P 235 GH steel number code: 1.0345
P 235 GH steel standard: DIN EN 10028, Flat products made of steels for, pressure, purposes
P 235 GH steel country and region: Germany
Group: structural steel
P 235 GH note: non alloy and alloy steels with specified high temperature properties
Application: Steam, boilers, pressure, vessels.
P 235 GH steel main application: it has good plasticity, toughness, cold bending property and welding performance. It is suitable for making steel shell, pressure vessel and equipment component of nuclear island.
P 235 GH steel this is the European standard EN10028 brand, carbon steel container plate. P 235 GH steel can use our country's Q245R generation. Theoretically equivalent to the national standard of 235D.
Refers to the
boiler tube open at both ends and has a hollow section, the length of the periphery of the large steel, according to the production method can be divided into seamless and welded steel pipe, steel pipe size specifications (such as diameter or length) and wall thickness, the size of a wide range of large caliber pipe from small diameter the capillary diameter up to several meters until. Steel pipe can be used in piping, thermal equipment, machinery industry, petroleum geology exploration, containers, chemical industry and special use. Boiler tube by high temperature and high pressure pipe will work, oxidation and corrosion in high temperature flue gas and water vapor, so the requirements of steel pipe have antioxidant properties, high strength, and has good organizational stability, the grades are: high quality carbon steel with 20G, 20MnG, 25MnG; alloy structure
15MoG, 20MoG, 12CrMoG grade steel, 15CrMoG, 12Cr2MoG, 12CrMoVG, 12Cr3MoVSiTiB and so on; there is in addition to ensure the chemical composition and mechanical properties of heat-resistant stainless steel outside the common 1Cr18Ni9, 1Cr18Ni11Nb high pressure boiler tube, one by one to do pressure test, will be expanding and flattening test, high pressure seamless tube to heat treatment. Boiler tube is a kind of seamless pipe. The manufacturing methods are the same as those for seamless tubes, but they have strict requirements for the steel grades used in the manufacture of steel pipes. According to the use of temperature, divided into general boiler tubes and high-pressure boiler tubes two.The mechanical performance of boiler tubes is an important index to ensure the ultimate performance (mechanical properties) of steel. It depends on the chemical composition and heat treatment system of steel. In steel standard, according to different requirements, the provisions of the tensile properties (tensile strength, yield strength and yield point elongation) and hardness, toughness, and user's high and low temperature performance.
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