LABORATORY TESTS

Testing areas (15)
Reference Designation/Description Accredited
assay
Reference
standards
Product/
Material
Comments
ACO.05 Determination of mass per linear meter of steel prestressing bars LNEC E 459 Steel rods for prestressing
ACO.06 Determination of the cross-sectional area of steel wires and strands for prestressing LNEC E 452, LNEC E 453 Steel wires and strands for prestressing
ACO.10 Tensile test of steel wires, cords and rods for prestressing ISO 15630-3:2010 (Section 5), ISO 6892-1:2016 Steel wires and strands for prestressing
ACO.16 Determination of the straightness of steel wires, cords and rods for prestressing EN ISO 15630-3 (ponto 13.3.4) Fios, cordões e varões de aço para pré-esforço
ACO.18 Relaxation tests ISO 15630-3:2010 (Section 8) Steel wires and strands for prestressing
ACO.18.01 Steel wire and strand for prestressing relaxation test (120h)
ACO.18.02 Steel wire and strand for prestressing relaxation test (1000h)
ACO.19 Deflected tensile test ISO 15630-3:2010 (Section 11) Steel wires and strands for prestressing
ACO.20 Axial tensile strength fatigue test ISO 15630-3:2010 (Section 9) Steel wires and strands for prestressing