Search results for keyword: qs
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
GB 3838-88 Surface Water Environmental Quality Standard
GB 3838-88 Groundwater Environment Quality Standard
Introduction
The quality of groundwater is important for human activities, environment protection and ecological security. To ensure the quality of groundwater, the Environmental Protection Agency of China (EPA) established the Groundwater Env......
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......
German quenched and tempered steel
Germany, a country well known for its high material quality and its highly developed educational, industrial and scientific communities, has long been a leader in the development and production of high-quality steel. Alloy steel has been important to Germany since the 19th century and continues to......
Representation method of grades of iron and steel products (refer to GB/T221-2000)
Steel grade:
In general, the steel grade for steel products is expressed in accordance with GB/T221-2000 regulations. The grade expression is composed of four parts: one is the part of grade symbol, one is the part of main element grade of alloy steel or low alloy steel or the main element grade ......
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......
GB/T 8164-1993 steel strips for welded steel pipes
GB/T 8164-1993 Steel Strips for Welded Steel Pipes
This standard is applicable to the steel strips which are used for the manufacture of welded steel pipes.
1. Scope
This standard specifies the requirements for steel strips used for the manufacture of welded steel pipes.
2. Normative reference......
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 ......
Yichang Sheet Enterprise Standard - Continuous Cold Rolled Low Carbon Steel Sheet and Strip (1)
Yichang Yangtse Profit and Bright Thin Plate Enterprises Standard - Cold Connect Roll Low Carbon Plate and Strip (I)
Yichang Yangtse Profit and Bright Thin Plate Enterprises is committed to meeting the needs of our customers with the highest quality cold roll plate and strip products. We have a v......
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