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Search results for keyword: 725
GB12358-90 General technical requirements for gas detection and alarm devices in the working environment
Technical Requirements of General Gas Detection Alarms in GB12358-90 Workplace Environment The main purpose of this technical requirement is to standardize the requirements of general gas detection alarms used in the workplace environment, to ensure the safety of staff and the safety of workplace......
tags: requirements product shall alarm gas device
1071
Sophie
Technical conditions for cold-formed steel (GB/T 6725-1992)
GB/T 6725-1992 Cold-bent steel technical conditions This general technical conditions for cold-bent steel GB/T 6725-1992 stipulates the order and technical requirements for the cold-bent of steel plates and narrow strips. This code is applicable to cold-bent steel plates with thickness of ≤1.5......
tags: coldbend steel force steel bending cold
1048
Simon
Chinese-English Comparison Table of German Standards, International Standards, and Chinese Standards
Germany Standard and International Standard, Chinese Standard English translation table Germany and the international community have established various standards as part of their efforts to maintain order and consistency across many fields. China, in particular, has also developed a number of st......
Stainless steel hot-rolled equilateral angle steel (abstract) GB 4227-84
GB 4227-84 Hot Rolled Stainless Steel Edge and Corner Profile Steel GB 4227-84 is a national standard for hot rolled stainless steel edge and corner profile steel. It was introduced by the State Bureau of Standard on October 31, 1984 to improve product quality and ensure the reliability of produc......
Model and technical parameters of universal cylindrical grinder
Universal Cylindrical Grinder A universal cylindrical grinder is a type of grinding machine designed for precision grinding of cylindrical or round parts. It is a versatile tool that can be used for a wide range of functions, including surface grinding and deburring. Universal cylindrical grinder......
History of Machinery in Ancient China (Part 2)
The History of Ancient Chinese Machinery (Middle Ages) The Middle Ages in Chinese history (589–960 AD) are known as the period of the Five Dynasties and Ten Kingdoms. During this era, the Chinese began to develop techniques for machine building and mechanical engineering that would later contrib......
GB 17258—1998 Compressed natural gas cylinders for automobiles
Introduction This article defines, explains and evaluates the requirements of the GB 17258-1998 standard for motor vehicle use of compressed natural gas cylinders. This standard was issued by the State Council of the Peoples Republic of China and was developed to provide a consistent and standar......
Brief history and classification of packaging machinery
Introduction Packaging machinery is used to package products and materials securely and efficiently. It has been used in various industries since the early 19th century, when the first of such machines came into use, and has seen many advances since then. Packaging machinery has been responsible ......
Forging Technology: Introduction to Heat Treatment of Nickel-based Superalloy Forgings
Nickel-based high temperature alloy forging parts, the heat treatment process introduction Nickel-based high-temperature alloy forging parts have high strength, good toughness and oxidation resistance, and are widely used in aviation, shipbuilding, petrochemical, nuclear power, turbine, pressure ......
manganese ore
Manganese Ore Manganese ore, an important source of ferromanganese, is the primary mineral for manganese. Manganese ore is found in many deposits, ranging in size from large deposits to small, scattered occurrences. It is mined in many countries, including India, Brazil, China, and South Africa. ......
tags: manganese ore used manganese ore many
1035
Sophia
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