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JGJ81-2002 Welding Technical Regulations for Architectural Steel Structures (Part 2)
Welding process is a method of joining two or more metal parts by using heat and pressure.Heat generated by electric arc, resistance or other process melts the two parts and fuses them together, and then applying pressure joins them together. Compared to other joining processes, welding is general......
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JGJ81-2002 Construction steel structure welding technical specification (thirty-four)
解析
Introduction
JGJ81-2002 is a set of national standard, which regulates the welding technology process of Building Steel Structure. It also outlines the basic requirements for welding procedures and the specific welding requirements for steel structure construction buildings.
Welding Process
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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......
Hot-rolled section steel for elevator guide rails (YB/T157-1999)
Hot Rolled Steel for Elevator Guide Rail
Steel is mainly used as a structural material in the manufacture of elevators, and hot rolled steel is one of the most commonly used materials. Hot rolled strip steel is required to conform to the quality and dimensions specified in national standards (YB......
Steel marking code (GB/T15575-1995)
Steel mark codes (GB/T15575-1995)
The steel mark code system (GB/T15575-1995), also known as “Steel Mark Identification and Classification” is a set of 22 characters that in China are used to identify and classify different steels. Each character has a corresponding meaning, and a specific orde......
Color marking of steel
Paint or coating color marking is an important part of steel marking and identification system.Steel is an important material used in the construction of bridges, buildings, machinery and many other products. Steel is produced in a variety of sizes and shapes and there is a great deal of variety t......
Aluminum and aluminum alloy welding rod GB 3669-83
GB 3669-83 Alloy aluminum welding rods
Introduction
GB 3669-83 is an international standard of alloy aluminum welding rods. This standard is issued in 1983 and identifies the requirements for alloy aluminum welding rods for fusion welding. It plays an important role in all kinds of activities re......
General Vibration Standards - Assessment Standards Based on Bearing Vibration Amplitude
General Vibration Standard - Evaluation Standard According to Bearing Vibration Amplitude
Introduction
The vibration of bearings is an important factor when considering the operational status of a mechanical system. In order to properly evaluate the performance of a bearing, the vibration emit......
American ferromolybdenum (ANSI/ASTM A123-74)
American Moly Iron (ANSI/ASTM A123-74)
American Moly Iron (ANSI/ASTM A123-74) is an alloy that is composed of a combination of iron and molybdenum. It is an extremely strong yet ductile material, which is preferred due to its superior resistance to corrosion and wear, as well as its high streng......
China's current heat treatment standards
Introduction
Heat treatment is a process used in the manufacturing of metal products and components for the purpose of changing their physical and sometimes chemical properties. Heat treatment is used in a wide range of industries, including automotive, aviation, electrical and medical manufactu......
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