Gb T 1 1 2009 Translated English Of Chinese Standard Gbt 1 1 2009 Gb T1 1 2009 Gbt1 1 2009

This part of GB/T 1 specifies the standard structure, drafting expression rules, layout format; gives the relevant expression style. This part applies to the preparation of national standards, industry standards and local standards, as well as national standardization guidance technical documents. The preparation of other standards can refer to it for use.

This Part of GB/T 4701 specifies the determination of titanium content in ferrotitanium using the ammonium ferric sulfate titration method. This Part applies to the determination of titanium content in ferrotitanium. Measuring range (mass fraction): 20.00%~80.00%.

This Part of GB/T 231 specifies metallic Brinell hardness test principle, symbols and explanations, test equipment, test specimen, test procedures, test results uncertainty and test report.

This Document establishes the structure of standardizing document and the general principles and requirements for their drafting. It also specifies the rules for the drafting and expression of document names, levels, elements, and the format of document layout. This Document is applicable to the drafting of national, industry and local standardization documents. The drafting of other standardizing documents can refer to this Document.

This Standard specifies general type wire thread inserts with symmetrical profile, of which the nominal diameter of the thread is 2mm~39mm, and the thread pitch is 0.4mm~4mm. The wire thread insert that is specified in this Part is screwed in the internal thread for 6H specified in GB/T 24425.5. The tolerance zone of the formed internal thread is 6H (GB/T 197).

This part of GB/T 23513 specifies the determination method of germanium content in germanium concentrate. This part applies to the determination of germanium content in germanium concentrate. Determination range: 1.0%-70%.

This standard specifies the classification and code, dimension, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, marking and quality certificates of cold-drawn precision single welded steel tubes. This standard is applicable to the cold-drawn precision single welded steel tubes which are used in the manufacture of condensers, evaporators, fuel pipes, lubricating oil pipes, electric heating pipes, cooler pipes and general pipe fittings in such industries as refrigeration, automotive, electric heating and so on.

This Part of GB/T 23341 specifies the technical requirements, inspection rules, marks, packaging, transportation and storage of radial-flow and mixed-flow turbochargers.