A gage consisting of a dial gage and a stylus which protrudes from the base of the gage into the valleys of a blasted steel surface. The extent of protrusion provides a measure of the profile. Its use is described in ASTM D 4417
A gage consisting of a dial gage and a stylus which protrudes from the base of the gage into the valleys of a blasted steel surface. The extent of protrusion provides a measure of the profile. Its use is described in ASTM D 4417