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  2. Testing and inspection of diving cylinders - Wikipedia

    en.wikipedia.org/wiki/Testing_and_inspection_of...

    If the cylinder is repainted or plastic coated, the temperature must not exceed 300 °C for steel cylinders, [40] or the temperature specified by the manufacturer for aluminium cylinders. [19] Before fitting the valve the thread type must be checked to ensure that a valve with matching thread specification is fitted. [41]

  3. Gas cylinder - Wikipedia

    en.wikipedia.org/wiki/Gas_cylinder

    ISO 9809-3: Gas Cylinders–Refillable Seamless Steel Gas Cylinders–Design, Construction and Testing–Part 3: Normalized Steel Cylinders; EN ISO 11120 – Gas cylinders. Refillable seamless steel tubes of water capacity between 150 l and 3000 l. Design, construction and testing (ISO 11120:2015) [33] EN 1975 – Transportable gas cylinders.

  4. A36 steel - Wikipedia

    en.wikipedia.org/wiki/A36_steel

    A36 steel has a Poisson's ratio of 0.26 and a shear modulus of 11,500 ksi (79.3 GPa). [7] A36 steel in plates, bars, and shapes with a thickness of less than 8 inches (203 millimeters) has a minimum yield strength of 36 ksi (250 MPa) and ultimate tensile strength of 58–80 ksi (400–550 MPa).

  5. Marking out - Wikipedia

    en.wikipedia.org/wiki/Marking_out

    Typical tools include: [2] Surface plate or marking out table — provides a true surface from which to work; Angle plates — assist in holding the workpiece perpendicular to the table; Scriber — is the equivalent of a pen or pencil. It literally scratches the metal surface leaving behind a fine, bright line

  6. Diving cylinder - Wikipedia

    en.wikipedia.org/wiki/Diving_cylinder

    The pressure vessel is a seamless cylinder normally made of cold-extruded aluminum or forged steel. [5] Filament wound composite cylinders are used in fire fighting breathing apparatus and oxygen first aid equipment because of their low weight, but are rarely used for diving, due to their high positive buoyancy.

  7. List of DIN standards - Wikipedia

    en.wikipedia.org/wiki/List_of_DIN_standards

    Steel structures – Part 1: Design and construction: Withdrawn: DIN EN 1993 DIN EN 1090: DIN 18800-2: Steel structures – Part 2: Analysis of safety against buckling of linear members and frames: Withdrawn: DIN EN 1993: DIN 18800-3: Steel structures – Part 3: Analysis of safety against buckling of plates: Withdrawn: DIN EN 1993: DIN 18800-4

  8. The 20 best gifts to give someone you don't know very well - AOL

    www.aol.com/lifestyle/the-best-gifts-to-give...

    Produced by Fly By Jing and made in Chengdu, the Sichuan Chili Crisp hot sauce stands out for its bold, spicy flavoring that falls just short of being unreasonably hot.

  9. DOT-111 tank car - Wikipedia

    en.wikipedia.org/wiki/DOT-111_tank_car

    A DOT-111 tank car, specification 111A100W1, constructed by fusion welding carbon steel.This car has a capacity of 30,110 US gallons (113,979 L; 25,071.8 imp gal), a test pressure of 100 psi (690 kPa), a tare weight of 65,000 pounds (29,500 kg) and a load limit of 198,000 pounds (89,800 kg).