GB/T 35840.1-2018: Translated English of Chinese Standard. (GBT 35840.1-2018, GB/T35840.1-2018, GBT35840.1-2018): Steels for plastic mould - Part 1: Non-alloy steels
https://www.chinesestandard.net, 5 mei 2018 - 12 pagina's
This Part of GB/T 35840 specifies the ordering content, dimensions, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate for non-alloy steels for plastic mould. This Part applies to hot-rolled or forged non-alloy round steel, square steel, flat steel and steel plates (sheets) for the manufacture of plastic mould.
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2.0 Category accordance with GB/T agreed As agreed bubble and oxide chemical compositions condition of hot-rolling conformity level content GB/T delivery condition Designations and chemical ensure the minimum flat steel Grade not greater induction furnace inspection and acceptance Jiangsu macrostructure and defect marking and quality method after combustion Non-alloy steels non-metallic inclusion testing oxide skin indentation packaging pc/batch pcs/batch pieces of steels plastic mould Pre-hardened steel quality certification quantities and sampling Re-inspection and criteria Round steel Sample quantity sampling locations series Coarse series shape and tolerances sides and indicated Smelting method special requirements specified in GB/T specified in group specified in Table spectrophotometric method GB/T square steel steel and alloy steel and flat Steel and iron Steel and steel steel plates sheets Steels for plastic steels GB/T steels/mm strips GB/T subjected to non-metallic sulfur Surface quality test items test methods testing GB/T titration tolerances of steel ultrasonic testing