In the international standard classification, metal zinc is related to surface treatment and coating, metal material testing, non-ferrous metals, pipeline components and pipelines, inorganic chemistry, chemical products, metal corrosion, metal mining, steel products, rubber, textile products, insulating fluids, ferrous metals, powder metallurgy, fasteners, building components, non-ferrous metal products, paints and varnishes, road vehicles, coating materials, power transmission networks and distribution networks, optics and optical measurement, and non-metallic minerals.
In the Chinese standard classification, metal zinc is related to material protection, analysis methods for semiconducting and semi-metallic materials, analysis methods for heavy metals and their alloys, steel pipes, cast iron pipes, heavy metal ores, casting, coating auxiliary materials, other textile products, insulating oil, analysis methods for steel and iron alloys, comprehensive metal chemical analysis methods, metal chemical performance test methods, ore dressing agents, analysis methods for powder metallurgy, steel wire, steel wire rope, roofing, waterproof and moisture-proof materials, metal structural fittings, standardization, quality management, welding and cutting, comprehensive inorganic chemical raw materials, metal and alloy powders, powder metallurgy materials and products, fasteners, light metals and their alloys, inorganic salts, transmission line equipment, optical measuring instruments, other non-metallic minerals, heat treatment, and basic standards and general methods for synthetic rubber. The testing method used in this video is GB/T 5314 Powder for Powder Metallurgy, and the sampling method is… (not mentioned in the original text).
Post time: Mar-27-2023
