The European standard EN10028-2: 2003 material is used to manufacture high-temperature performance steel plates for container equipment. P355GH steel mechanical properties: Tensile strength Rm360-630MPa, yield strength ReH: 235-355MPa. European standard EN10028-2: 2003 P355GH plates product thickness reaches 8-260mm. We can also supply P235GH, P265GH,P295GH, P355GH, P355NL2, P460NH, P460NL1, A572 grade 55 high strength steel, 16Mo3 pressure vessel plate.
The boiler steel is not only required to have good corrosion resistance at low temperature, but also required to have good oxidation resistance at high temperature for components working at high temperature. Especially for the components of superheater and reheater, when they A572 grade 55 high strength steel work at high temperature, they are required not easy to be oxidized and peeled. Generally, the development speed of oxidation depth at working temperature is required to be less than 0.1mm/year. The addition of chromium, nickel, aluminum and silicon can improve the oxidation resistance of steel.
At present, the cutting thickness limit of laser cutting is 20 mm. However, it should be noted that oxygen will be added into the laser beam to cut 20 mm thick A572 grade 55 high strength steel steel plate, which will form a thin oxide film on the cutting surface, which may affect the cutting quality, Therefore, attention should be paid to this point to avoid problems.
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