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Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2019-11-02
Total Pages: 6
ISBN-13:
DOWNLOAD EBOOK →This Standard specifies the general method for the direct determination of ignition residues for organic chemical products. This Standard applies to the determination of ignition residue content for organic chemical products.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2015-08-02
Total Pages: 13
ISBN-13:
DOWNLOAD EBOOK →This Part of GB/T 19363.1 specifies the translation services - translation services specifications. This Part is applicable to translation services.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2015-05-30
Total Pages: 9
ISBN-13:
DOWNLOAD EBOOK →This standard specifies general specifications for acceptance, packaging, marking and certification for section steel (steel bar and rod). This Standard is applicable to hot rolling, cold drawing (rolling), forging and heat treating section steel.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2020-03-08
Total Pages: 9
ISBN-13:
DOWNLOAD EBOOK →This Standard specifies the requirements, test methods, inspection rules, packaging, marking, transportation, storage and safety requirements of butadiene for industrial use. This Standard applies to the butadiene that is produced by extractive distillation, of which dimethylformamide, acetonitrile, or N-methylpyrrolidone is used as the solvent.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2017-12-16
Total Pages: 11
ISBN-13:
DOWNLOAD EBOOK →This Standard specifies the name, graphic symbol, dimension, color and application method of the pictorial marking for packaging and handling of goods.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2015-05-06
Total Pages: 23
ISBN-13:
DOWNLOAD EBOOK →This standard specifies the scope, terms and definitions, ordering information, dimensions, shape, weight and tolerances, technical requirements, test methods, inspection rules, packing, marking and quality certificate of free-cutting structural steels. This standard is applicable to steels such as bar steels, wire rods, steel wires, steel plates, and steel strips that are used for mechanical machining. Their chemical.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2014-11-20
Total Pages: 7
ISBN-13:
DOWNLOAD EBOOK →This Standard specifies the technical requirements, test methods, as well as packaging, marking, storage, safety warning of pure nitrogen, high purity nitrogen and ultra pure nitrogen products. This Standard applies to gaseous or liquid pure nitrogen, high purity nitrogen and ultra-pure nitrogen obtained from air separation or purification. They are mainly used as the protective gas, replacement gas, reaction gas, etc. Molecular formula: N2. Relative molecular mass: 28.1034 (according to relative atomic mass in 2005).
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2016-10-01
Total Pages: 17
ISBN-13:
DOWNLOAD EBOOK →This Standard specifies notations for designations of iron and steel. It is applicable to the preparation of designations for pig iron, carbon structural steels, low-alloy structure steel, quality carbon structural steel, free-cutting steel etc.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2014-10-28
Total Pages: 9
ISBN-13:
DOWNLOAD EBOOK →This Standard specifies the silicon metal.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2023-03-07
Total Pages: 12
ISBN-13:
DOWNLOAD EBOOK →This Standard stipulates the basic requirements for the type and size, profile size and deviation, technical requirements, marking and packaging of thread rolling flat dies for general purpose metric screw threads. This Standard applies to thread rolling flat dies for processing general purpose metric screw threads (GB/T 192~193, GB/T 196~197). Thread rolling flat dies are divided into three precision grades: grade 1, grade 2 and grade 3. Grade 1 applies to the processing of external threads with tolerance grades 4 and 5; grade 2 applies to the processing of external threads with tolerance grades 5 and 6; grade 3 applies to the processing of external threads with tolerance grades 6 and 7.
