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Q355GNH weathering steel is a kind of atmospheric corrosion resistant steel, which has better corrosion resistance than 16mo3 steel equivalent, ordinary carbon steel by adding less alloy elements. Q355GNH weathering steel has been widely used in container, railway vehicle, bridge, building and air preheater which need to be resistant to atmospheric corrosion. Q355GNH weathering steel is characterized by the addition of less Cu, P, Cr, Ni and other alloy elements in the steel, so that a dense amorphous spinel type oxide layer with a thickness of about 50-100μm is formed between the rust layer and the base metal, which can prevent oxygen and water from penetrating into the steel matrix, slow down the development of corrosion to steel materials, and improve the atmospheric corrosion resistance.
Nickel element is mainly used to form and stabilize the austenite structure, so that the 16mo3 steel equivalent steel has good mechanical properties, corrosion resistance and process performance. Molybdenum can quickly passivate stainless acid-resistant steel, and improve the corrosion resistance to solutions containing chloride ions and other non-oxidizing media. Titanium and niobium are usually used to fix the carbon in alloy steel and make it generate stable carbides to reduce the harmful effect of carbon on the corrosion resistance of alloy steel.
Chemical composition(%) of A213 T36 steel pipe(Carbon: 0.10–0.17, Manganese: 0.80–1.20, Phosphorus: 0.03, Sufur: 0.025, Silicon: 0.25–0.50, Nickel: 1.00–1.30, Chromium: 0.3, Molybdenum: 0.25–0.50, Vanadium: 0.02, Niobium: 0.015–0.045, Nitrogen: 0.02, Aluminum: 0.05, Cu 0.50–0.80). Mechanical properties for 16mo3 steel equivalent, A213 T36 steel pipe: Tensile strength(min): 415Mpa; Yield strength(min): 205Mpa; Elongation: 30%; Hardness, HB: 163max.
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The 16mo3 steel equivalent pressure vessel steel plates are our featured products. We have supplied pressure vessel steel plates to tank manufactures, boiler makers, power plants and so on customers all over the world. We have online service for you at any time, welcome to contact and learn more information about pressure vessel steel, such as 16mo3 steel equivalent ASTM A537 class 1 equivalent, 16Mo3 datasheet, Q245R material properties, Q345R material specification, P355GH properties, pressure vessel steel price, etc.
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