Report - POST-TENSIONING...prEN 10138-3 2 Nominal tensile strength mm inch N/mm2 15.3 0.6 Y1770S7 1 770 15.3 0.6 Y1860S7 1 860 15.7 0.62 Y1770S7 1 770 15.7 0.62 Y1860S7 1 860 NOTE 1 N/mm2 =

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