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Construction project supervision specification (GB50319-2000)
Chinese Construction Project Supervision Standard (GB50319-2000)
China has experienced a dramatic shift in its labor force and economy in the last few decades. This shift has necessitated the adoption of stricter and more comprehensive regulations, standards, and guidelines for China’s construc......
1084 
Oliver
Weldability Test Method for Maximum Hardness of Welding Heat-Affected Zone GB 4675.5-84
Abstract
Weldability testing is an essential part of welding process in the manufacture of structural components to ensure the reliability and durability of the weldments. The highest hardness test method (GB 4675.5-84) is one of the welding performance tests, by which the maximum hardness of the......
GB 12249-89 Steam trap sign
Steam Traps Symbols
Steam traps are components of plumbing systems designed to use steam energy to control the flow of liquids. In industrial settings, steam traps are important for controlling the release of condensate, water, and other liquids. A steam trap symbol is a visual identification mar......
GB1158-89 needle valve type oiling cup
GB1158-89 Needle Valve Injection Cup
In order to improve the working performance of diesel engines, GB1158-89 needle valve injection cup is specially designed to provide precise fuel injection and injection timing control with the help of a needle valve. This product has great performance in oil ......
Russian and European steel scrap standards
，标题为：Russia and European Scrap Steel Standards
Introduction
Scrap steel is an important resource in the industrial world today. It is used not only to make steel products, but also to manufacture parts and components for various machinery, vehicles, and tools. Steel scrap comprises a wide var......
Chemical Composition of Aluminum and Aluminum Alloy Processed Products GB 3190–82
GB 3190–82 is the standard for chemical compositional requirements for aluminum and aluminum alloy processing products. It sets forth the minimum and maximum allowable nitrogen, carbon, silicon, manganese, magnesium, zinc, aluminum, phosphorus and other key elements, as well as their impacts on p......
Heat-resistant steel (YB/T 036.3-92)
：
Heat-Resistant Steel (YB/T 036.3-92)
Heat-resistant steel is used in many industries, including the nuclear power, aerospace, military, and automotive industries. Silicon steel is a common type of heat-resistant steel, and it uses its high content of silicon to gain its superior heat resistance. ......
Cold-rolled steel plates and strips (GB/T 708-1988)
Introduction
Cold rolled steel sheets and strips are steel products produced from hot rolled steel sheets or strips through a number of cooling, annealing and/or cold rolling processes. Cold rolled steel sheets and strips are an important material used in many industries because of their high str......
18Cr2Ni4W use
： 18Cr2Ni4W steel is widely used in many fields due to its excellent properties. With high strength, wear-resistance, fatigue resistance, corrosion resistance, and other features, 18Cr2Ni4W steel has been widely used in many industries such as shipbuilding, aerospace, electrical machinery, papermak......
00Cr27Mo use
Cr27Mo is a martensitic stainless steel containing Cr, Mo and other alloying elements. It has high hardness, wear resistance and corrosion resistance. It is mainly used for wear-resistant parts of valves, pumps, high-temp and high pressure nuclear power plants, and cog wheels for high-speed machin......
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