Guyana National Bureau of Standards |  Portal 

    Standards

    Seamless and welded steel tubes for pressure purposes - Ultrasonic testing of tube ends for the detection of laminar imperfections
    Non-destructive testing of steel tubes - Part 8: Automated ultrasonic testing of seamless and welded steel tubes for the detection of laminar imperfections
    Welds - Working positions - Definitions of angles of Slope and rotation
    Welding and allied processes — Welding positions
    Specification for grades of fresh agricultural produce -Tomatoes
    Resistance welding — Materials for electrodes and ancillary equipment
    Welding – Materials for resistance welding electrodes and ancillary equipment
    Tungsten electrodes for inert gas shielded arc welding, and for plasma cutting and welding - Codification
    Arc welding and cutting — Nonconsumable tungsten electrodes — Classification
    Equipment used in gas welding, cutting and allied processes - Safety devices for fuel gases and oxygen or compressed air – General specifications, requirements and tests