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......
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......
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......
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......
Abstract
This article introduces the detection of eddy current of cold-drawn thin-wall tube material made of aluminum and aluminum alloy according to the national standard GB 5126-85. This method of eddy current testing is a reliable, high-efficiency nondestructive testing technology, which is wi......
Regulation on the Safety Management of Hazardous Chemicals
Introduction
The safety management of hazardous chemicals is a matter of great importance to the public’s health and safety. It is essential that hazardous chemicals are properly handled, stored, and disposed of in order to ensure the s......
Abstract
This article introduces the technology of steel bars in pre-stressed concrete. It consists in three parts. The first part introduces the characteristics of steel bars in pre-stressed concrete, namely, the tensile strength, elastic modulus and so on. The second part gives the structure of......
Abstract
Industrial casting steel parts are used in many fields of engineering and they are often subjected to many types of forces that could cause damage to the parts. To ensure these parts are durable and can withstand heavy loads, it is important to check them through penetration testing and d......
Iron Cast Boiler Technology Conditions
Iron Cast boilers are a popular choice for many home and commercial applications due to their robust construction and ability to resist corrosion. Cast iron boilers are used in many industrial applications such as food and beverage manufacturing, oil product......
Standardization
Standardization involves creating standards that help individuals agree on a common set of rules and measurements when sending and receiving data, documents, and goods. Standardization reduces inconsistencies in the way that these things are expressed and communicated. It also hel......