Standards

YS/T 745.2-2010 Replaced

YS/T 745.2-2010 Methods for chemical analysis of copper anode slime—Part 2:Determination of gold content and silver content—Fire assay gravimetric method

YS/T 745 This part specifies the determination method of gold and silver content in copper anode sludge.
This part is applicable to the determination of gold and silver content in copper anode sludge. The determination range is: gold 0.100 kg/t to 20.000 kg/t; silver: 20.00 kg/t to 300.00 kg/t.

Publish Date: 2010-11-22

YS/T 277-2009 Replaced

YS/T 277-2009 Nickel monoxide

This standard specifies the requirements, testing methods, inspection rules, packaging, marking, transportation, storage, and quality certificates for nickel oxide (NiO). This standard is applicable to nickel oxide used in the production of magnetic materials, metallurgy, cathode-ray tubes, enamel and ceramic coatings, and glass pigments; it can also be used as a raw material for the manufacture of nickel salts and nickel catalysts.

Publish Date: 2009-12-04

YS/T 337-2009 Replaced

YS/T 337-2009 Pyrite concentrate

This standard specifies the requirements for sulfur concentrates, test methods, inspection rules, and packaging, transportation, storage, and the contents of purchase orders (or contracts).
This standard applies to sulfur concentrate products obtained through regrinding and flotation, which are used in the production of sulfuric acid and the extraction of sulfur, among other applications.

Publish Date: 2009-12-04

YS/T 437-2009 Replaced

YS/T 437-2009 Moment of inertia calculation methods and computing software requirements of aluminium profiles

This standard specifies the symbols, calculation methods, and requirements for computer programs for the geometric parameters of aluminum alloy profiles. This standard is applicable to the calculation of the geometric parameters of aluminum alloy profiles.

Publish Date: 2009-12-04

YS/T 503-2009 Replaced

YS/T 503-2009 Anvils and high pressure cylinders of cemented carbide

This standard specifies the requirements for hard alloy top hammers and pressing cylinders, the test methods and inspection rules, marking, packaging, transportation, storage, and the contents of purchase orders (or contracts). This standard applies to hard alloy top hammers and pressing cylinders used in the production of high-pressure-resistant components for artificial diamonds.

Publish Date: 2009-12-04

YS/T 521.2-2009 Replaced

YS/T 521.2-2009 Methods for chemical analysis of blister copper—Part 2:Determination of gold and silver contents—Fire assay method

This part of YS/T 521 specifies the determination method for the content of gold and silver in crude copper.
This part is applicable to the determination of the content of gold and silver in crude copper. The determination range is: the mass fraction of gold ≥ 0.5 g/t; the mass fraction of silver ≥ 20 g/t.

Publish Date: 2009-12-04

YS/T 551-2009 Replaced

YS/T 551-2009 Copper alloy rod and bar for use in numerical control lathe

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage, and order form (or contract) content for copper alloy rods used in CNC lathes.
This standard applies to high-precision circular, rectangular (square), and regular hexagonal copper alloy rods used in high-speed CNC lathe processing in various industrial sectors.

Publish Date: 2009-12-04

YS/T 552-2009 Replaced

YS/T 552-2009 Blanks for cemented carbide rotary teeth

This standard specifies the requirements, inspection rules, test methods, marking, packaging, transportation, storage, and content of purchase orders (or contracts) for tungsten carbide rotary file blanks. This standard applies to tungsten carbide rotary file blanks used in mechanized tools.

Publish Date: 2009-12-04

YS/T 553-2009 Replaced

YS/T 553-2009 Heavy duty cemented carbide insert blanks for cutting tools

This standard specifies the requirements, inspection rules, test methods, marking, packaging, transportation, storage, and content of purchase orders (or contracts) for rough castings of hard alloy blades used in heavy-duty tools. This standard applies to rough castings of hard alloy blades used in heavy-duty tools.

Publish Date: 2009-12-04

YS/T 575.23-2009 Replaced

YS/T 575.23-2009 Method for chemical analysis of aluminum ores—Part 23:Determination of element contents X-ray fluorescence spectrometric method

This section specifies the methods for determining aluminum oxide, silica, total iron (expressed as Fe2O3), titanium dioxide, potassium oxide, sodium oxide, calcium oxide, magnesium oxide, phosphorus pentoxide, manganese oxide, sulfur, vanadium, gallium, and zinc in bauxite ore.
This section is applicable to the determination of aluminum oxide, silica, total iron (expressed as Fe2O3), titanium dioxide, potassium oxide, sodium oxide, calcium oxide, magnesium oxide, phosphorus pentoxide, manganese oxide, sulfur, vanadium, gallium, and zinc in bauxite ore. It is also applicable to the determination of the above-mentioned components in samples such as clay and kaolin. The determination range is shown in Table 1.

Publish Date: 2009-12-04

YS/T 665-2009 Replaced

YS/T 665-2009 Refined aluminium ingot for remelting

This standard specifies the requirements, test methods, inspection rules, packaging, marking, transportation, and storage of high-purity aluminum ingots for remelting.
This standard applies to high-purity aluminum ingots for remelting produced by the three-layer liquid electrolysis method and the segregation method.

Publish Date: 2009-12-04

YS/T 693-2009 Replaced

YS/T 693-2009 The norm of energy consumption for producing copper concentrate

This standard specifies the requirements, calculation principles, scope of calculation, and calculation methods for the energy consumption of copper concentrate production. This standard is applicable to the calculation and assessment of energy consumption indicators in mining and flotation (concentration) processes, with the primary focus on the production of qualified copper concentrate.

Publish Date: 2009-12-04