Browse Standards

锆及锆合金化学分析方法 催化示波极谱法测定铀量

Zirconium and zirconiumalloys--Determination of uranium content--Catalytic-oscillopolarographic method

锆及锆合金化学分析方法 示波极谱法测定铅量

Zirconium and zirconium alloys--Determination of lead content--Oscillopolarographic method

锆及锆合金化学分析方法 钼蓝分光光度法测定硅量

Zirconium and zirconiumalloys--Determination of silicon content--Molybdenum blue spectrophotometric method

锆及锆合金化学分析方法 锡量测定

Zirconium and zirconium alloys--Determination of tin content

锆及锆合金化学分析方法 硫氰酸盐分光光度法测定钼量

Zirconium and zirconium alloys--Determination of molybdenum content--Thiocyanate spectrophoto-metric method

锆及锆合金化学分析方法 硫氰酸盐分光光度法测定钨量

Zirconium and zirconium alloys--Determination of tungsten content--Thiocyanate spectrophotometric method

压铸有色合金试样

Test specimens for non-ferrous die-casting alloys

铸造轴承合金

cast bearing metals

压铸锌合金

Zinc die-casting alloys

熔模铸造模料 热稳定性测定方法

Testing method for thermal stability ofpattern materials in investment casting

熔模铸造模料 粘度测定方法

Testing method for viscosity of pattern materials in investment casting

熔模铸造模料 流动性测定方法

Testing method for fluidity of pattern materials in investment casting

熔模铸造模料 酸值测定方法

Testing method for acid number of pattern materials in investment casting

熔模铸造模料 表面硬度测定方法

Testing method for surface hardness of pattern materials in investment casting

熔模铸造模料 线收缩率测定方法

Testing method for linear contraction of pattern materials in investment casting

熔模铸造模料 灰分测定方法

Testing method for ash content of pattern materials in investment casting

熔模铸造模料 抗弯强度测定方法

Testing method for bending strength of pattern materials in investment casting

熔模铸造模料 熔点测定方法(冷却曲线法)

Testing method for melting point of pattern materials in investment casting

碳素结构钢和低合金结构钢热轧条钢技术条件

Hot-rolled long products technical requirements for carbon structure steel and low-alloy structure steel

煤炭采掘工具用硬质合金制品

Cemented carbide for coal-mining tools