Search results for keyword: aqs
Mechanical properties and technological properties of waste heat treated steel bars (GB 13014-1991)
Mechanical and Process Performance of Quenching and Tempering Steel Reinforcing Bars (GB 13014-1991)
Introduction
Quenching and tempering is a common process applied to steel reinforcing bars (rebars). This process is used to increase the mechanical and process performance of the bars. The purpo......
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Sophia
Plastic mold steel module (YB/T129-1997)
Introduction
This article will attempt to provide an overview of YB/T129-1997, a standard, or document, issued by the Chinese State General Administration of Quality Supervision, Inspection and Quarantine (aqsIQ) for plastic injection mould steel modules (PIPSMs). Specifically, the article will c......
Chemical composition of titanium and titanium alloy grades GB 3620-83
内容
Introduction
GB 3620-83 is a Chinese national standard regarding chemical compositions for titanium and titanium alloys. It is important standard for a further understanding of the chemical compositions of titanium and titanium alloys in China. The standard was issued by the General Administr......
Sealed wire rope (GB/T352-1988)
GB/T352-1988 Sealed Steel Wire Rope
The General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China (aqsIQ) has released the Standard GB/T352-1988 Sealed Steel Wire Rope. This standard is applicable to the steel wire ropes used on lifting machines o......
my country's plate (strip) material surface processing GB regulations
The Surface Treatment of Sheets and Strips in China
Introduction
Surface treatment of steel sheets and strips has been a popular area of research in the past decades, due to its wide range of applications in engineering and manufacturing. The surface treatments are for the purpose of improving ......
Sulfur dioxide flue gas treatment
Sulfur dioxide (SO2) is a toxic gas produced by burning coal and oil. It is one of the main pollutants in the atmosphere, and can cause serious health problems if inhaled in large amounts. In order to reduce the amount of SO2 in the atmosphere, nations around the world have enacted regulations and......
Particulate Contaminant Monitoring
Particulate matter (PM) is a major factor in air pollution, and it can cause significant adverse effects on human health. PM consists of a variety of particles with different sizes, compositions, and sources. Monitoring and controlling PM are essential to protecting human health. In this paper, we......
The latest standards for excavator construction machinery products
Introduction
Excavator is a kind of engineering machinery used for earthmoving, lifting and lifting operations. Generally, it consists of a walking device, an operating device, a work device and a robot. With the development of society and the advancement of technology, the excavator is playing a......
GB 5842-1996 Liquefied Petroleum Gas Cylinders (2)
Liquid Petroleum Gas Cylinder (2)
Liquid Petroleum Gas (LPG) cylinders are used in a variety of applications, including automotive and home heating systems, portable cooking devices, and fireplaces. LPG cylinders are made of durable steel to withstand pressure, however, they can be damaged and ar......
"Pressure Vessel Product Safety and Quality Supervision and Inspection Rules" and "Gas Cylinder Product Safety and Quality Supervision and Inspection Rules"
Pressure vessel product safety and quality supervision and inspection regulations and gas cylinder product safety and quality supervision and inspection regulations
1. Overview
Pressure vessels are known as the “third largest killer” in factories, next to electric power and machinery. Accident......
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