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Ultrasonic testing methods for steel forgings GB/T 6402-9l
Ultrasonic Testing of Forged Steel Products
Introduction
Ultrasonic testing (UT) is a non-destructive inspection method used to locate and identify discontinuities in forged steel products. In UT, sound waves are used to detect hidden defects in the material and provide a detailed cross-section ......
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Materials, design and construction standards for steel structures
Steel Structure Material, Design and Construction Standards
Introduction
The steel structure is a structure made of steel material, which is composed of steel beams, steel columns, steel trusses, and other components made of steel and steel plates. The steel structure can bear a certain amount o......
Construction and acceptance standards for welding engineering of steel structure and steel components
Welded Structural Steel Components Construction and Acceptance Standard
In order to standardize the construction and acceptance of welded structural steel components, ensure the quality of construction and acceptance, and reduce the cost of maintenance, this standard is formulated in accordance w......
High weather resistance structural steel GB 4171–84
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Introduction
High-strength structures steel, also known as weathering steel, is a type of alloy steel that is specially designed to resist corrosion in extreme environmental conditions. It is commonly used in the construction of bridges, buildings, and other structures exposed to harsh cl......
Hot rolled flat steel (GB 704–88)
Hot rolled flat steels (GB 704-88)
Hot rolled flat steel is one of the most common and widely used steel products, with applications in a wide variety of industries and applications including automotive components, construction, and shipbuilding. Hot rolled flat steel is produced in accordance wi......
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......
Steel pipe steel grades for mechanical structures in Japan
Japanese Mechanical Structure Seamless Steel Pipes
The creation of seamless steel pipes has enabled the modern scientific and industrial revolutions to progress. The exact origins of these amazing tools and the people who first discovered them have been lost to the annals of history, but the fact......
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......
GB 12801-91 General Principles of Safety and Sanitation Requirements for Production Process
12801-91 Production Process Safety and Health Requirements General Provisions
This standard specifies the requirements and regulations of the production process safety and health in order to prevent and reduce occupational accidents, injuries and diseases. The objective of this standard is to ens......
JGJ81-2002 Welding Technical Regulations for Architectural Steel Structures (Part 12)
JGJ81-2002 Building Steel Structure Welding Technology Specification (Twelfth)
Welding technology specification of the building steel structure (JGJ81-2002) is an important specification of the construction industry. It is applicable to the welding of steel structure. Its object is to set the lim......
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