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编制说明 一、材料 储气罐筒体和封头用的材料考虑到储气罐的使用温度、压力、介质特性、焊接性能和冷热加工性能,选用国家标准《钢制压力容器》规定的A3、AY3和20R钢板制造。工作压力0.8MPa以下,公称容积不大于10M～3的储气罐选用A3或AY3钢板制造;工作压大于0.8MPa,公称容积大于10M～3的储气罐选用20R钢板制造。
Preparation instructions A material storage tank cylinder and head with the material taking into account the use of gas storage tank temperature, pressure, dielectric properties, welding performance and hot and cold processing performance, use the national standard “steel pressure vessel” provisions of the A3 , AY3 and 20R steel manufacturing. Working pressure 0.8MPa below the nominal volume of not more than 10M ~ 3 of the gas tank made of A3 or AY3 steel manufacturing; working pressure greater than 0.8MPa, nominal capacity of more than 10M ~ 3 gas tank manufactured using 20R steel.