Our company's ABS EH32 offshore oil drilling platform steel power boilers, heating furnaces of double bars, double high lines and medium and thick plates all adopt heat storage technology, which can fully use blast furnace gas; the ladle baking, Maerz active lime kiln and medium and thick plate heat treatment furnace all burn converter gas, which can improve the ABS EH32 offshore oil drilling platform steel utilization rate of secondary energy and realize negative energy steelmaking in steelmaking process.
Vanadium mainly exists in the form of carbide in ABS EH32 offshore oil drilling platform steel and so on steel. Its main function is to refine the structure and grain size of steel and reduce the strength and toughness of steel. When the solid solution is dissolved at high temperature, the hardenability is increased; conversely, if it is in the form of carbide, the hardenability is reduced. Vanadium increases the tempering stability of quenched steel and produces secondary hardening effect. The vanadium content in steel, except high speed tool steel, is generally less than 0.5%.
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The yield strength of A36, D36, E36 and F36 is not less than 355N/mm^2, and the ABS EH32 offshore oil drilling platform steel tensile strength is 490~620N/mm^2. A, D, E and F respectively indicate that they can be at 0° and -20 ° respectively. Impact toughness that can be achieved at -40℃, -60 ℃.
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