Gb T 304 2 2015 Translated English Of Chinese Standard Gbt 304 2 2015 Gb T304 2 2015 Gbt304 2 2015

This Part of GB/T 304 specifies the preparation method for identification code of spherical plain bearings. This Part is applicable to spherical plain bearings of general purpose.

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 70 specifies the type and dimension, technical conditions and markings of hexagon socket button head screws with Thread Specification M3~M16, Property Class 08.8, 010.9, 012.9, 012.9, A2-70, A2-80, A3-70, A3-80, A4-70, A4-80, A5-70 and A5-80, Product Grade A, and the carrying capacity is reduced as per Table 3.

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 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.

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 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 classification, grade, ordering contents, dimension, appearance, weight and allowable deviation, technical requirements, test methods, inspection rules, package, mark, and quality certificate, etc. for the non-alloyed steels and alloyed structural steels for cold heading and cold extruding.