Search results for keyword: supplementary
GB/T 9788-1988 Dimensions, shape, weight and allowable deviation of hot-rolled unequal angle steel
GB/T 9788-1988 Hot Rolled Unequal Angles: Dimensions, Shape, Mass and Permissible Deviations
This standard applies to hot rolled unequal angles for use in structural engineering.
The size tolerance for dimensions such as width (tolerance for the range of ± 0.4 to ± 5 mm) and length shall be i......
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GB 12249-89 Steam trap sign
Steam Traps Symbols
Steam traps are components of plumbing systems designed to use steam energy to control the flow of liquids. In industrial settings, steam traps are important for controlling the release of condensate, water, and other liquids. A steam trap symbol is a visual identification mar......
Aluminum alloy casting technical conditions GB 9438-88
GB 9438-1988 Steel and Aluminum Casting Technical Specifications
This standard specifies the types, grades, requirements, tests, inspection and acceptance rules, packing, marking and quality certificate of steel and aluminum castings. The standard applies to ferrous castings, non-ferrous castings......
Silicon calcium barium aluminum alloy (YB/T067-1995)
Abstract:
In this article YB/T067-1995 “Silicon-Calcium-Barium-Aluminium Alloy” standard is studied and the content is systematically introduced. This article starts with an analysis and overview of the standard, including the related tests and requirements of the standard, followed by a detail......
Brief introduction to the representation method of metal material grades of the International Organization for Standardization (ISO)
International Organization for Standardization (ISO) Metal Material Numbering System Introduction
The International Organization for Standardization (ISO) is a global platform that develops and publishes International Standards. ISO sets out international, non-proprietary numerical codes on a var......
my country's steel grade representation method
Steel Numbering System in China
In China, identifying the different types of steel products is done through designations and numbering systems. Steel designation and numbering systems facilitate the classification of steel types, and are thus important in helping to ensure proper use of steel in ......
Marine anchor chain round steel (YB/T66-1987)
Introduction
Anchor chains are used to connect the anchors on boats. Anchor chains are crucial components of any marine mooring system and may be subject to large dynamic loads due to vessel motion and anchor drag. In order to ensure safe and effective operation, anchor chains must meet certain p......
Aluminum and aluminum alloy hot extrusion profiles GBn 222-84
GB/T 222-1984
Aluminum and Aluminum Alloy Extruded Profiles
1 Scope
This standard specifies the technical requirements and test methods for aluminum and aluminum alloy extruded profiles which are produced from aluminum and aluminum alloy billets by cold or hot extrusion.
2 Normative References......
GB/T 3414-1994 Hot-rolled special-shaped steel for coal machinery
GB/T 3414-1994 Hot-rolled special steels for coal mining machinery
This Standard specifies requirements, test methods, inspection rules, packaging, marking and quality certificate for the hot-rolled special steel used for coal mining machinery. This Standard applies to hot-rolled special steel of......
GB 712-2000 Structural steel for hull
GB 712-2000 Ship Structural Steel
GB 712-2000 is the Chinese classification society’s standard for ship structural steel. This standard defines the requirements and chemical and mechanical properties of the steel grades used in shipbuilding. It also contains test methods and metallurgical proces......
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