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Japan Scrap Iron and Steel Classification Standard
Classification Standards for Japans Scrap Iron and Steel
Scrap iron and steel are by-products of a variety of industrial activities. In Japan, scrap iron and steel is classified according to its source. The classification system for scrap iron and steel has been developed by the Ministry of Econ......
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Flux for submerged arc welding of carbon steel GB 5293-85
GB 5293-85 Carbon Steel Arc Welding Electrodes
The Chinese standard GB 5293-85 Carbon Steel Arc Welding Electrodes is the national standard referenced in China and all others countries using the same standard, which regulates the makeup and use of carbon steel arc welding electrodes.
The main co......
GB 2975-82 Sampling regulations for steel mechanical and process performance tests
GB 2975 - 82 Specification for Sampling and Testing of Mechanical and Process Properties of Steel GB 2975 - 82 is a national standard for sampling and testing of steel for selection and identification purposes. This standard covers the various methods for sampling and testing steel properties relat......
Ductile Iron Castings (Abstract) GB 1348-88
GB 1348-88 Alloyed Ball/Pearlitic Ductile Iron Castings
Chinas national standard, GB 1348-88, defines the requirements for alloyed ball/pearlitic ductile iron castings. Ductile iron is an iron-carbon alloy in which carbon is added along with manganese, nickel and silicon to the base iron. The gre......
Dimensions and allowable deviations of aluminum and aluminum alloy tubes GB 4436-84
GB 4436-84 Aluminum and Aluminum Alloy Tube Out-Of-Round Tolerances
GB 4436-84 is a China national standard concerning tolerances for out-of-roundness of aluminum and aluminum alloy tubes. This national standard applies to the design, manufacture, and acceptance of aluminum and aluminum alloy tub......
GB 712-2000 Structural steel for hull
GB 712-2000 Ship Structural Steel
GB 712-2000 is the Chinese classification society’s standard for ship structural steel. This standard defines the requirements and chemical and mechanical properties of the steel grades used in shipbuilding. It also contains test methods and metallurgical proces......
Sample representativeness
Mineral Sample Representativeness
The importance of mineral sample representativeness is often overlooked in exploration geology and mining. Presented in this paper is an in-depth review of the importance of mineral sample representativeness, its range of applications and the various methods for ......
Concentrator Sampling
Sampling of Mine Factory
Mining is an essential part of industry and development, and mines extract minerals and other resources from underground rocks and coal beds, which are essential raw materials for a variety of market processes. To ensure their quality and safety, it is necessary for us to......
Flotation water quality
Floatation Selection Water Quality
Floatation selection is a method used to remove suspended solids, such as particles of clay, silt, organics, trace metals and other substances, from water. This is often done to ensure water quality is up to standards for potable water, wastewater treatment and ......
Sand mixer
The Mortar Mixer
A mortar mixer is an essential piece of equipment found in construction sites, classrooms and research labs. It is used to consistently combine materials, whether they be powders, solids or liquids, to create a paste-like consistency. The mortar is then used for sealing, gluing,......
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