Testing of carbon materials - Determination of specific electrical resistance by the current-voltage method - Solid matters
适用范围:The document specifies a current-voltage method for the determination of the specific electrical resistance of solid matters out of carbon and graphite at a room temperature between 18 and 28 ?
实施日期:2003-01-01
Water quality--Determination of selenium--Graphite furnace atomic absorption spectrometric method
适用范围:本标准适用于水与废水中硒的测定。 方法检测限为0.003mg/L,测定范围为0.015~0.2mg/L。 干扰:废水中的共存离子和化合物在常见浓度下不干扰测定。当硒的浓度为0.08mg/L时,锌(或镉、铋)、钙、(或银)、镧、铁、钾、铜、钼、硅、钡、铝...
发布日期:1995-01-19 实施日期:1995-08-01
Test method for compressive strength of flexible graphite sheets
适用范围: 本标准规定了测试柔性石墨板材压缩强度的试验设备、试样的规格形状、试验步骤及试验结果的计算。 本标准适用于柔性石墨板材拉伸强度的测试。
实施日期:2000-01-01
Specification for AgWC(12)C(3) electric contacts
适用范围:本标准规定了银碳化钨(12)石墨(3)电触头产品的技术要求、检测方法、检验规则、标志、包装与保管等内容。本标准适用于低压开关电器用的以粉末冶金工艺生产的银碳化钨(12)石墨(3)电触头产品。
实施日期:2008-07-01
Test method for the elastic modulus of whole graphite electrodes--Velocity of sound
实施日期:1994-01-01
Mechanical pencils -- Part 2: Black leads -- Classification and dimensions
适用范围:Two types are available, black leads in which the binding agent is an organic polymer (designated by the letter "P"), and black leads in which the binding agent is clay (designated by the letter "C"). ...
发布日期:1989-03-01 实施日期:1989-03-01
Graphite furnace hend electrode
适用范围:本标准规定了石墨炉头电极的外形尺寸及允许偏差、技术要求、试验方法、检验规则、包装、标志、储存、运输和质量证明书。本标准适用于以优质石油焦为主要原料,经煅烧、成型、焙烧、石墨化、机械加工而制成,供石墨化炉做导电材料的石...
发布日期:2012-11-07 实施日期:2013-03-01
Lubricated metal-powder mixes -- Determination of lubricant content -- Soxhlet extraction method
适用范围:ISO 13944:2012 specifies a method for the determination of the lubricant content of a powder mix. The method is also suitable for preparing samples for measuring the content of elements, e.g. graphite ...
发布日期:2012-08-01 实施日期:2012-08-01
PWR nuclear power plant valve-Part 15:Specification of spiral wound gasket with flexible graphite
发布日期:2010-05-01 实施日期:2010-10-01
Sintered metal materials - Specifications
适用范围:The document specifies the requirements for the chemical composition and the mechanical and physical properties of sintered metal materials used for bearings and structural parts.
Test method for chemical analysis of copper-graphite electrical contact materials
适用范围:本标准规定了铜石墨电触头材料中碳含量的测定方法。本标准适用于铜石墨电触头材料中碳含量的测定。测定范围:2.00%~10.00%。
发布日期:2011-12-20 实施日期:2012-04-01
Standard Specification for Compacted Graphite Iron Castings
适用范围:This specification deals with compacted graphite iron castings. These materials shall be examined metallographically for the acceptance graphite formation. The acceptable graphite formation in the micr...
实施日期:2011-05-01
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