[GB 9974-1988] 整体石墨电极弹性模量试验 声速法[已作废]
发布时间:1990-01-01
实施时间:1990-01-01
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发布时间:1990-01-01
实施时间:1990-01-01
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发布时间:1989-03-16
实施时间:1989-12-01
本标准规定了可膨胀石墨产品的等级、牌号、技术要求、试验方法及检验规则。本标准适用于可膨胀石墨的质量检..
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[GB 8724-1988] 高纯石墨材料总稀土素含量的分光光度测定方法[已作废]
发布时间:1989-03-01
实施时间:1989-03-01
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[GB 8722-1988] 石墨材料中温导热系数测定方法[已作废]
发布时间:1988-02-02
实施时间:1989-03-01
本标准适用于100~800℃石墨制品导热系数的测定。
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[GB 6157-1985] 高纯石墨制品灰分含量测定方法[已作废]
发布时间:1986-06-01
实施时间:1986-06-01
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[GB 6158-1985] 高纯石墨制品硼含量的姜黄素-草酸比色测定方法[已作废]
发布时间:1986-06-01
实施时间:1986-06-01
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[ZB Q 51001-1990] 石墨阳极耐腐蚀试验方法[已作废]
发布时间:1985-05-01
实施时间:1985-05-01
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[GB 3424-1982] 石墨阳极[已作废]
发布时间:1983-11-01
实施时间:1983-11-01
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发布时间:1982-05-10
实施时间:1983-03-01
本标准适用于以石油焦、沥青焦等原料制成的,供普通功率电弧炉作导电材料的石墨电极。
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发布时间:1982-05-10
实施时间:1983-03-01
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[GB 3074.1-1982] 石墨电极抗折强度测定方法[已作废]
发布时间:1982-05-10
实施时间:1983-03-01
抗折强度是材料受外力弯曲时所能承受最大负荷的量度,其数值为试样弯曲断裂时,横截面上正应力的大小。
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[GB 3074.2-1982] 石墨电极弹性模量测定方法[已作废]
发布时间:1982-05-10
实施时间:1983-03-01
弹性模量是材料在外力作用下,应力与伸长或压缩弹性形变之间关系的量度,其数值为试样横截面所受正应力与应..
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[GB 3074.3-1982] 石墨电极氧化性测定方法[已作废]
发布时间:1982-05-10
实施时间:1983-03-01
氧化性是指石墨试样在6501C温度下,每小时每克试样氧化损失的毫克数。
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[GB/T 3074.4-1982] 石墨电极热膨胀系数(CTE)测定方法[已作废]
发布时间:1982-05-10
实施时间:1983-03-01
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[YB 917-1978] 炭素材料高纯石墨制品钒的比色测定[已作废]
发布时间:1979-01-01
实施时间:1979-01-01
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[YB/T 5288-1999] 石墨阳极耐腐蚀试验方法[修订]
发布时间:1967-01-01
实施时间:1967-01-01
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