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H-shaped steel can be produced by welding or rolling. Welding H-shaped steel is to cut strip steel with suitable thickness into suitable width, and weld the flange and web together on a continuous welding unit. Welding H-shaped steel has the disadvantages of h...

Shandong Tezhong Materials Co., Ltd. currently supports and supplies more than 500 varieties. Since it is difficult to find a suitable distinguishing standard among the many varieties, there is currently no unified classification method. 1. According to the s...

Original surface: NO.1 The surface subjected to heat treatment and pickling treatment after hot rolling. Generally used for cold-rolled materials, industrial tanks, chemical industry equipment, etc., with thicker thickness ranging from 2.0MM-8.0MM. Blunt surf...

The invention and use of stainless steel can be traced back to the First World War. At that time, British guns on the battlefield were always shipped back to the rear because the barrels were worn and unusable. The military production department ordered Harry ...

Color coated plate in welding due to external factors sometimes appear bubble phenomenon, this phenomenon will make the welding is not solid and also affect the aesthetic degree, so we should try to avoid this situation when welding, then what is the cause of ...

When inspecting steel bars, the first thing to do is to check the brand number and quality certificate of the steel bars; secondly, to check the appearance, take 5% of the steel bars from each batch, and check that there must be no cracks, wounds, or laminatio...

The heat treatment process of high-speed steel is relatively complex and must go through a series of processes such as quenching and tempering. Quenching is generally performed in two stages due to its poor thermal conductivity. First preheat at 800~850℃ (to...

The main alloying elements of alloy steel are silicon, manganese, chromium, nickel, molybdenum, tungsten, vanadium, titanium, niobium, zirconium, cobalt, aluminum, copper, boron, rare earths, etc.1. Carbon (C): As the carbon content in steel increases, the yie...

Angle steel can be used to form various stress-bearing components according to different structures, and can also be used as connectors between components. It is widely used in various building structures and engineering structures, such as house beams, bridge...

Wear-resistant steel plate consists of two parts: low carbon steel plate and alloy wear-resistant layer. The alloy wear-resistant layer is generally 1/3~1/2 of the total thickness. During operation, the matrix provides comprehensive properties such as strength...