Guyana National Bureau of Standards |  Portal 

    Standards

    Filler metal for soft soldering, brazing and braze welding - Designation
    Filler metal for brazing - Designation
    Steel castings – Penetrant inspection
    Railway rolling stock material – Ultrasonic acceptance testing
    Aluminium alloy castings – Radiography testing
    Aluminium alloy and magnesium alloy castings - Liquid penetrant inspection
    Aluminium alloy castings-Visual method for assessing the porosity
    Chain slings assembled by methods other than welding - grade T (8)
    Slings
    Hooks
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