Guyana National Bureau of Standards |  Portal 

    Standards

    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
    Non-destructive testing of steel tubes — Automated ultrasonic testing of seamless and welded (except submerged arc-welded) steel tubes for verification of hydraulic leak-tightness
    Seamless and hot-stretch-reduced welded steel tubes for pressure purposes – Full peripheral ultrasonic thickness testing
    Non-destructive testing of steel tubes — Part 12: Automated full peripheral ultrasonic thickness testing of seamless and welded (except submerged arc- welded) steel tubes AMENDMENT 1: Change of acceptance criteria
    Steel tubes for pressure purposes – Qualification and certification of non-destructive testing (NDT) personnel
    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
    Non-destructive testing of steel tubes - Part 8: Automated ultrasonic testing of seamless and welded steel tubes for the detection of laminar imperfections
    Specification for grades of fresh agricultural produce -Tomatoes