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4520+ standards in database
4520 result(s) found
铜合金硬度与强度换算值
Conversion of hardness and strength for copper alloys
铌铁化学分析方法 重量法测定硅量
Methods for chemical analysis of ferroniobium--The gravimetric method for the determination of silicon content
铌铁化学分析方法 纸上色层分离重量法测定铌、钽量
Methods for chemical analysis of ferroniobium--The paper chromatograph-gravimetric method for the determination of niobium and tantalum content
铌铁化学分析方法 EDTA容量法测定铝量
Methods for chemical analysis of ferroniobium--The EDTA volumetric method for the determination of aluminium content
优质碳素结构钢冷轧钢带
Cold-rolled quality carbon structural steel strips
硼铁化学分析方法 色层分离硫酸钡重量法测定硫量
Methods for chemical analysis of ferroboron--The chromatographic separation-barium sulfate gravimetric method for the determination of sulfur content
硼铁化学分析方法 气体容量法测定碳量
Methods for chemical analysis of ferroboron--The gasometric method for the determination of carbon content
铌铁化学分析方法 硫氰酸盐光度法测定钨量
Methods for chemical analysisof ferroniobium--The thiocyanate photometric method for the determination of tungsten content
铌铁化学分析方法 钼蓝光度法测定磷量
Methods for chemical analysis of ferroniobium--The molybdenum blue photometric method for the determination of the phosphorus content
铌铁化学分析方法 燃烧重量法测定碳量
Methods for chemical analysis of ferroniobium--The combustion gravimetric method for the determination of carbon content
中锰抗磨球墨铸铁件技术条件
Specification for medium manganese wear-resistant spheroidal iron castings
铜分类
Classification of copper
钢材断口检验法
Inspection method for steel work fractures
有色金属及合金产品牌号表示方法
Non-ferrous metals and its alloys--Code of designation
热轧圆钢和方钢尺寸、外形、重量及允许偏差
Hot-rolled round and square steels--Dimension,shape, weight and tolerance
工具钢热轧及锻制扁钢品种
Hot-rolled and forged tool steel flats
镓
Gallium
铝合金晶间腐蚀测定方法
Test method for intergranular corrosion of aluminium alloy
高温合金和金属间化合物高温材料的分类和牌号
Classification and designation for superalloys and high temperature intermetallic materials
锻件功能分类
Classification of forging functions