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Boiler and pressure vessel steel refers to the special steel used for making pressure vessel and boilers. Boiler and pressure vessel steel plate has strict requirements on chemical composition
and quality control, so as to ensure its minimum strength, enough toughness, and suitable for welding. The boiler and pressure vessel steel plate must meet the special performance requirements of
high temperature and low temperature in some conditions.
Heat treatment of boiler and pressure vessel steel plate are: hot rolling, normalizing, controlled rolling, annealing, tempering + normalizing, tempering. Boiler steel plate and pressure vessel
steel plate are usually required to have certain strength. In order to meet different design and manufacturing requirements, there are a series steel grades available according to the strength:
1) ASTM A202, ASTM A203, ASTM A204, ASTM A285, ASTM A299, ASTM A302, ASTM A387, ASTM A515, ASTM A516, ASTM A517, ASTM A533, ASTM A537, ASTM A612, ASTM A662 boiler steel plate.
2) EN10028-2, EN10028-3, EN10028-5, EN10028-6 boiler steel plate.
3) DIN 17155 boiler steel plate.
4) JIS G3115 pressure vessel steel plate, JIS G3103 pressure vessel steel plate.
5) GB 713 pressure vessel steel plates, GB3531 pressure vessel steel plate.
Boiler and pressure vessel steel plate is mainly used for manufacturing petroleum, chemical, gas separation, gas storage and transportation vessels or other similar equipment, such as various
towers, heat exchangers, tanks, tank cars, etc.
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