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The SAE steel grades system is a standard alloy numbering system (SAE J1086 – Numbering Metals and Alloys) for steel grades maintained by SAE International . In the 1930s and 1940s, the American Iron and Steel Institute (AISI) and SAE were both involved in efforts to standardize such a numbering system for steels.
The unified numbering system ( UNS) is an alloy designation system widely accepted in North America. Each UNS number relates to a specific metal or alloy and defines its specific chemical composition, or in some cases a specific mechanical or physical property. A UNS number alone does not constitute a full material specification because it ...
The inclusion of a letter 'G' before the code indicates the steel is specified in the form of a casting. Category 1 : steel specified by purpose of use and mechanical properties [ edit ] Basic grade designations for category 1 steels consist of a single letter (designating application) then a number signifying the mechanical property (often ...
Recycling codes on products. Recycling codes are used to identify the materials out of which the item is made, to facilitate easier recycling process.The presence on an item of a recycling code, a chasing arrows logo, or a resin code, is not an automatic indicator that a material is recyclable; it is an explanation of what the item is made of.
The following is a partial list specific to welding: Standard Number. Description. AS/NZS 1554.1. Structural steel welding - Welding of steel structures. AS/NZS 1554.2. Structural steel welding - Stud welding (steel studs to steel) AS/NZS 1554.3. Structural steel welding - Welding of reinforcing steel.
The present Japanese Standards Association was established in 1946, a year after Japan's defeat in World War II. The Japanese Industrial Standards Committee regulations were promulgated in 1946, and new standards were formed. The Industrial Standardization Law was enacted in 1949, which forms the legal foundation for the present Japanese ...
Heat number. An example of a heat number on a plate. A heat number is an identification coupon number that is stamped on a material plate after it is removed from the ladle and rolled at a steel mill. Industry quality standards require materials to be tested at the manufacturer and the results of these tests be submitted through a report, also ...
Hazardous Materials Identification System. The Hazardous Materials Identification System ( HMIS) is a numerical hazard rating that incorporates the use of labels with color developed by the American Coatings Association as a compliance aid for the OSHA Hazard Communication (HazCom) Standard. [1] [2]