GB/T 38936-2020.High temperature carburizing steel for bearing. 1范围 GB/T 38936规定了高温渗碳轴承钢的订货内容、尺寸、外形、重量、技术要求、试验方法、检验规则、包装、标志及质量证明书。 GB/T 38936适用于制作耐300

GB/T 38884-2020.High temperature stainless steels for bearing. 1范围 GB/T 38884规定了高温不锈轴承钢的分类与代号、订货内容、尺寸、外形、重量、技术要求、试验方法、检验规则、包装、标志及质量证明书。 GB/T 38884适用于制

GB/T 20671.3-2020.Classification system and test methods for nonmetallic gasket materials-Part 3 :Standard test method for fluid resistance of gasket

GB/T 20671.1-2020.Classification system and test methods for nonmetallic gasket materials-Part 1 :Standard classification system for nonmetallic gaske

GB/T 38812.2-2020.Direct reduced iron-Determination of metallic iron content-The potassium dichromate titrimetric method after decomposition of sample

GB/T 38812.1-2020.Direct reduced iron-Determination of iron( II ) content-The potassium dichromate titrimetric method after decomposition of sample by

GB/T 19233-2020.Measurement methods of fuel consumption for light-duty vehicles. 1范围 GB/T 19233规定了通过测定汽车二氧化碳(CO2)一氧化碳(CO)和碳氢化合物(HC)排放量,用碳平衡法计算燃料消耗量的试验

GB/T 15468-2020.Fundamental technical requirements for hydraulic turbines. 1范围 GB/T 15468规定了水轮机产品设计、制造方面的性能保证、技术要求、供货范围和检验试验项目,并提出了其包装、运输、保管和安装、运行、维护应

GB/T 14598.301-2020.Technical requirements for power system continuous recorder. 1范围 GB/T 14598的本部分规定了电力系统连续记录装置(以下简称装置)的技术要求、试验方法、检验规则、标识、包装、运输、贮存、供货

GB/T 38896-2020.Non-destructive testing-Integrated non-destructive testing-General principles. 1范围 GB/T 38896规定了对材料及工件进行集成无损检测的一般原则。 GB/T 38896仅适用于可实施