comes from the resource advantage, service advantage, logistics advantage and brand advantage established over the years, and it is also inseparable from the full support of new and old customers. We will uphold the support of all sectors of society, actively provide users with BP440 bulletproof application high-quality and efficient services, work together for win-win, and create a better tomorrow!

Steel pipe refers to the steel with openings at both ends and hollow section, and its length is larger than that of surrounding steel. According to the processing technology, it can be divided into seamless steel pipe and welded steel pipe, BP440 bulletproof application. The production methods mainly include hot rolling, cold rolling, extrusion, cold drawing, forging, welding, etc. The size range of steel pipe is very wide, from capillary with small diameter to large diameter pipe with several meters. Steel pipe can be used for pipeline, thermal equipment, mechanical industry, petroleum geological exploration, container, chemical industry and special purpose.

Quenching is a heat treatment process in which steel parts are heated to above the critical temperature, and after proper heat preservation, the parts are quickly cooled to room temperature in water or oil, so that martensite transformation occurs. The hardness of the quenched BP440 bulletproof application increases sharply. Quenching is to prepare the organization for adjusting and improving the performance of BP440 bulletproof application during tempering, while tempering determines the performance and life of the workpiece.

30CrNi3MoV(675) plate is a high-strength and high-toughness steel plate. The main mechanical properties of 30CrNi3MoV high-strength steel are: hardness HRC40-42, tensile strength 1280MPa. BP440 bulletproof application, 30CrNi3MoV high-strength steel is a special difficult-to-machine material for a certain weapon model, and the milling performance of 30CrNi3MoV steel is poor.

Pre:bp440 steel used for safety gate steel with 15mm thickness

NextWhat is bp440 steel armor plate equivalent grade in China

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