GB 6653 gas cylinder steel plates and strips are steel designed for manufacture of welded gas cylinders. The hot rolled GB 6653 gas cylinder steel plates and strips thickness range is 2-14mm, and the cold rolled GB 6653 gas cylinder steel plates and strips thickness range is 1.5-4mm. GB 6653 technical standard specifies the size, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of HP235 steel, HP265 steel, HP295 steel, HP325 steel, HP345 steel plates and strips for welded gas cylinders. Hot rolled GB 6653 gas cylinder steel plates and strips shall be delivered in hot rolled, controlled rolled or heat treated condition. After negotiation between the supplier and the demander and indicated in the contract, hot rolling and pickling can be carried out. Cold rolled GB 6653 gas cylinder steel plates and strips are delivered in annealed condition.
S235JR carbon steel plate is a kind of hot-rolled non-alloy structural steel under European standard EN 10025-2. The S235JR carbon steel plate has good plasticity, toughness, weldability and cold bending. Please refer to the following table for specific parameters: EN 10025-2 S235JR carbon steel plate has been widely used in the structural industry and is also a necessity in the construction industry. BBN steel sells S235JR carbon steel plate up to 500,000 tons every year, so BBN steel has quite rich experience in the production, processing and export of this kind of steel. If you need S235JR carbon steel plate, please contact us for advice.
Basic knowledge about the external floating roof tank: The floating roof tank (FR tank) is broadly divided into external floating roof tank and internal floating roof tank (IFR tank). The floating roof tank (FR tank) does not have a fixed roof. It is open in the top and has a floating roof only. The external floating roof tank consists of an open-topped cylindrical steel shell equipped with a roof, which floats on the surface of the stored liquid. The roof rises and falls with the liquid level in the tank. As opposed to the fixed roof tank, there is no vapor space (ullage) in the floating roof tank, very low liquid level situations are not included. In principle, this eliminates tank breathing loss and greatly reduces the evaporative loss of the stored liquid. There is a rim seal system between the tank shell and roof to reduce rim evaporation. The floating roof has support legs hanging down into the liquid. At low liquid levels the roof eventually lands and a vapor space forms between the liquid surface and the roof, similar to the fixed roof tank. The support legs are usually retractable to increase the working volume of the external floating roof tank. What advantages does the external floating roof tank have? The external floating roof tank is usually installed for environmental or economical reasons to limit product loss and reduce the likelihood of emission of volatile organic compounds (VOCs) and other potential air pollutants. Normally, the roof of the external floating roof tank rests directly on the surface of the stored liquid, leaving little vapor space and consequently leading to a much lower risk of rim space fire. What products are suitable to store by the external floating roof tank? The external floating roof tank is storage tank that is commonly used to store large quantities of crude oil, condensate and so on petroleum products. Medium flash point liquids such as naphtha, kerosene, diesel, and crude oil are usually stored by the external floating roof tank. The fixed roof tank, internal floating roof tank and external floating roof tank are the main types of API Standard 650 storage tank we supply. http://api650steel.com/ Contact Ms. Olivia Henan BEBON Iron & Steel Co., Ltd Email: olivia.roy88@gmail.com Tel: 008637186151527
Description: Alb-alloy is capable of producing the beryllium copper springs, beryllium copper spring contact, beryllium copper contact spring, beryllium copper spring contact finger, beryllium copper spring finger contact, watch-band spring contact finger, beryllium copper clack contact finger, multi-contact finger, z-forms contact finger, etcâ?¦ according to customerâ??s drawing and available samples . Â Available products: Â The mainly available beryllium copper springs and spring contact finger are c17200 beryllium copper spring contact finger, c17500 beryllium copper spring contact finger and other spring contact components. Â Typical application: Â High voltage switches, power generation, transmission and line projects, including electric power, thermal control, electrical, chemical, bunker coal, de-dusting, power transmission lines, infrastructure and other industry.
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