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Title Standard No. Implemented On
Methods for the determination of the relative magnetic permeability of feebly magnetic materialsGB/T 35690-20172018-7-1
Basic shapes,dimensions,symbols and notations of silver based electrical contactsGB/T 5587-20162016-9-1
Test methods for essential property of electrical contact materialsGB/T 5586-20162016-9-1
Chemical Analyses Method for Electrical Contact Materials - Part 2: Determination of Copper Content in the Copper Tungsten JB/T 4107.2-20142014-11-1
Test Methods for Chemical Analysis of Copper-chromium Electric Contact Material - Part 1: Determination of Chromium ContentJB/T 8443.1-20142014-11-1
Chemical Analyse Method for Electrical Contact Materials - Part 4: Determination of Silver Content in the Silver-tungstenJB/T 4107.4-20142014-11-1
Chemical Analyse Method for Electrical Contact Materials - Part 3: Determination of Carbon Content in Silver-graphiteJB/T 4107.3-20142014-11-1
Vacuum Copper - Technical SpecificationJB/T 9549-20142014-11-1
Chemical Analyses Method for Electrical Contact Materials - Part 5: Determination of Nickel Content in the Silver-nickelJB/T 4107.5-20142014-11-1
Chemical Analyse Method for Electrical Contact Materials - Part 1: General and Ordinary SpecificationJB/T 4107.1-20142014-11-1
Electric Contact Material for Vacuum Switch - Test Methods of Essential PropertyJB/T 5351-20142014-11-1
Test Methods for Chemical Analysis of Copper-chromium Electric Contact Material - Part 2: Determination of Chromium ContentJB/T 8443.2-20142014-11-1
Chemical Analyse Method for Electrical Contact Materials - Part 6: Determine Iron Content in the Silver-ironJB/T 4107.6-20142014-11-1
Guides for methods of measurement of the magnetic properties of permanent(magnetically hard) materials by pulsed field magnetometryGB/T 29628-20132013-12-2
Permanent magnet(magnetically hard)materials—Methods of measurement of magnetic propertiesGB/T 3217-20132013-12-2
Specification for AgNiC contactGB/T 27751-20112012-5-1
Technical specification for copper-bismuth-silver electrical contact materialsJB/T 9550-20112012-4-1
Guide for test method of arc erosion of electrical contact materialsJB/T 8632-20112012-4-1
Test method for chemical analysis of copper-graphite electrical contact materialsJB/T 8505-20112012-4-1
Metallographic atlas of electrical contact materials GB/T 26872-20112011-12-1
Metallographic examination of electrical contact materials GB/T 26871-20112011-12-1
Specification for CuCr electrical contact GB/T 26867-20112011-12-1
Method of measurement of temperature coefficient of magnetic properties of permanent magnetic materialsGB/T 24270-20092010-2-1
Test methods for chemical analysis of silver-tin oxide electric contact materialGB/T 24268-20092010-2-1
Specification for CuCrFe electric contact materialGB/T 24269-20092010-2-1
Test method of flaws of Cu-W contactGB/T 24300-20092010-2-1
Test method for electrical properties of electrical contact materialsGB/T 24273-20092010-2-1
Method of measurement of the coercivity of magnetic materials in an open magnetic circuitGB/T 13888-20092010-2-1
Standard specifications for sintered soft magnetic materialsGB/T 24296-20092010-2-1
Electrotechnical terminology - Special alloys for electrical equipmentGB/T 2900.4-20082009-5-1
Technical specification for silver-graphite electrical contactsGB/T 12940-20082008-12-1
Technical specification for silver-metaloxide electrical contacts by alloy internal oxidation methodGB/T 13397-20082008-12-1
Technical Specification for Electric Contacts of Trimetal Rivet TypeJB/T 10872-20082008-11-1
Test methods for chemical analysis of Ni-Cr and Ni-Cr-Fe alloy—Part 7:Determination of carbon contentJB/T 6326.7-20082008-9-1
Test methods for chemical analysis silver-cadmium oxide electric contact material—Part 1:Determination of cadmium contentJB/T 7776.1-20082008-9-1
Test methods for chemical analysis of silver powder for electric contact material—Part 5:Determinatiln of natrium contentJB/T 6237.5-20082008-9-1
Test methods for chemical analysis of Ni-Cr and Ni-Cr-Fe alloy—Part 6:Determination of aluminum contentJB/T 6326.6-20082008-9-1
