Gb T 12754 2019 Translated English Of Chinese Standard Gbt 12754 2019 Gb T12754 2019 Gbt12754 2019

This Standard specifies terms and definitions, grade representation method, classification and code, order content, dimensions, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificates of pre-painted steel sheets and strips. This Standard applies to pre-painted steel sheets and strips for building interior and exterior applications. Pre-painted steel sheets for home appliances and other purposes may also refer to this Standard.

This Standard specifies the analytical method of chemical composition for activated carbon mercury removal catalyst. This Standard is applicable to the determinations of mass fractions of sulfur (S), calcium (Ca), magnesium (Mg), iron (Fe), aluminum (Al) in activated carbon mercury removal catalyst.

This Part of GB/T 20671 specifies the principle, instruments and apparatuses, test samples, test procedures, test reports and precision of the method for determining the degree of influence on the physical properties of nonmetallic gasket materials after immersion in the test liquid. This Part applies to the determination of the liquid resistance of Type 1, Type 2, Type 3 and Type 7 materials which are described in GB/T 20671.1-2020.

This Standard specifies the terms and definitions, ordering contents, classification and designation, dimension, shape, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of stainless-steel wires.

This Standard specifies product classification, technical requirements, test methods, inspection rules, marking, package, transportation, storage, quality certificate, and ordering form (or contract) contents of platinum ingots. This Standard is applicable to the platinum ingots produced by the platinum-contained raw materials.

This Standard specifies to use blue fracture test method to inspect macro nonmetallic inclusions in steel, including sample preparation, inspection method, inspection result and inspection report. This Standard is applicable to inspect macro non-metallic inclusions in steel, of which length is not less than 1mm, width is not less than 0.1mm.

This Standard specifies the main control points and requirements for the production process of multi-way precision die forgings, including process design, raw materials, blanking, molds, forging equipment, forging, safety and environmental protection. This Standard applies to the quality control of multi-way precision die forgings.

This Standard specifies the definition, classification, requirements, test methods, inspection rules, product marking, package, transportation, storage and safety measures for the structural 3D code anti-counterfeiting technology products. This Standard is applicable to the anti-counterfeiting technology products with structural 3D code.