BS EN ISO 11114-4-2007 运输储气瓶.储气瓶和阀门材料与盛装气体的兼容性.选择耐氢脆金属材料的试验方法

标准号：BS EN ISO 11114-4-2007
中文标准名称：运输储气瓶.储气瓶和阀门材料与盛装气体的兼容性.选择耐氢脆金属材料的试验方法
英文标准名称：Transportable gas cylinders - Compatibility of cylinder and valve materials with gas contents - Test methods for selecting metallic materials resistant to hydrogen embrittlement
标准类型：J74;E98
发布日期：2007/4/30 12:00:00
实施日期：2007/4/30 12:00:00
中国标准分类号：J74;E98
国际标准分类号：23.020.30
适用范围：ISO 11114-4:2005 specifies test methods and the evaluation of results from these tests in order to qualify steels suitable for use in the manufacture of gas cylinders (up to 3 000 l) for hydrogen and other embrittling gases.ISO 11114-4:2005 only applies to seamless steel gas cylinders.The requirements of ISO 11114-4:2005 are not applicable if at least one of the following conditions for the intended gas service is fulfilled:the working pressure of the filled embrittling gas is less than 20 % of the test pressure of the cylinder;the partial pressure of the filled embrittling gas of a gas mixture is less than 5 MPa (50 bar) in the case of hydrogen and other embrittling gases, with the exception of hydrogen sulphide and methyl mercaptan in which cases the partial pressure shall not exceed 0,25 MPa (2,5 bar).