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According to the basic requirements for bearing steel , the following basic requirements are submitted to the metallurgical quality of bearing steel. 1. Strict Chemical Composition Requirements Generally, bearing steel is mainly high-carbon chromium-bearing steel. Chromium can improve thermal treatment performance, organize uniformity, ignition stability, and improve the rust-proof and grinding performance of steel. Only by strictly controlling the chemical ingredients in the bearing steel can the tissue and hardness of the bearing performance be obtained through thermal processing processes. 2. Higher Dimensional Accuracy Requirements For the bearing steel for forging on a high-speed forged machine, it should have higher requirements for its size and accuracy. Rolling shaft bearing steel requires high size and accuracy because most of the bearing parts must be formed by pressure. If the size of the steel is not high, it cannot accurately calculate the size and weight of the feeding, a

Steel angles , also known as angle irons or angle bars, are finished steel goods produced by hot-forming semi-finished carbon steel. The most optimal composition for steel angles, which are mostly used to support structures, is a low alloy, high-strength steel with improved ductility and toughness. In light of this, there are numerous applications for steel angles, including those in utility carts, support frames for shelves, equipment production, warehouses, and bridge ways. Despite being the simplest kind of roll-formed steel, steel angles have many benefits, particularly when it comes to framing, reinforcing, decorative trimmings, brackets, and the like. Depending on the purpose, these angle bars have proven a dependable assembly component or building material thanks to the low-alloy steel's inherent qualities. Applications of Steel Angles Used in Bridge Any component of a bridge can be made out of steel angles. The angles for the deck can strengthen the concrete and reduce the