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National Development and Reform Commission approves several cemented carbide industry standards
Introduction
In recent years, China has actively advanced the standardization of the hard alloy industry in accordance with the overall principle of strengthening the work of industry standardization and promoting the transformation of industrial structure and quality. China National Development ......
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Weldability test T-joint welding crack test method GB 4675.3-84
Weldability test
The welding joints are an important part of most structures, which are used to make connections between sections or components of a structure, so the weldability of certain structures is an important factor in the overall performance and strength of the structure. It is, therefo......
Heat-resistant steel castings (abstract) GB 8492-87
Heat-resistant steels are widely used for casting of components for many industries such as the oil and gas, petrochemical and power generation. The properties of these steels provide them with good thermal and oxidation resistance to high temperature environments, coupled with good strength and h......
Heat-resistant iron castings (abstract) GB 9437-88
Abstract
Heat-resistant cast iron, also known as heat resistant cast iron or heat resistant alloy cast iron, is a kind of cast iron material with strong heat resistance and high strength at high temperature. Its basic components are 2.5%-4.5% carbon and 11%-30% chromium, and some other impurities......
Lead anode plate GB 1471-88
Lead Anode Plate
The lead anode plate is a metal plate made from lead or lead alloy which used for electrolytic industrial water treatment and electroplating. Lead anodes are widely used in water treatment because of the great corrosion resistance of lead in saltwater.
Lead anode plates can be u......
Metal bending test method GB232-88
The bending test of metal is a widely used test method in the field of metal shape and size control. It can be used to measure the load-bearing capacity, plastic deformation and springback of various metal materials. As an important detection method of metal materials, bending test has a certain i......
Japanese steel scrap classification standard (Jis G2401)
Japan Iron and Steel Scrap Classification Standard (JIS G2401)
Japan Iron and Steel Scrap Classification Standard (JIS G2401) was established to classify the scrap steel product used in iron and steel production. According to the standard, the scrap steel products should be divided into three main......
Malleable Iron Castings (Abstract) GB 9440-88
GB 9440-88 is a national standard issued by the Ministry of Industry and Information Technology of the Peoples Republic of China. It specifies technical requirements, test methods and inspection rules, conditions of supply and acceptance, and packaging, marking and quality certificate of cast iron......
GB 17926-1999 Compressed natural gas cylinder valves for vehicles
GB 17926-1999Road Vehicle Compressed Natural Gas Cylinder Valves
This standard applies to road vehicle compressed natural gas (CNG) cylinder valves (hereafter referred to as valves).These valves are used for the connection of CNG cylinder and the other components in CNG system.
The technical re......
JGJ81-2002 Construction Steel Structure Welding Technical Regulations (Part 8)
Welding technology regulations of building steel structures according to JGJ81-2002(part 8)
Welding of steel structures is an important part of the construction technology of steel structures. In steel structure construction, welding is used to connect steel members, building components and addit......
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