GB/T 2556-1981

GB/T 2556-1981, Total:124 items.

The international standard classification for "GB/T 2556-1981" includes: Flanges, couplings and joints , Oxides , Cadmium, cobalt and their alloys , Plain bearings , Concrete and concrete products , Petroleum products in general , Ferrous metals , Moulding equipment , Mining equipment , Rubber , Coals , Phenols , Solvents , Chemical analysis of metals , Rails and railway components , Energy and heat transfer engineering in general , Electrical engineering in general , Footwear , Equipment for the metallurgical industry , Dividing and tool-workpiece holding devices , IT Terminal and other peripheral equipment , Non-ferrous metal pipes , Paper and board , Plastics , Valves , Waxes, bituminous materials and other petroleum products , Reinforced plastics , Cylinders , Meat, meat products and other animal produce , Industrial process measurement and control , Copper and copper alloys , Rolling bearings , Transmission systems , Optical equipment , Welded joints , Environmental testing , Animal husbandry and breeding , Metrology and measurement in general , Generators .

The Chinese standard classification for "GB/T 2556-1981" includes: Pipeline fittings , Rare metals and their alloys analysis method , Sliding bearing , Concrete, aggregate, plaster and mortar , Petroleum products in general , Steel and iron alloy analysis method , Mould , Narrow gauge mining railway vehicles , Rubber products in general , Coal for vehicle, vessel and coal gas , General organic chemicals , Chemical additive , Metal physical property test method , Railway steel , Technical management , Basic standards and general methods , Communication network in general , Footgear , Casting , Combination grippers , Computer peripherals , Heavy metals and their alloys , Paper , Basic standards and general methods for synthetic resin and plastic , Hydraulic and pneumatic device , Petroleum wax , Fibre reinforced composites , Food sanitation , Industrial automation and control device in general , Rolling bearing , Basic standard and general method for synthetic rubber , Papermaking in general , Communication network transmission system interface , Industrial technical glass , Fuel oil , Optical instrument in general , Welding and cutting , Domestic animal and poultry , Comprehensive Technology , Electric rotating machinery in general .