Test methods for chemical analysis of Ni-Cr and Ni-Cr-Fe alloy—Part 2:Determination of chromium contentJB/T 6326.2-20082008-9-1
Test methods for chemical analysis of Ni-Cr and Ni-Cr-Fe alloy—Part 4:Determination of iron contentJB/T 6326.4-20082008-9-1
Test methods for chemical analysis silver-cadmium oxide electric contact material—Part 4:Determination of tin contentJB/T 7776.4-20082008-9-1
Test methods for chemical analysis of copper-tungsten-tungsten carbide electric contact material—Part 2:Determination of carbon contentJB/T 7775.2-20082008-9-1
Test methods for chemical analysis silver-cadmium oxide electric contact material—Part 3:Determination of nickel contentJB/T 7776.3-20082008-9-1
Test methods for chemical analysis of silver powder for electric contact material—Part 9:Determinatiln of nitrate contentJB/T 6237.9-20082008-9-1
Test methods for chemical analysis of Ni-Cr and Ni-Cr-Fe alloy—Part 9:Determination of phosphorus contentJB/T 6326.9-20082008-9-1
Test methods for chemical analysis of Ni-Cr and Ni-Cr-Fe alloy—Part 1:Determination of nickel contentJB/T 6326.1-20082008-9-1
Test methods for chemical analysis of silver powder for electric contact material—Part 10:Determinatiln of silver nitrate contentJB/T 6237.10-20082008-9-1
Technical specification for heating resistance alloysJB/T 6454-20082008-9-1
Test methods for chemical analysis of silver powder for electric contact material—Part 2:Determinatiln of copper contentJB/T 6237.2-20082008-9-1
Test methods for chemical analysis of Ni-Cr and Ni-Cr-Fe alloy—Part 5:Determination of manganese contentJB/T 6326.5-20082008-9-1
Test methods for chemical analysis of silver powder for electric contact material—Part 1:Determination of silver contentJB/T 6237.1-20082008-9-1
Test methods for chemical analysis silver-cadmium oxide electric contact material—Part 7:Determination of aluminium contentJB/T 7776.7-20082008-9-1
Test methods for chemical analysis of Ni-Cr and Ni-Cr-Fe alloy—Part 3:Determination of silicon contentJB/T 6326.3-20082008-9-1
Test methods for chemical analysis of silver powder for electric contact material—Part 8:Determinatiln of pH of aqueous solutionJB/T 6237.8-20082008-9-1
Test methods for chemical analysis silver-cadmium oxide electric contact material—Part 6:Determination of magnesium contentJB/T 7776.6-20082008-9-1
Test methods for chemical analysis of silver powder for electric contact material—Part 4:Determinatiln of nickel contentJB/T 6237.4-20082008-9-1
Test methods for chemical analysis of Ni-Cr and Ni-Cr-Fe alloy—Part 8:Determination of sufi contentJB/T 6326.8-20082008-9-1
Specification for copper-bismuth-aluminium electric contact materialJB/T 7097-20082008-9-1
Technical specification for high resistance alloys(Φ<0.20mm)of electrical heatingJB/T 7117-20082008-9-1
Test methods for chemical analysis silver-cadmium oxide electric contact material—Part 5:Determination of bismuth contentJB/T 7776.5-20082008-9-1
Test methods for chemical analysis of silver powder for electric contact material—Part 3:Determinatiln of iron contentJB/T 6237.3-20082008-9-1
Test methods for chemical analysis of silver powder for electric contact material—Part 7:Determinatiln of moisture levelJB/T 6237.7-20082008-9-1
Test methods for chemical analysis silver-cadmium oxide electric contact material—Part 2:Determination of zinc contentJB/T 7776.2-20082008-9-1
Test methods for chemical analysis of silver powder for electric contact material—Part 6:Determinatiln of magnesium contentJB/T 6237.6-20082008-9-1
Test methods for chemical analysis of copper-tungsten-tungsten carbide electric contact material—Part 1:Determination of copper contentJB/T 7775.1-20082008-9-1
Test methods for chemical analysis of silver-tin oxide-indium oxide electric contact material-Part 5:Determination of nickel zinc and indium contentsJB/T 7777.5-20082008-7-1
Test methods for chemical analysis of silver-zinc oxide electric contact material -Part 5:Determination of magnesium contentJB/T 7774.5-20082008-7-1
Test methods for chemical analysis of silver-zinc oxide electric contact material -Part 4:Determination of nickel contentJB/T 7774.4-20082008-7-1
Method for measuring basic properties of bimetal contactsJB/T 7092-20082008-7-1
