Browse Standards

铬酸镧高温电热元件

High temperature lanthanum chromite electric heating module

稀土金属及其氧化物中非稀土杂质化学分析方法 第8部分：钠量的测定

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 8: Determination of sodium content

铸造铝合金 半固态流变压铸成形工艺规范

Casting aluminum alloys—Process specification for semisolid rheo-diecasting forming

稀土金属及其氧化物中稀土杂质化学分析方法 第4部分：钕中镧、铈、镨、钐、铕、钆、铽、镝、钬、铒、铥、镱、镥和钇量的测定

Chemical analysis methods of rare earth impurities in rare earth metals and their oxides—Part 4: Determination of lanthanum, cerium, praseodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium contents in neodymium metal and oxide

稀土金属及其氧化物中非稀土杂质化学分析方法 第7部分：硅量的测定

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 7: Determination of silicon content

稀土金属及其氧化物中非稀土杂质化学分析方法 第4部分：氧、氮量的测定 脉冲-红外吸收法和脉冲-热导法

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 4: Determination of oxygen and nitrogen contents—Impulse-infrared absorption and impulse-thermal conductivity method

离子型稀土原矿化学分析方法 稀土总量的测定 电感耦合等离子体质谱法

Chemical analysis method of ion-adsorption rare earth ore—Determination of total rare earth contents—Inductively coupled plasma mass spectrometry

镧铈金属及其化合物化学分析方法 第2部分：稀土量的测定

Chemical analysis methods of lanthanum-cerium metals and their compounds—Part 2：Determination of rare earth content

镧铈金属及其化合物化学分析方法 第1部分：铈量的测定 硫酸亚铁铵滴定法

Chemical analysis method of lanthanum-cerium metals and their compounds—Part 1: Determination of cerium content—Ammonium ferrous sulfate titration method

镧铈金属

Lanthanum-cerium metal

烧结铈及富铈永磁材料

Sintered cerium-based and cerium-rich permanent magnet materials

钢管无损检测 焊接钢管焊缝缺欠的射线检测

Non-destructive testing of steel tubes—Radiographic testing of the weld seam of welded steel tubes for the detection of imperfections

通用铸造碳钢和低合金钢铸件

Carbon and low alloy cast steels for general applications

热轧钢板桩

Hot rolled sheet pile

烧结钕铁硼永磁体失重试验方法

Test method of weight loss of sintered neodymium iron boron permanent magnets

烧结钕铁硼表面涂层

Nonmetallic coatings for sintered neodymium iron boron permanent magnets

铸钢件 交货验收通用技术条件

Steel castings—General technical delivery requirements

铸钢件焊接工艺评定规范

Specification and qualification of welding procedures for production welding of steel castings

塑料薄膜热覆合钢板及钢带

Film laminated steel sheet and strip

铁路用辗钢整体车轮

Forged and rolled solid wheels for railway