LABORATORY TESTS

Testing areas (15)
Products (99)

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 15630-3:2019 (secção 5); ISO 6892-1:2019 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 Isothermal relaxation test ISO 15630-3:2019 (section 9) Steel wires and strands for prestressing 120 or 1000 hours.
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