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 2415-1981 Breeding stock--Farm cattle: Nanyang breed
GB/T 2882-1981 Nickel and nickel-copper alloy tube
GB/T 2861.5-1981 Guide unit of cold press dies--Small guide pillars, type B
GB/T 2843-1981 The method of tempered glass impact test(227g steel ball test)
GB/T 2560-1981 Lignite wax;Determination of drop point
GB/T 1678-1981 Determination of the epoxy value of plasticizers(pyridine-hydrochloride method)
GB/T 2592.3-1981 Thallium;Determination of mercury content;Dithizone-carbon tetrachloride extraction photometric method
GB/T 2572-1981 Glass fiber reinforced plastics-Average linear expansion factor of fiber-Method of testing
GB/T 2424.13-1981 Electric and electronic products--Basic environmental test regulations for electricians--Guidelines for temperature variation tests
GB/T 2555-1981 Pipe flange connectors for ordinary use--Mounting dimensions
GB/T 2556-1981 Pipe flanges for ordinary use--Sealing surfaces--Forms and dimensions
GB/T 2795-1981 Methods of analysis for BHC and DDT residues in export rabbit meat
GB/T 2592.7-1981 Thallium;Determination of aluminum content;Chromazurol S photometric method
GB/T 2592.5-1981 Thallium;Determination of cadmium content;Dithizone extraction photometric method
GB/T 2885.4-1981 Automatic drop bottom wagon for metallic mines; Basic parameters and dimensions
GB/T 2559-1981 Lignite wax--Determination of melting point
GB/T 2861.19-1981 Guide unit of cold press dies--Guide bushing with ring fixed
GB/T 2681-1981 Colours of insulated conductors used in electrical assembly devices
GB/T 2675-1981 Paper for drawing land maps
GB/T 2689.1-1981 Constant stress life tests and acceleration life tests--General rules
GB/T 2604-1981 o-Cresol--Determination of composition--Gas chromatography
GB/T 1695-1981 Vulcanized rubber--Test method for industrial frequency puncture voltage and dielectric strength
GB/T 2416-1981 Breeding stock--Northeast fine-wool sheep
GB/T 2432-1981 Gasoline;Determination of tetraethyl lead content;Complexometric titration method
GB/T 2420-1981 Quick Test Method on Cements Sulfate-resistance
GB/T 304.9-1981 Spherical plain radial bearings,joint type-Technical requirements
GB/T 2789-1981 Technical requirements for network interface for the analogue microwave relay communication systems
GB/T 2426-1981 Breeding stock--Xinjiang fine-wool sheep
GB/T 2683-1981 Test chart for facsimile transmission
GB/T 2689.4-1981 Life test and acceleration life test--Optimal linear deflection-free evaluation of Weibull distributions
GB/T 2423.19-1981 Electric and electronic products--Basic environmental test regulations for electricians--Test Kc: The sulphur dioxide method at the point of contact and the connecting element
GB/T 2590.8-1981 Zirconium oxide--Determination of hafnium oxide content--Emission spectrophotometric method
GB/Z 37839-2019 Information model covering the contents of GB/T 5094.1 and GB/T 5094.2,GB/T 16679, GB/T 18656 and GB/T 16901.3
GB/T 2430-1981 Jet fuels;Determination of freezing-point
GB/T 2590.2-1981 Zirconium and hafnium oxides--Determination of iron content--Sulfosalicylic acid photometric method
GB/T 2590.7-1981 Zirconium and hafnium oxides--Determination of phosphorus content--Ascorbic acid reduced molybdoantimonylphosphoric acid absorption photometric method
GB/T 2728-1981 Hygienic standard for Xiaorou (pork, special processed with salt and nitrite)
GB/T 2590.10-1981 Hafnium oxides;Determination of manganese oxide content;Potassium periodate photometric method
GB/T 2773-1981 Breeding stock;Ningxiang pigs
GB/T 2679.7-1981 Paper board-Determination of piercing strength
GB/T 2547-1981 Plastic resins;Sampling
GB/T 2822-1981 Standard linear dimensions
GB/T 2540-1981 Petroleum products;Determination of density by pycnometer
GB/T 2861.4-1981 Guide unit of cold press dies--Small guide pillars, type A
GB/T 2592.1-1981 Thallium;Determination of copper content;Neocuproine-chloroform extraction photometric method
GB/T 2592.6-1981 Thallium;Determination of lead content;Dithizone extraction photometric method
GB/T 2687-1981 Powder metallurgy plain bearing--Spherical type--Types, dimensions and tolerances
GB/T 223.1-1981 Determination of carbon content in iron, steel and alloy
GB/T 2656-1981 Weld beads metal and welds--Fatigue tests
GB/T 223.2-1981 Determination of sulphur content in iron,steel and alloy
GB/T 2562-1981 Lignite wax--Determination of benzene insoluble substance
GB/T 2826-1981 Tie-plates--Technical requirements for 38kg/m to 50kg/m steel rails
GB/T 2804-1981 Modular parts of fixture construction; General features,profiles and dimensions
GB/T 2417-1981 Breeding stock--Jinhua pigs
GB/T 2592.4-1981 Thallium;Determination of zinc content;Dithizone extraction photometric method
GB/T 2423.27-1981 Electric and electronic products--Basic environmental test regulations for electricians--Test Z/AMD: The successive integrated low temperature/low atmospheric pressure/damp-heat method
GB/T 1677-1981 Determination of the epoxy value of plasticizers(acetone-hydrochloride method)
GB/T 2511-1981 Copper alloy integrated shaft sleeves--Technical requirements
GB/T 2703-1981 Technical terms for leather shoes industry
GB/T 2592.10-1981 Thallium--Determination of thallium content--EDTA volumetric method
GB/T 2561-1981 Lignite wax;Determination of propanone-soluble substance(resin matter)
GB/T 2564-1981 Lignite wax--Determination of acid value and saponification value
GB/T 2592.9-1981 Thallium;Determination of silicon content;Isoamyl alcohol extraction molybdenum blue absorption photometric method