Test methods for chemical analysis of silver-zinc oxide electric contact material -Part 1:Determination of zinc contentJB/T 7774.1-20082008-7-1
Test method mechanical torque rate of spiral coils of thermostat metalJB/T 7130-20082008-7-1
Specification for AgWC(12)C(3) electric contactsJB/T 7779-20082008-7-1
Test method for per meter resistance in continuous measurementJB/T 7129-20082008-7-1
Methods for measuring mechanical and physical properties of wires for rivet contacts-Part 5:torsion testJB/T 7780.5-20082008-7-1
Test methods for chemical analysis of silver-tungsten carbide electric contact material-Part1:Determintion of silver contentJB/T 7778.1-20082008-7-1
Methods for measuring mechanical and physical properties of wires for rivet contacts-Part 1:Determination of densityJB/T 7780.1-20082008-7-1
Test methods for chemical analysis of silver-tungsten carbide electric contact material-Part3:Determintion of overall carbon contentJB/T 7778.3-20082008-7-1
Test method for the mechanical life of thermostat metal discsJB/T 7133-20082008-7-1
Test methods for chemical analysis of silver-tungsten carbide electric contact material-Part4:Determintion of free carbon contentJB/T 7778.4-20082008-7-1
Test methods for chemical analysis of silver-tin oxide-indium oxide electric contact material-Part 2:Determination of indiumJB/T 7777.2-20082008-7-1
Methods for measuring mechanical and physical properties of wires for rivet contacts-Part 2:Determination of hardnessJB/T 7780.2-20082008-7-1
Test methods for chemical analysis of silver-zinc oxide electric contact material -Part 3:Determination of bismuth contentJB/T 7774.3-20082008-7-1
Methods for measuring mechanical and physical properties of wires for rivet contacts-Part 4:Tensile testJB/T 7780.4-20082008-7-1
Resistance welding electrodes alloys of Cu-Cr-ZrJB/T 7598-20082008-7-1
Test methods for chemical analysis of silver-tungsten carbide electric contact material-Part2:Determintion of nickel contentJB/T 7778.2-20082008-7-1
Test methods for chemical analysis of silver-zinc oxide electric contact material -Part 2:Determination of aluminium contentJB/T 7774.2-20082008-7-1
Test methods for chemical analysis of silver-tin oxide-indium oxide electric contact material-Part 3:Determination of nickel contentJB/T 7777.3-20082008-7-1
Test methods for chemical analysis of silver-tin oxide-indium oxide electric contact material-Part 4:Determination of zinc contentJB/T 7777.4-20082008-7-1
Test methods for chemical analysis of silver-tin oxide-indium oxide electric contact material-Part 1:Determination of tin contentJB/T 7777.1-20082008-7-1
Test methods for chemical analysis of silver-zinc oxide electric contact material -Part 6:Determination of cadmium contentJB/T 7774.6-20082008-7-1
Methods for measuring mechanical and physical properties of wires for rivet contacts-Part 3:Determination of resistivityJB/T 7780.3-20082008-7-1
Magnetic materials - ClassificationGB/T 21219-20072008-5-20
Soft magnetic metallic materialsGB/T 21220-20072008-5-20
Technical specification for wire of electric contact rivetJB/T 8633-20062007-3-1
Technical specification for silver-tin oxide electric contact materials GB/T 20235-20062006-12-1
Copper-tungsten and silver-tungsten electrical contacts GB/T 8320-20032004-5-1
Basic shapes, dimensions, symbols and notations of silver based electrical contactsGB/T 5587-20032004-5-1
Copper-tungsten and silver-tungsten electrical contactsGB/T 8320-19872004-5-1
Standard test method for change of resistance with temperature of high resistance alloys for electrical heatingJB/T 7900-20022003-4-1
Technical specifications for copper-chromium electrical contactJB/T 7098-20022003-4-1
Technical specification for silver-nickel, silver-iron electrical contactsGB/T 5588-20022003-3-1
Methods for chemical analysis of copper-chromium-zirconium alloys The determination of copper by electrolytic methodJB/T 9552.1-19992000-1-1
Metallographic examination of the electric materialsJB/T 8985-19992000-1-1
Methods for chemical analysis of iron-chromium-aluminium alloys The sodium periodate photometric method for the determination of manganese contentJB/T 9548.3-19992000-1-1
Methods for chemical analysis of iron-chromium-aluminium alloys The thiocyanate photometriec method for the determination of molybdenum contentJB/T 9548.9-19992000-1-1
