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......
翻译
Alloy Structural Steel (GB3077-88)(Two)
合金结构钢(GB3077-88)(二)
1. Scope
1.范围
This standard specifies the hot rolled and forging alloy structural steel, used for mechanical structures and components.
本标准用于规定热轧和锻造的合金结构钢,用于机械结构和零件。
2. Normative Referenc......
Standard for Alloy Structural Steel Plates, Wires, Tubes and Forging Parts
This Standard defines relevant classification of alloy structural steel plates, wires, tubes and forging parts (hereinafter referred to as “structural steel”). The sizes and shapes of products are subject to the size and......
Introduction
High temperature alloy hot-rolled and forged barstock for ordinary bearings are widely used in aerospace, automotive and bearing industry due to their excellent performance in high temperature and wear resistance. In order to better develop and use it, YB/T 5245-1993 High Temperature ......