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Search results for keyword: hardness
Heat-resistant iron castings (abstract) GB 9437-88
Abstract Heat-resistant cast iron, also known as heat resistant cast iron or heat resistant alloy cast iron, is a kind of cast iron material with strong heat resistance and high strength at high temperature. Its basic components are 2.5%-4.5% carbon and 11%-30% chromium, and some other impurities......
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,......
Alloy structural steel bars for steam turbine bolts (YB/T158-1999)
Turbine bolt alloy steel bar (YB/T158-1999) Introduction Turbine bolt alloy steel bar, also known as turbine rotor head bolt steel bar, is an important material widely used in the power industry. It is mainly used as a connecting bolt in turbines, generators and other high-speed and heavy-duty ro......
tags: steel bar bolt turbine steel bar
1066
Liam
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......
tags: test sample tensile testing tensile gb
1067
Liam
Hot rolled flat steel (GB 704–88)
Hot rolled flat steels (GB 704-88) Hot rolled flat steel is one of the most common and widely used steel products, with applications in a wide variety of industries and applications including automotive components, construction, and shipbuilding. Hot rolled flat steel is produced in accordance wi......
tags: steel rolled hot steel flat hot
1106
Jasmine
Hot-rolled rings (YB/T4068-1991)
,引用的次数不低于5次 Hot Rolling Rings (YB/T4068-1991) Hot rolling is a metallurgical process used to transform metal alloys in order to increase strength and reduce material costs. The process is often used to produce metal or alloy rings, specially-shaped components, or gears. Hot rolling rings ......
tags: rolling hot rings hot rolling rings
1076
Sophie
Malleable Iron Castings (Abstract) GB 9440-88
GB 9440-88 is a national standard issued by the Ministry of Industry and Information Technology of the Peoples Republic of China. It specifies technical requirements, test methods and inspection rules, conditions of supply and acceptance, and packaging, marking and quality certificate of cast iron......
tags: cast iron quality iron castings standard
1057
Sophia
JGJ81-2002 Construction Steel Structure Welding Technical Regulations (Part 8)
Welding technology regulations of building steel structures according to JGJ81-2002(part 8) Welding of steel structures is an important part of the construction technology of steel structures. In steel structure construction, welding is used to connect steel members, building components and addit......
tags: welding steel structures groove shall welding
1061
Sophie
JGJ81-2002 Construction steel structure welding technical specification (thirty-four)
解析 Introduction JGJ81-2002 is a set of national standard, which regulates the welding technology process of Building Steel Structure. It also outlines the basic requirements for welding procedures and the specific welding requirements for steel structure construction buildings. Welding Process ......
Ferrochrome nitride (YB/T5140-1993)
: Chromium nitride iron, also known as compound ferritic nitride (Cr + Fe3N), is a high-performance, wear-resistant material developed in the late 20th century. Its wear-resistant performance is about three times higher than that of a high-speed steel cutting tool, and its mechanical properties a......
tags: nitride chromium iron chromium iron nitride
1064
Sophia
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