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  2. Corrugated galvanised iron - Wikipedia

    en.wikipedia.org/wiki/Corrugated_galvanised_iron

    Corrugated galvanised iron (CGI) or steel, colloquially corrugated iron (near universal), wriggly tin (taken from UK military slang), pailing (in Caribbean English), corrugated sheet metal (in North America), zinc (in Cyprus and Nigeria) or custom orb / corro sheet (Australia), is a building material composed of sheets of hot-dip galvanised ...

  3. Engineering drawing abbreviations and symbols - Wikipedia

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

    1. Center line, the central axis of a feature. 2. Class, for example, "paint per spec XYZ revision C type 1 class 2" may be abbreviated as "paint per spec XYZ REV C TY 1 CL 2" or even in some cases "paint per spec XYZ-C-1-2". (The latter practice is not uncommon but is cryptic for workers with minimal training and experience. The first two ...

  4. Voith Gravita - Wikipedia

    en.wikipedia.org/wiki/Voith_Gravita

    10BB and 15BB type locomotives were initially offered via lease from Ox-Traction; [10] [14] the company ceased trading in August 2010. [15] Swiss companies Stahl Gerlafingen and Panlog AG took delivery of their Gravita 10BB locomotives in March 2010. Stahl Gerlafingen operates 2 locos, Panlog AG 3 locos. [16]

  5. Structural steel - Wikipedia

    en.wikipedia.org/wiki/Structural_steel

    EN10219-1 specifies the technical delivery conditions for cold formed welded structural hollow sections of circular, square or rectangular forms and applies to structural hollow sections formed cold without subsequent heat treatment. Requirements for S275JOH pipe tolerances, dimensions and sectional s275 pipe properties are contained in EN 10219-2.

  6. Angle iron - Wikipedia

    en.wikipedia.org/?title=Angle_iron&redirect=no

    This page was last edited on 30 June 2012, at 11:33 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...

  7. Bar stock - Wikipedia

    en.wikipedia.org/wiki/Bar_stock

    A bar is characterised by an "enclosed invariant convex cross-section", meaning that pipes, angle stock and objects with varying diameter are not considered bar stock. Bar stock is commonly processed by a sequence of sawing , turning , milling , drilling and grinding to produce a final product, often vastly different from the original stock.

  8. Structural shape rolling - Wikipedia

    en.wikipedia.org/wiki/Structural_shape_rolling

    Cross-sections of continuously rolled structural shapes, showing the change induced by each rolling mill. Structural shape rolling, also known as shape rolling and profile rolling, [1] is the rolling and roll forming of structural shapes by passing them through a rolling mill to bend or deform the workpiece to a desired shape while maintaining a constant cross-section.

  9. Angle Ring - Wikipedia

    en.wikipedia.org/wiki/Angle_Ring

    An Angle ring is a companion flange which is made out of angle iron. Angle Iron is rolled into a complete ring and the joint on the ring is welded to make the ring one solid piece. Usually angle rings have holes punched in the outer leg so they can bolt up to another ring or a fitting such as an elbow, an expansion joint or a fan or blower.