CONTRASTE DE PIEZAS PATRON PARA LA VERIFICACION DE MAQUINAS DE DUREZA ROCKWELL
CALIBRATION OF STANDARDIZED BLOCKS TO BE USED FOR ROCKWELL HARDNESS SCALE TESTING MACHINES.
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77.040.10 / Mechanical testing of metals
CTN 7 - Testing of materials
ISO/R 1355:1970 (Non-equivalent)
ISO/R 674:1968 (Non-equivalent)
It is cancelled by: UNE-EN 10109-3:1995
This standard is available in:
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