GB/T 3048.5-2007 Translated English of Chinese Standard. (GBT 3048.5-2007, GB/T3048.5-2007, GBT3048.5-2007)


Book Description

This Part of GB/T 3048 specifies the terms and definitions, test equipment, sample preparation, test procedures, test results and calculation, cautions, and test record of DC comparison method and voltage-current method for the measurement of insulation resistance.




GB/T 3048.9-2007 Translated English of Chinese Standard. (GBT 3048.9-2007, GB/T3048.9-2007, GBT3048.9-2007)


Book Description

As for the spark test of insulated cores (electric wires), this part of GB/T3048 stipulates the terms and definitions, test facilities, specimen preparation, test procedures, test result and assessment, calibration of test facilities, and test records. This part is suitable for testing the insulating layer quality of insulated cores of rubber and plastic insulated electric cables and wires; it can be used to implement the intermediate test and routine test of electric cables and wires. It cannot be used to test the insulation products of conducting cores made of non-conducting materials.




GB/T 3048.1-2007 Translated English of Chinese Standard (GB/T 3048.1-2007, GBT3048.1-2007)


Book Description

This Part of GB/T 3048 specifies terms and definitions for electrical properties of electric cables and wires, general provisions for tests, purpose to realize the provisions and periodic calibration of test equipment. According to the relevant wire and cable standards, the test methods specified in the subsequent parts of GB/T 3048 are applicable to the electrical properties test for various types of electric cables and wires as well as materials.




GB/T 21302-2007 Translated English of Chinese Standard. (GBT 21302-2007, GB/T21302-2007, GBT21302-2007)


Book Description

This Standard specifies the terms, definitions, symbols, abbreviations, classification, requirements, test methods, inspection rules, packaging, transportation and storage of laminated films and pouches for packaging that are made of different materials through different lamination methods.




GB/T 14985-2007 Translated English of Chinese Standard (GB/T 14985-2007, GBT14985-2007)


Book Description

This Standard specifies the dimensions, shape and allowable deviation, surface quality, testing methods, inspection rules, packaging, marks and quality certificates for expansion alloys. This Standard applies to expansion alloys with a certain average linear expansion coefficient within a certain temperature range.




GB/T 328.10-2007 Translated English of Chinese Standard. (GBT 328.10-2007, GB/T328.10-2007, GBT328.10-2007)


Book Description

This Standard specifies classification, code, dimension, shape, weight, permissible deviations, technical requirements, test methods, inspection rules, packaging, marking, and quality certificate of cold-drawn or cold-rolled precision seamless steel tubes.




GB/T 3620.2-2007 Translated English of Chinese Standard. (GBT 3620.2-2007, GB/T3620.2-2007, GBT3620.2-2007)


Book Description

This Part specifies the permissible variations of chemical composition for titanium and titanium alloy pressure wrought products (plates, strips, foils, tubes, rods, wires, forging stocks, and profiles). This Part applies to the check analysis of chemical composition for titanium and titanium alloy pressure wrought products. This Part does not apply to the analysis of exit-factory products of the production plant. This Part does not apply to the check analysis of changes in the content of impurity elements (such as hydrogen, nitrogen, oxygen) caused by the reprocessing of the product by the purchaser.




GB/T 15055-2007 Translated English of Chinese Standard. (GBT 15055-2007, GB/T15055-2007, GBT15055-2007)


Book Description

This Standard specifies the stamping parts tolerance grade and limit deviation for linear and angular dimensions without individual tolerance indication. This Standard is applicable to the metal stamping parts; while the non-metal stamping parts can be implemented as per this Standard. The limit deviations specified in this Standard are applicable to the non-coordinating size. Precision stamping and extrusion parts can refer to the use of this Standard.




GB/T 21117-2007 Translated English of Chinese Standard. (GBT 21117-2007, GB/T21117-2007, GBT21117-2007)


Book Description

GBT 21117-2007 specifies the magnetostrictive level meter - product classification, basic parameters, technical requirements, test methods, inspection rules, signs, instructions, packaging, storage and transport. This Standard applies to the magnetostrictive.