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Alloy structural steel (GB 3077-88) (7)
Alloy structural steel (GB 3077-88) (VII)
Alloy structural steel (GB 3077-88) (VII) refers to steel alloys which are widely used in engineering and construction applications such as automobiles, bridges and buildings. These alloys consist of iron, carbon and other alloying elements such as nickel......
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Civil Building Reliability Appraisal Standard (GB50292-1999)
1 Introduction
The purpose of this standard is to provide standard parameters for evaluating the reliability of civilian buildings. This standard is designed to enable authorities to identify and validate structures that are safe and reliable.
2 Scope of Application
This standard is applicable ......
Heat-resistant steel castings (abstract) GB 8492-87
Heat-resistant steels are widely used for casting of components for many industries such as the oil and gas, petrochemical and power generation. The properties of these steels provide them with good thermal and oxidation resistance to high temperature environments, coupled with good strength and h......
Agricultural composite steel (YB/T5003-1993)
Introduction
Farm use composite steel is a type of boneless steel. It is made of composite steel tube, cylindrical steel and flat steel. In 1993, the Ministry of Agriculture issued the national standard YB /T5003-1993 for farm use composite steel, which stipulated the production technology, size,......
Metal material laboratory uniform corrosion full immersion test method GB 10124-88
The Uniform Immersion Corrosion Test Method for Metal Materials in the Laboratory
The Uniform Immersion Corrosion Test Method for Metal Materials in the Laboratory is the most commonly used test method to investigate the corrosion resistance of metal materials. It is performed according to the pr......
Constant elastic alloys 3J53 and 3J58 for frequency components (YB/T5254-1993)
， 题目：A comparative study of two shape memory alloy materials -3J53 and 3J58（YB/T5254-1993）
Shape Memory Alloy (SMA) is a recent technology that has significant potential for use in the next generation of smart materials. This technology has been steadily gaining traction due to its remarkabl......
Metal Tensile Test Specimen GB 6397-86
Metal Tensile Test Sample: GB 6397-86
Tensile testing is an important part of understanding a material’s properties, such as its ability to be formed, hardened and welded. This article focuses on the use of GB 6397-86, a standard metal tensile test sample designed to evaluate mechanical properti......
Metal Charpy (U-notch) impact test method GB229-84
Metal Charpy (U-notched) Impact Test Method
The Charpy impact test, also known as the Charpy V-notch test, is a type of fracture testing methodology. It is used to determine impact fracture strength of particular metals. The Charpy U-notch test method, as specified in GB229–84, is intended to pr......
Stalk chopping and returning machine jb51235-1999
Introduction
The jb51235-1999 is a tractor-mounted stalk cutter that is often used in the tilling of fields. This machine consists of a frame, a rotary cutter, an engine, and a transport wheel. The frame consists of a heavy-duty steel frame and provides a stable platform for the machine when it i......
Japan Scrap Iron and Steel Classification Standard
Classification Standards for Japans Scrap Iron and Steel
Scrap iron and steel are by-products of a variety of industrial activities. In Japan, scrap iron and steel is classified according to its source. The classification system for scrap iron and steel has been developed by the Ministry of Econ......
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