Methods for chemical analysis of copper-chromium-zirconium alloys The determination of magnesium by atomic absorption spectrop hotometric mithodJB/T 9552.7-19992000-1-1
Methods for chemical analysis of iron-chromium-aluminium alloys Coulombic method for the determination of carbon contentJB/T 9548.1-19992000-1-1
Methods for chemical analysis of copper-chromium-zirconium alloys The determination of silicon by silicomoty benum blue photometric method after extraction with methyl isobutyl ketoneJB/T 9552.9-19992000-1-1
Methods for chemical analysis of iron-chromium-aluminium alloys The silicomolybdate blue photometric method for the determination of silicon contentJB/T 9548.5-19992000-1-1
Methods for chemical analysis of iron-chromium-aluminium alloys Sodium hydroxide separation-complex titration method for determination of aluminium contentJB/T 9548.8-19992000-1-1
Methods for chemical analysis of copper-chromium-zirconium alloys The determination of chromium by atomic absorption spectrophotometric methodJB/T 9552.3-19992000-1-1
Methods for chemical analysis of iron-chromium-aluminium alloys The combustion-potassium iodate titration method for the determination of sulfur contentJB/T 9548.10-19992000-1-1
Methods for chemical analysis of copper-chromium-zirconium alloys The determination of chromium by persulfate oxidation volumetric methodJB/T 9552.2-19992000-1-1
Methods for chemical analysis of iron-chromium-aluminium alloys The dimethylglyoxime photometric method for the determination of nickel contentJB/T 9548.7-19992000-1-1
Technical specification for copper-bismuth-electrical contact materialsJB/T 9550-19992000-1-1
Methods for chemical analysis of copper-chromium-zirconium alloys The determination of magnesium by chromotrope 2R photometric methodJB/T 9552.8-19992000-1-1
Methods for chemical analysis of iron-chromium-aluminium alloys The persulfate oxidation volumetric method for the determination of chromium contentJB/T 9548.6-19992000-1-1
Methods of measurement of temperature coefficient of permanent magnet materialsJB/T 8986-19992000-1-1
The specification of AgCu alloy wire for commutatorsJB/T 8987-19992000-1-1
Methods for chemical analysis of iron-chromium-aluminium alloys The photometric acid dehydration gravimetric mehtod for the determination of silicon contentJB/T 9548.4-19992000-1-1
Methods for chemical analysis of copper-chromium-zirconium alloys The determination of zirconium by xylenolrange photometric methodJB/T 9552.5-19992000-1-1
Welding-materials for resistance welding electrodes and ancillary equipmentJB/T 4281-19992000-1-1
Methods for chemical analysis of copper-chromium-zirconium alloys The determination of zirconium by arsenazo Ⅲ photometric method after fuse with potassium phrosuifateJB/T 9552.6-19992000-1-1
Methods for chemical analysis of iron-chromium-aluminium alloys The phosphovanadomoly bdate yellow extraction photometric method for the determination of phosphorus contentJB/T 9548.11-19992000-1-1
Methods for chemical analysis of copper-chromium-zirconium alloys The determination of chromium by diphenel carbalide photometric methodJB/T 9552.4-19992000-1-1
Methods for chemical analysis of iron-chromium-aluminium alloys The gas-volumetric method for the determination of carbon contentJB/T 9548.2-19992000-1-1
Standard test method for thermal deflection rate of spiral and helical coils of thermostat metalsJB/T 9551-19992000-1-1
Metallographic atlas of the electric contact materialsJB/T 8753-19981998-12-1
Test methods for essential porperty of electric contact material GB/T 5586-19981998-10-1
Technical Specification for Silver-metal Oxide Electric Contactor of Powder Metallurgic MethodJB/T 8444-19961997-1-1
Technical specification for silver-metaloxide electrical contacts by alloy internal oxidation methodGB 13397-19921992-10-10
Technical specification for silver-graphite electrical contactsGB 12940-19911992-3-1
Technical specification for silver-nickel silver-iron electrical contactsGB 5588-19851986-10-1
Basic shapes dimensions symbols and notations of silver based electrical contactsGB/T 5587-19851986-10-1
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