Guyana National Bureau of Standards |  Portal 

    Standards

    Seamless and welded (except submerged arc-welded) steel tubes for pressure purposes - Eddy current testing for the detection of imperfections
    Electric resistance and induction welded steel tubes for pressure purposes - Ultrasonic testing of the weld seam for the detection of longitudinal imperfections
    Submerged arc-welded steel tubes for pressure purposes - Ultrasonic testing of the weld seam for the detection of longitudinal and/or transverse imperfections
    Seamless and welded (except submerged arc-welded) steel tubes for pressure purposes – Ultrasonic testing for verification of hydraulic leak-tightness
    Seamless and hot-stretch-reduced welded steel tubes for pressure purposes – Full peripheral ultrasonic thickness testing
    Steel tubes for pressure purposes – Qualification and certification of non-destructive testing (NDT) personnel
    Seamless and welded steel tubes for pressure purposes - Ultrasonic testing of tube ends for the detection of laminar imperfections
    Welds - Working positions - Definitions of angles of Slope and rotation
    Specification for grades of fresh agricultural produce -Tomatoes
    Welding – Materials for resistance welding electrodes and ancillary equipment