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2. List of welding processes - Wikipedia

   en.wikipedia.org/wiki/List_of_welding_processes

   Induction welding: 74: IW Laser beam welding: 521 522: LBW Deep penetration, fast, high equipment cost Automotive industry Laser-hybrid welding: Combines LBW with GMAW in the same welding head, able to bridge gaps up to 2mm (between plates), previously not possible with LBW alone. Automotive, Shipbuilding, Steelwork industries Percussion ...

3. Wrought iron - Wikipedia

   en.wikipedia.org/wiki/Wrought_iron

   Wrought iron is an iron alloy with a very low carbon content (less than 0.05%) in contrast to that of cast iron (2.1% to 4.5%). It is a semi-fused mass of iron with fibrous slag inclusions (up to 2% by weight), which give it a wood-like "grain" that is visible when it is etched, rusted, or bent to failure.

4. List of welding codes - Wikipedia

   en.wikipedia.org/wiki/List_of_welding_codes

   Robotic arc welding system installation AWS D16.3: Robotic arc welding risk assessment AWS D16.4: Robotic arc welder operator qualification AWS D17.1: Aerospace fusion welding AWS D17.2: Aerospace resistance welding AWS D17.3: Aerospace friction stir welding (aluminum) AWS D18.1: Hygienic tube welding (stainless steel) AWS D18.2

5. Dominion Bridge Company - Wikipedia

   en.wikipedia.org/wiki/Dominion_Bridge_Company

   The Dominion Bridge Company, Limited was a Canadian steel bridge constructor originally based in Lachine, Quebec.From the core business of steel bridge component fabrication, the company diversified into related areas such as the fabrication of holding tanks for pulp mills and skyscraper framing.

6. Bluing (steel) - Wikipedia

   en.wikipedia.org/wiki/Bluing_(steel)

   It is named after the blue-black appearance of the resulting protective finish. Bluing involves an electrochemical conversion coating resulting from an oxidizing chemical reaction with iron on the surface selectively forming magnetite (Fe 3 O 4), the black oxide of iron. In comparison, rust, the red oxide of iron (Fe 2 O

7. Whipple Cast and Wrought Iron Bowstring Truss Bridge

   en.wikipedia.org/wiki/Whipple_Cast_and_Wrought...

   At the ends the verticals are four 2-inch (51 mm) rods. Rods 7 ⁄ 8 of an inch wide (21.2 mm) form the diagonals, double in each panel, [4] bracing the bridge against wind. [2] Latitudinal and longitudinal I-beams supported by the bottom chords provide a deck frame. They are trussed with two 7 ⁄ 8-inch wrought