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目前,国际上对大容积钢质无缝气瓶的定义尚无统一说法,不同的标准规范中对此有不同的规定。原国家质量技术监督局2000年颁布的《气瓶安全监察规程》第12条把100L以上的气瓶规定为大容积气瓶;美国运输部(简称DOT)规范中的大容积钢质无缝气瓶一般指3AAX、3T气瓶,其容积应不小于1000磅水容积,即454L;国际标准中公认的大容积钢质无缝气瓶标准为ISO11120《150~3000L无缝钢质气瓶设计、制造和试验标准》(第一版),其适用的最小容积为150L,最大容积为3000L。大容积钢质无缝气瓶一般采用Cr-Mo钢(如
At present, the definition of large-volume seamless steel gas cylinders has no uniform theory in the world. Different standards stipulate different requirements. The original State Quality and Technical Supervision promulgated in 2000, “Gas Cylinder Safety Supervision Regulations,” Article 12 of the 100L cylinders specified as large-capacity cylinders; the United States Department of Transportation (DOT) specification of large-volume steel seamless gas Generally refers to the bottle 3AAX, 3T cylinders, the volume should be not less than 1000 pounds of water volume, or 454L; international standards recognized large-volume steel seamless gas cylinder standard ISO11120 “150 ~ 3000L seamless steel cylinder design, Manufacturing and testing standards ”(first edition), the minimum volume for its application 150L, the maximum volume of 3000L. Large-volume steel seamless gas cylinder commonly used Cr-Mo steel (such as