GB/T 1957-1981 Limit gauges for plain workpiece
GB/T 384-1981 Determination of calorific value of petroleum products
GB/T 2590.5-1981 Zirconium and hafnium oxides--Determination of sodium content--Flame atomic absorption spectrophotometric method
GB/T 2532-1981 Brass sheets and strips for main sheet in water tanks and water chambers
GB/T 2423.20-1981 Electric and electronic products--Basic environmental test regulations for electricians--Test Kd:The hydrogen sulfide method at the point of contact and the connecting element
GB/T 2590.4-1981 Zirconium and hafnium oxides--Determination of aluminum content--Chromazurol S-tetradecyl pyridine bromide photometric method
GB/T 2787-1981 Keyboard for international information processing interchange using the 7-bit coded character set; Alphanumeric area
GB/T 223.7-1981 Determination of iron content in alloy and powder
GB/T 2739-1981 Hygienic standard for Huangyu(Gymnocypris Przewalskii)
GB/T 2885.5-1981 Flat deck wagon for metallic mines; Basic parameters and dimensions
GB/T 2877-1981 Hydraulic fluid power; Two-port slip-in cartridge valves cavities; Mounting dimensions
GB/T 2509-1981 Copper alloy integrated shaft sleeves for plain bearings--Types, dimensions and tolerance
GB/T 2688-1981 Powder metallurgy plain bearing;Technical requirements
GB/T 2885.1-1981 Solid-bottom wagon for metallic mines--Basic parameters and dimensions
GB/T 2590.1-1981 Zirconium and hafnium oxides;Determination of zirconium(hafnium)oxide contents;Mandelic acid gravimetric method
GB/T 2587-1981 Energy equilibrium of heating devices;Common rules
GB/T 2590.3-1981 Zirconium and hafnium oxides--Determination of silicon content--Silicon-molybdenum blue photometric method
GB/T 2831-1981 Surface form deviation of optical elements－Inspection methods
GB/T 2590.9-1981 Hafnium oxide--Determination of zirconium oxide content--X-ray fluorescence spectrometric method
GB/T 2625-1981 Process detection and control flow chart; Symbols and letter codes
GB/T 2842-1981 Test method for lightweight aggregates
GB/T 2563-1981 Lignite wax--Determination of ash content
GB/T 2684-1981 Foundry sands and sand mixtures for casting; Method of testing
GB/T 2885.6-1981 Material supply wagon for metallic mines; Basic parameters and dimensions
GB/T 2861.9-1981 Guide unit of cold press dies--Small guide bushing
GB/T 2592.8-1981 Thallium;Determination of indium content;Crystal violet extraction photometric method
GB/T 2510-1981 Copper alloy integrated shaft sleeves for plain bearings with gears--Types, dimensions and tolerances
GB/T 2689.2-1981 Life test and acceleration life test charts-Evaluation of their Weibull distributions
GB/T 2861.18-1981 Guide unit of cold press dies--Guide pillars with ring fixed
GB/T 2885.2-1981 Tilting wagon for metallic mines--Basic parameters and dimensions
GB/T 1676-1981 Determinating the iodine value of plasticizers
GB/T 2676-1981 Paper for drawing ocean maps
GB/T 223.3-1981 Determination of phosphorus content in steel and alloy
GB/T 2531-1981 Copper sheets for fixing boards in heat exchangers
GB/T 2590.6-1981 Zirconium and hafnium oxides--Determination of titanium content--Diantipyrymethane photometric method
GB/T 2685-1981 Powder metallurgy plain bearing--Cylindrical type--Types, dimensions and tolerances
GB/T 2686-1981 Powder metallurgy plain bearing--Rimed cylindrical type--Types, dimensions and tolerances
GB/T 1693-1981 Vulcanized rubber--Determination for industrial frequency dielectric constant and dielectricloss angular tangent value
GB/T 2689.3-1981 Life test and acceleration life test--Simple linear deflection-free evaluation of Weibull distributions
GB/T 2590.11-1981 Zirconium oxide;Determination of nickel content;2,2
GB/T 2861.17-1981 Guide unit of cold press dies--Mounting dimension of die holder for removable guide pillars
GB/T 2830-1981 Rolled-up punched paper tape for data interchange--General requirements
GB/T 2539-1981 Paraffins;Determination of melting point(cooling curve)
GB/T 2413-1981 Piezoelectric ceramic materials--Measuring methods fordetermination of volume and density
GB/T 997-1981 Symbols for types of construction and mounting arrangements of rotating electrical machinery
GB/T 2861.20-1981 Guide unit of cold press dies--Clamping ring
GB/T 1694-1981 Vulcanized rubber--Test method for HF dielectric constant and dielectric loss angular tangent value
GB/T 2885.3-1981 Single-side tipping and curved rail wagon for metallic mines;Basic parameters and dimensions
GB/T 2682-1981 Colours of indicator lights and push-buttons used in electrical assembly devices
GB/T 2541-1981 Petroleum products;Computation table for viscosity indices
GB/T 2592.2-1981 Thallium--Determination of iron content--1, 10-phenanthroline photometric method
GB/T 2880-1981 Hydraulic fluid power; Cylinder rod and piston seals for reciprocating applications; Dimensions and tolerances of housings; Narrow section series
GB/T 2601-1981 Products from phenols--Determination of composition--Gas chromatography
GB/T 2596-1981 Tungsten powder and tungsten carbide powder; Determination of specific surface product(average graininess) ; Simplified nitrogen absorption method

International Organization for Standardization (ISO)

Underwriters Laboratories (UL)

UL 1981 BULLETINS-2002

American Society for Testing and Materials (ASTM)

American Society of Mechanical Engineers (ASME)

ASME SEC III INT-1981 Interpretations (1981) - Section III

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