In recent years, in line with the development trend of iron and ABS EH32 offshore oil drilling platform steel steel industry at home and abroad, we have accelerated the transformation of development mode, promoted structural adjustment, and formed a rich product series of medium and thick plates, hot rolled steel coils, profiles, steel pipes, etc., which ABS EH32 offshore oil drilling platform steel are widely used in automobiles, long-span bridges, railways, machinery, ocean and so on fields. Meanwhile, we also provide deep processing for the steel materials.
09CuPCrNi-A steel belongs to weathering steel. Through alloying of Cu, Mn, Si, Al and simply adjusting part of element content of ordinary low carbon steel (Q235 steel), economic weathering ABS EH32 offshore oil drilling platform steel steel with good atmospheric corrosion resistance and comprehensive mechanical properties can be produced without changing the production process of Q235 steel. 09CuPCrNi-A steel is mainly used for railway, vehicle, bridge, tower and other steel structures exposed to the atmosphere for a long time.
Grades ABS EH32 offshore oil drilling platform steel, Q345 (16Mn) and Q390 steel have good comprehensive mechanical properties, good welding performance, cold and hot workability and corrosion resistance. C, D, E grade steel has good low temperature toughness. Mainly used for ships, boilers, pressure vessels, petroleum storage tanks, bridges, power station equipment, lifting and transportation machinery and other higher-load welding structural parts.
As the thickness and hardness of ABS EH32 offshore oil drilling platform steel increase, the tendency to crack at the cutting edge increases. In order to prevent the ABS EH32 offshore oil drilling platform steel from cutting cracks, preheating should be carried out before ABS EH32 offshore oil drilling platform steel cutting. Special attention should be paid to preheating to make the entire ABS EH32 offshore oil drilling platform steel interface evenly heated to avoid local overheating in the area contacting the heat source. If the whole ABS EH32 offshore oil drilling platform steel cannot be preheated, the partial preheating method can be used instead.
A335 P22 steel pipe belongs to ferrite alloy steel nominal pipe for high temperature use. Chemical composition of A335 P22 steel pipe: C 0.10-0.20, Mn 0.30-0.80, P ≤ 0.025, S ≤ 0.025, Si 0.10-0.50, Mo 0.44-0.65. Mechanical properties of A335 P22 steel pipe: tensile strength 415mpa, yield strength 205 MPa. ABS EH32 offshore oil drilling platform steel, A335 P22 steel pipe is characterized by good process performance, less sensitivity to the heating temperature of heat treatment, good welding performance, good plasticity, and low strength, especially the high temperature rupture strength is lower than 12Cr1MoV steel. When used at the same temperature and stress, its wall thickness is about 30% thicker than 12Cr1MoV Steel.
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