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  2. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    corrosion-resistant [steel] Largely synonymous with stainless steel, unless specific grades, specs, and distinctions are made on the drawing. Some people treat CRES as a subset of the stainless steels. CRS: cold rolled steel; on centres: Defines centre-to-centre distance of two features, such as two holes. C/T Correlation / Tracking C'BORE or ...

  3. List of welding codes - Wikipedia

    en.wikipedia.org/wiki/List_of_welding_codes

    Specification for welding of steel pipelines on land and offshore - Part 1: Carbon and carbon manganese steel pipelines BS 4515-2: Specification for welding of steel pipelines on land and offshore. Duplex stainless steel pipelines PD 6705-2: Structural use of steel and aluminium. Recommendations for the execution of steel bridges to BS EN 1090-2

  4. Steelmark - Wikipedia

    en.wikipedia.org/wiki/Steelmark

    The Steelmark is a logo representing steel and the steel industry owned by the American Iron and Steel Institute, and used by it to promote the product and its manufacturers. The logo was incorporated as the emblem of the Pittsburgh Steelers and Huachipato , the first initially using the same design as the Steelmark, but later modified to ...

  5. Speeds and feeds - Wikipedia

    en.wikipedia.org/wiki/Speeds_and_feeds

    Cutting speed may be defined as the rate at the workpiece surface, irrespective of the machining operation used. A cutting speed for mild steel of 100 ft/min is the same whether it is the speed of the cutter passing over the workpiece, such as in a turning operation, or the speed of the cutter moving past a workpiece, such as in a milling operation.

  6. Japanese Industrial Standards - Wikipedia

    en.wikipedia.org/wiki/Japanese_Industrial_Standards

    Download QR code; Print/export ... JIS symbol (adopted October 1, 2005). ... Cold-rolled stainless steel plate, sheet and strip; H

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Recycling codes - Wikipedia

    en.wikipedia.org/wiki/Recycling_codes

    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.

  9. Unified numbering system - Wikipedia

    en.wikipedia.org/wiki/Unified_numbering_system

    It consists of a prefix letter and five digits designating a material composition. For example, a prefix of S indicates stainless steel alloys, C indicates copper, brass, or bronze alloys, T indicates tool steels, and so on. The first 3 digits often match older 3-digit numbering systems, while the last 2 digits indicate more modern variations.