The Rockwell hardness tester to measure the hardness of metal measures resistance to penetration like the Brinell test, but in the Rockwell case, the depth of the impression is measured rather than the diametric area. With the Rockwell tester, the hardness is indicated directly on the scale attached to the machine.
(Redirected from Apache Nation) The Apache (/ÉËpÃ¦tÊiË/; French: [a.paÊ]) are culturally related Native American tribes from the Southwestern United States, and have traditionally lived in Eastern Arizona, Northern Mexico (Sonora and Chihuahua), New Mexico, West Texas, and Southern Colorado.
Welcome to Apache Junction Marker. Apache Junction is a city in Maricopa and Pinal counties in the state of Arizona. According to the 2010 census, the population of the city was 35,840, most of whom lived in Pinal County. Apache Junction is named for the junction of the Apache Trail and U.S. Route 60. Superstition Mountain, the westernmost peak of the Superstition Mountains, is nearby.