SA387Gr22CL2 belongs to American Standard Vessel Plate, which is special steel plate for pressure vessels. ASTM, ASME, WYJ standards; SA387Gr22CL2 steel plate size, shape, weight and allowable deviation should be in accordance with ASME SA387/SA387M standards.
SA387Gr22CL2 steel plate delivery state: steel plate to normalized (to ensure that the bainite organization ≥ 90% of the accelerated cooling rate) + tempered state delivery, normalizing temperature shall not exceed 968 ℃, tempering temperature shall not be less than 720 ℃.
SA387Gr22CL2 steel plate smelting method: the use of electric furnace + LF / VD vacuum furnace refining method of smelting. All steel plates should be used for its inspection of the test sample billet simulation of post-weld heat treatment, process system: Maximum simulation of post-weld heat treatment: Max. PWHT: 690 ± 14 ℃ × 26h Minimum simulation of post-weld heat treatment: Min. PWHT: 690 ± 14 ℃ × 8-2h.
SA387Gr22CL2 is widely used in petroleum, chemical, power station, boiler and other industries for the production of reactors, heat exchangers, separators, ball tanks, gas tanks, liquefied natural gas tanks, nuclear power reactors pressure shells, boiler ladles, liquefied petroleum gas cylinders, high-pressure water pipes for hydropower stations, turbine turbine shells and other equipment and components.
