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4520+ standards in database
4520 result(s) found
钢铁及合金化学分析方法 α-安息香肟重量法测定钼量
Methods for chemical analysis of iron，steel and alloy--The α-benzoinoxime gravimetric method for the determination of molybdenum content
钢铁及合金化学分析方法 新亚铜灵-三氯甲烷萃取光度法测定铜量
Methods for chemical analysis of iron，steel and alloy--The neocuproine-chloroform extraction photometric method for the determination of copper content
钢铁及合金化学分析方法 二安替比林甲烷光度法测定钛量
Methods for chemical analysis of iron，steel and alloy--The diantipyryl methane photometric method for the determination of titanium content
标准件用碳素钢热轧圆钢
Hot-rolled round carbon steel bars for standard parts
轻轨用垫板
Tie plates for light rails
轻轨用接头夹板
Fish plates for light rails
热轧六角钢和八角钢尺寸、外形、重量及允许偏差
Hot-rolled hexagonal andoctagonal steel bars--Dimensions， shape，weight and tolerance
有色金属细丝拉伸试验方法
Tensile testing method for fine wire of non-ferrous metals
金属力学性能试验术语
Metallic materials--Terms of mechanical test
金属钙分析方法 微量硅的光度法测定
Method for analysis of calcium metal--The determination of micro-amounts of silicon by photometric method
金属钙分析方法 氯离子选择性电极法测定氯
Method for analysis of calcium metal--The determination of chlorine content by chloride--Selective electrode
硼铁化学分析方法 碱量滴定法测定硼量
Methods for chemical analysis of ferroboron--The alkalimetric method for the determination of boron content
金属钙分析方法 蒸馏-奈斯勒试剂光度法测定氮
Method for analysis of calcium metal--The determination of nitrogen by distillation--Nessler reagent photometric method
金属钙分析方法 8-羟基喹啉-三氯甲烷萃取分光光度法测定铝
Method for analysis of calcium metal--The determination of aluminium by oxine chloroform extraction photometric method
电工钢片(带)中频磁性能测量方法
Methods of measurement of magnetic properties of magnetic steel sheet and strip at medium frequencies
热轧L型钢尺寸、外形、重量及允许偏差
Dimensions，shape，weight and tolerances for hot-rolled L-sectional steel
硅铁化学分析方法 二苯基碳酰二肼光度法测定铬量
Methods for chemical analysis of ferrosilicon--The diphenylcarbazide photometric method for the determination of chromium content
硅铁化学分析方法 原子吸收光谱法测定钙量
Methods for chemical analysisof ferrosilicon--The atomic absorption spectrometric method for the deter-mination of calcium content
硼铁化学分析方法 高氯酸脱水重量法测定硅量
Methods for chemical analysis of ferroboron--The perchloric acid dehydration-gravimetric method for the determination of silicon content
热轧槽钢尺寸、外形、重量及允许偏差
Hot-rolled channel steel--Dimensions，shape，weight and tolerances