GB/T 6145-2010 Manganin and constantan alloy wires,sheet and rolled wires for precision electrical resistance

GB/T 6145-1999 Manganin and constantan alloy wires,sheet and rolled wires for precision electrical resistance

GB/T 228-2002 Metallic materials—Tensile testing at ambient temperature GB/T 228.1-2010 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.2-2015 Metallic materials—Tensile testing—Part 2:Method of test at elevated temperature GB/T 228.3-2019 Metallic materials—Tensile testing—Part 3:Method of test at low temperature GB/T 228.4-2019 Metallic materials—Tensile testing—Part 4:Method of test in liquid helium GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability) GB/T 6146-1985 Test method for resistivity of precision resistance alloys GB/T 6146-2010 Test method for resistivity of precision resistance alloys GB/T 6147-1985 Test method for thermoelectric power of precision resistance alloys GB/T 6147-2005 Test method for thermoelectric power of precision resistance alloys GB/T 6148-1985 Test method for temperature-resistance coefficient of precision resistance alloys GB/T 6148-2005 Test method for temperature-resistance coefficient of precision resistance alloys JB/T 9493.1-1999 The chemical analysis methods for the manganese bronze and new-type kangkang bronze resistance alloy are determined by electrolytic weight method for copper content JB/T 9493.2-1999 The chemical analysis methods for the resistance alloys of manganese copper and new kangkang copper involve the determination of manganese using the nitrate ammonium oxidation method combined with the ammonium ferrous sulfate titration method JB/T 9493.5-1999 JB/T 9493.5-1999 MnCu and Xinkang Copper Resistance Alloy Chemical Analysis Methods: Silicon Mo-Sulphur Green Method for Determining Silicon Content JB/T 9493.7-1999 The chemical analysis methods for the manganese copper and new-type kangkang copper resistance alloys involve the separation of benzoic acid amine using EDTA titration method to determine the aluminum content JB/T 9499.1-1999 The chemical analysis method for copper resistance alloy with the copper content determined by electrolytic weight method JB/T 9499.2-1999 The chemical analysis method for copper-based resistive alloys using titration with potassium iodide and sodium thiosulfate for the determination of copper content JB/T 9499.4-1999 The chemical analysis method for the resistance alloy of copper-konan involves the determination of manganese using the photometric method with potassium periodate JB/T 9499.5-1999 The chemical analysis method for copper-nickel resistance alloys using electropolishing and EDTA titration JB/T 9499.6-1999 The chemical analysis method for copper resistance alloys with Kang copper is to determine the iron content using the spectrophotometric method of sulfosalicylic acid JB/T 9499.7-1999 The method of chemical analysis for the copper resistance alloy of Kang Tongue uses the spectrophotometric method of silicon molybdenum (Molybdenum) reagent to determine the silicon content JB/T 9493.6-1999 The chemical analysis methods for the resistance alloys of manganese copper and new-type Kangan copper using perchloric acid dehydration weight method to determine the silicon content JB/T 6819.3-1993 Instrument Material Terminology: Resistance Material, Conductive Material, and Electrical Contact Material JB/T 9493.3-1999 Method for chemical analysis of manganin and novokostant resistance alloy The dimethylglyoxime gravimetric method for the determination of nickel content JB/T 9493.4-1999 Method for chemical analysis of manganin and novokostant resistance alloy The sulphosaliclic acid photometric method for the determination of iron content JB/T 9499.3-1999 Method for chemical analysis of constantan resistance alloy The ammonium persulfate oxidation-ammonium ferrous sulfate titrimetric method for the determination of manganese content GB/T 6148-2025 Test method for temperature-resistance coefficient of precision resistance alloys GB/T 6147-2025 Test method for thermoelectric power of precision resistance alloys GB/T 2829-2025 Sampling procedures and tables for periodic inspection by attributes(Apply to inspection of process stability)