BAUMANN-STEINRUCK CONCRETE-CUM-BRINELL METAL
HARDNESS
It is based on Baumann - Steinruck
principle with a 5 mm Brinell indentor for hard metals( Upto
550 BHN ), 10mm indentor for cement concrete and very soft
metals, complete with conversion tables, MAC - 30 mircoscope
and indentor. Conforming to DIN 4240.
