Gb T 14989 2015 Translated English Of Chinese Standard Gbt 14989 2015 Gb T14989 2015 Gbt14989 2015

This standard specifies the designation, size, shape and allowable deviation, technical requirements, test methods, inspection rules, packaging, marking and quality certificates of iron-cobalt-vanadium permanent magnet alloys. This standard applies to the iron-cobalt-vanadium alloy cold drawn wire and cold rolled strip used to produce the small section permanent magnet and recording materials.

This Standard specifies the requirements, test methods, inspection rules, marking, package, transportation, storage, order sheet (or contract), and the like contents of seamless copper alloy tube for condenser and heat-exchanger. This Standard is applicable to the seamless copper alloy tubes used by thermal power generation, ship, offshore oil, machinery, chemical and other industrial sectors to manufacture heat-exchanger and condenser.

This Standard specifies the classification and marking, requirements, test methods, inspection rules, packaging and storage for marine bronzel flanged check valve of flange connection size and sealing surface according to GB/T 4196, GB/T 2501.

This Standard specifies the terms, definitions, components, materials, grading, code, technical requirements, test methods, inspection rules, packaging, mark, transportation and storage of white Portland cement. This Standard is applicable to the production and application of white Portland cement.

This Standard specifies the requirements, test methods, inspection rules, and symbols, packaging, transport, storage and quality certificate for the mixed rare earth oxide of ion-absorbed type rare earth ore. This Standard is applicable to the mixed rare earth oxide of ion-absorbed type rare earth ore prepared by using the chemical method, where ion-absorbed type rare earth ore is used as the raw material. The mixed rare earth oxide of ion-absorbed type rare earth ore is mainly used as the raw material for grouping rare earth aggregates or separating single rare earth compounds.

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage, quality certificate and contract (or purchase order) of titanium-clad copper bar. This standard is applicable to titanium-clad copper bar (hereinafter referred to as composite bar) used in the manufacture of metal anode electrolyzer and other applications produced by hot-extrusion, hot-extrusion stretching, explosive composite, or explosive composite hot-rolling.

This Part of the GB/T 2449 specifies the requirements, sampling, test methods, inspection rules, marks, packaging, transportation, storage and safety of the liquid sulphur for industrial use. This Part is applicable to the liquid sulphur for industrial use produced from recycled petroleum refinery gas and natural gas. For the liquid sulphur for industrial use produced by using other processes, this Part may also be referred to for implementation.

This part of GB/T 3098 specifies the mechanical and physical properties of the nuts with coarse thread and fine pitch thread made of carbon steel or alloy steel when tested at ambient temperature range of 10C to 35C. Nuts conforming to the requirements of this part may not retain the specified mechanical and physical properties at elevated and/or lower temperature.