GB/T 7964-1987
烧结金属材料(不包括硬质合金) 室温拉伸试验
Sintered metal materials (excluding hardmetal)--Tension testing at room temperature
- 实施日期
- 1988-03-01
- ICS 分类
- 77.040.10
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 7964-1987
Sintered metal materials (excluding hardmetal)--Tension testing at room temperature
GB/T 7216-1987
Gray cast iron metallography
GB/T 6885-1986
Hardmetals--Sampling and testing of mixed powder
GB/T 6525-1986
Sintered metal materials--Determinationof compression strength at room temperature
GB/T 5318-1985
Sintered metals materials,excluding hard metals--Unnotched impact test piece
GB/T 5167-1985
Sintered metal materials and hardmetals--Determination of electrical resistivity
GB/T 4236-1984
Steel--Examination by sulphur print (Baumann method)
GB/T 4197-1984
Method for measuring the average grain size of sintered bar and rod of tungsten molybdenum and alloys
GB/T 4196-1984
Method for testing the density of tungsten and molybdenum bars
GB/T 4195-1984
Method for measuring the distribution of the powder size of tungsten and molybdenum method by the balance for the fall of the particles
GB/T 4194-1984
Creep testing,high temperature treatment and metallographic examination of the tungsten wires
GB/T 4193-1984
Method for measuring the density of the fine wire and ribbon of tungsten and molybdenum used in electric light sources and vacuumtubes
GB/T 4192-1984
Method for the determination of the resistivity of tungsten and molybdenum used in electric light sources and vacuumtubes
GB/T 3771-1983
Conversion of hardness and strength for copper alloys
GB/T 1814-1979
Inspection method for steel work fractures