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Korean spring steel steel grade
Since the emergence of the Republic of Korea in the late 1940s, steel has become a major factor in the countrys economic development and prosperity. Koreas steel industry has long been one of the most important producers of raw materials and finished products in the world. In terms of production v......
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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......
Carbon steel welding rod GB 5117-85
GB 5117-85 Carbon Steel Welding Electrodes
Introduction
GB 5117-85 carbon steel welding electrodes are a set of welding electrodes used for welding carbon steel as well as for some low alloy steels and cast iron. This standard was created in 1985 and incorporates the same specifications from the......
Internal combustion engine valve steel (GB/T12773-1991)
Inner Combustion Engine Valve Steel (GB/T12773-1991)
Inner combustion engine valve steel, also known as valve steel, is a kind of steel specifically used for the production of valve components in internal combustion engines. The internal combustion engine uses a reciprocating piston as the power ......
European cast steel grade
European steel grades are available from the national standard organizations of European countries such as DIN in Germany, AFNOR and BSI in France, NF in Spain and ONORM in Austria.
European steel grade systems typically include a main designator, followed by either a sub-designator or a separate ......
GB 5777-86 Ultrasonic testing methods for seamless steel pipes
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Ultrasonic Testing for Seamless Steel Pipe
Ultrasonic testing (UT) has been routinely used for decades to provide qualitative and quantitative measurement for the integrity of various types of materials. By directing high frequency sound energy through a material, defects may be detected, locat......
Domestic ferrosilicon standard (GB2277-87)
（自己参考内容自行创作）
The national standard GB2277-87 Silicon Iron was formulated by the State Bureau of Quality and Technical Supervision (now the General Administration of Quality Supervision, Inspection and Quarantine) in October 1987 and promulgated on January 8, 1988. The implementation dat......
Cast iron roll (GB/T1504-1991)
Cast Iron Rolling Mill
Rolling mills are essential tools in metal processing, used to reduce the size of large pieces of metal by rolling them through a series of rollers. Cast iron rolling mills are one of the most common types of rolling mills used throughout the metalworking industry. These ro......
High-strength low-relaxation prestressed hot-dip galvanized steel strand (YB/T152-1999)
High Strength Low-Relaxation Hot-DIP Galvanized Steel Strand
High Strength Low-relaxation hot-dip galvanized steel strand is a kind of prestressed steel strand used for reinforcement of concrete structure. This type of steel strand has higher strength, better ductility and weldability, and better......
Wire rod for piano wire (YB/T5100-1993)
Abstract
This paper discussed the YB/T5100-1993 Piano Wire Strand, which is a type of steel strands used to make piano wires. The material of the piano wire strand is made from cold-drawn high-carbon steel wire, manufactured in accordance with the standard requirements of YB/T5100-1993. The parts......
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