eBook PDF Download Digital Library
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2016-01-22
Total Pages: 25
ISBN-13:
DOWNLOAD EBOOK →This Standard specifies the evaluation method of gray cast iron microstructure under optical microscope.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2024-04-25
Total Pages: 31
ISBN-13:
DOWNLOAD EBOOK →This document specifies the preparation of specimens, inspection items and rating charts, result representation, test reports for metallographic examination of gray cast iron. This document is applicable to the evaluation of the microstructure of gray cast iron.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2018-11-09
Total Pages: 23
ISBN-13:
DOWNLOAD EBOOK →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.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2016-05-22
Total Pages: 16
ISBN-13:
DOWNLOAD EBOOK →This Standard specifies the dimension, appearance, weight, technical requirements, test methods, inspection rules, packing, marking and quality certificate of the hot-rolled seamless steel tubes for hydraulic pillar service. This Standard is applicable to hot-rolled seamless steel tubes for cylinder and pillar service for manufacturing coal mine hydraulic support and pillar. Other hot-rolled seamless steel tubes for hydraulic cylinder and pillar service may refer to this Standard.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2018-10-19
Total Pages: 11
ISBN-13:
DOWNLOAD EBOOK →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%.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2020-08-13
Total Pages: 16
ISBN-13:
DOWNLOAD EBOOK →This Standard specifies contents such as requirements, test methods and inspection rules for limit of certain harmful elements of coatings for consumer products contacting with human body This Standard applies to various coatings that are used in consumer product contacting with human body.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2020-05-16
Total Pages: 116
ISBN-13:
DOWNLOAD EBOOK →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.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2021-03-20
Total Pages: 11
ISBN-13:
DOWNLOAD EBOOK →This standard specifies the use of gas chromatography to determine the content of benzene, toluene, ethylbenzene and xylene in coatings. In this standard, Method A is suitable for the determination of benzene, toluene, ethylbenzene and xylene content in solvent-based coatings; Method B is suitable for the determination of benzene, toluene, ethylbenzene and xylene content in water-based coatings.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2016-05-21
Total Pages: 23
ISBN-13:
DOWNLOAD EBOOK →This standard specifies the method for assessing the microstructure of spheroidal graphite cast iron in optical microscopes. This standard specifies the methods for assessing spheroidizing grade, graphite size, number of nodular graphite, number of pearlite, number of ferrite in dispersed distribution, number of phosphide eutectic, and number of carbide; it lists out the corresponding standard figures.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2020-08-02
Total Pages: 15
ISBN-13:
DOWNLOAD EBOOK →This Standard specifies the determination method of apparent density, true density and porosity of iron ores. This Standard is applicable to the determination of apparent density, true density and porosity of pelletized iron ores.
