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JGJ81-2002 Welding Technical Regulations for Architectural Steel Structures (Part 18)
Welding Technology Regulation (18) on Steel Structures in BuildingsJGJ81-2002
The article originates from the national industrial production standard (JGJ81-2002) for the construction of steel structures. It is about the welding technology regulation of the steel structures.
The article consis......
1062 
Mason
JGJ81-2002 Construction Steel Structure Welding Technical Regulations (Part 11)
Welding technology regulations for architectural steel structures (No.11)
Welding technology regulations for architectural steel structures are established in order to ensure the safety and reliability of steel structure products and their welding performance, and to guarantee their long-term saf......
Ultrasonic flaw detection method for titanium and titanium alloy processed products GB 5193-85
： Ultrasonic Testing of Titanium and Titanium Alloy Processing ProductsThis standard specifies the method for the ultrasonic testing of titanium and titanium alloy processing products. The standard applies to the inspection of titanium and titanium alloy plates, strips, wires and forgings.1. Method......
Self-spraying oil recovery method
Self-Spray Oil Recovery Technology
Oil recovery technology is an important part of the oil and gas industry. With the development of the industry, more and more oil recovery technologies have been invented and put into practical use, such as self-spray oil recovery technology.
Self-spray oil rec......
Metal drill (GB/T3211-1987)
Metal drill (GB/T3211-1987)
Metal drills are tools which can be used to drill holes through metal surfaces. As metal is a more robust material than wood, it demands more specialized tools for drilling. Metal drill (GB/T3211-1987) is a certification standard of metal drill tools in China.
Metal ......
ISO9000 quality management and quality assurance series of international standards
ISO 9000 Quality Management and Quality Assurance Series International Standards
ISO 9000 is a family of quality management and quality assurance standards developed and published by the International Organization for Standardization (ISO). They are used primarily to certify an organization’s ca......
34CrAlMo5 use
34CrAlMo5 is a medium carbon alloy steel of the 34CrAlMo family. It is a special steel grade used predominantly in the aircraft and aerospace industries. 34CrAlMo5 can be used for components requiring high strength levels such as blades, rotors, gears and shafts operating at high temperatures. It ......
55Si7/56Si7 application
55Si7/56Si7 Steel
55Si7 and 56Si7 are both silicon spring steel grades that feature high elasticity and toughness. Due to their composition, they are well suited to the production of springs and durable wireforms while also standing up to high mechanical strength and high-temperature stress.
Cha......
60S20 use
Foraged From the Forest: The Incredible Uses of Morus alba
The Morus alba, commonly known as the white mulberry tree, is a deciduous species native to parts of China and the Himalayan region. It is a relative of the common black mulberry and is used for centuries as a natural source of food and me......
C25E use
Flexible Electronics: The Role of Organic Field-Effect Transistors
Organic Field-Effect Transistors (OFETs) are emerging as promising candidates to realize ultimate flexible and stretchable electronics. Organic materials have the advantage of low cost and excellent compatibility with multiple sub......
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