Browse Standards

铜合金硬度与强度换算值

Conversion of hardness and strength for copper alloys

钨钼及其合金的烧结坯条、棒材晶粒度测试方法

Method for measuring the average grain size of sintered bar and rod of tungsten molybdenum and alloys

钨、钼条密度测定方法

Method for testing the density of tungsten and molybdenum bars

钨、钼粉末粒度分布测试方法(沉降天平法)

Method for measuring the distribution of the powder size of tungsten and molybdenum method by the balance for the fall of the particles

钨丝蠕变试验、高温处理及金相检查方法

Creep testing，high temperature treatment and metallographic examination of the tungsten wires

电真空器件及电光源用细钨丝、钼丝和薄带密度的测试方法

Method for measuring the density of the fine wire and ribbon of tungsten and molybdenum used in electric light sources and vacuumtubes

电真空器件及电光源用钨、钼材料电阻率的测试方法

Method for the determination of the resistivity of tungsten and molybdenum used in electric light sources and vacuumtubes

掺杂钼条

Doped molybdenum bars

掺杂钨条

Doped tungsten bars

钼杆

Molybdenum rods

钨杆

Tungsten rods

钼钨合金条

Molybdenum-tungsten alloy bars

钢的硫印检验方法

Steel--Examination by sulphur print (Baumann method)

粉末冶金材料分类和牌号表示方法

Classification and designation for powder metallurgy materials

硅铁化学分析方法 色层分离硫酸钡重量法测定硫量

Methods for chemical analysis of ferrosilicon--The chromatographic separation-barium sulfate gravimetric method for the determination of sulfur content

硅铁化学分析方法 高氯酸脱水重量法测定硅量

Methods for chemical analysis of ferrosilicon--The perchloric acid dehydration-gravimetric method for the determination of silicon content

钢的化学分析用试样取样法及成品化学成分允许偏差

Method of sampling steel for determination of chemical composition and permissible variations for product analysis

通讯线用镀锌低碳钢丝

Galvanized low carbon steel wire for electric communications lines

金属铬化学分析方法 蒸馏-钼蓝分光光度法测定砷量

Methods for chemical analysis of chromium metal--The distillation-molybdenum blue spectrophotometricmethod for the determination of arsenic content

金属铬化学分析方法 茜素紫分光光度法测定锡量

Methods for chemical analysis of chromium metal--The alizarin violet spectrophotometric method for the determination of tin content