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JGJ81-2002 Construction Steel Structure Welding Technical Regulations (Part 15)
Welding of steel structures is a major factor in the construction of buildings and most other structures. This article will outline the key points of JGJ81-2002 standard for Architectural Steel Structures Welding Technology.
The JGJ 81-2002 standard is based on the needs of various types of struc......
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JGJ81-2002 Construction steel structure welding technical specification (fourth)
National Technical Specifications for Steel Building Co welding of JGJ81-2002
In 2002, the National Technical Specifications for Steel Building Co welding (JGJ81-2002) was introduced for the construction industry. This document embodies a set of rules and norms that are intended to standardize an......
Composite steel plate ultrasonic flaw detection method GB 7734-87
Ultrasonic testing is a form of non-destructive testing that utilizes the principle of ultrasound, which is the vibration of sound waves greater than the human ear can detect, to detect flaws in a material. It’s one of the most common testing methods used to inspect steel plates, and can be appli......
Alloy structural steel (GB 3077-88) (8)
Alloy Structural Steel (GB 3077-88)
Alloy structural steel is a kind of steel which is used for making steel parts and components. Alloy structural steel is defined as a kind of steel combining the properties of carbon steel and alloy steel. The characteristics of alloy structural steel are its h......
C22E use
Air travel is the most convenient and fastest way to travel from one city to another. It can take just a few hours to fly from one side of the world to the other, which is far less than the journey of weeks or months by land or ship. This is why air travel has become so popular in the past few dec......
Steel grades for Russian railways
The Russian Railways use a variety of steel grades for its railway lines. Amongst these, the most popular is a special grade of steel known as 2500. With excellent fatigue resistance and welding properties, as well as being able to be formed into various shapes, this steel is perfectly suited for ......
Grades and chemical compositions of seamless steel pipes for high-pressure fertilizer equipment (GB 6479-2000)
High pressure fertilizer (HPF) equipment is a type of fertilizer equipment used to produce fertilizer with a high concentration of nitrogen, phosphorus, and potassium. It is widely used in agricultural and horticultural production. In order to ensure the quality of the HPF equipment and its effici......
European spring steel steel grade
Definition:
Spring steel is a name given to a wide range of steels used in the manufacture of springs, prominently in automotive and industrial suspension applications. These steels are generally low-alloy, medium-carbon steel or high-carbon steel with a very high yield strength.
History:
The use......
European Reinforcement Steel No.
Europe Steel Grading System
Steel is a key material in numerous industries throughout the world, ranging from energy generation and construction to automotive and consumer goods. This makes it imperative for professional engineers, technicians, fabricators and welders to know the grades of steel ......
European Welding Wire Steel No.
Welding of European steel wires
Steel wires are widely used in the global construction and engineering industry, as well as for other activities, such as corrosion protection, the manufacture of artworks, and so on. The advent of science and technology has opened up the field of welding steel wir......
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