Drying up your damp crawlspace with crawlspace encapsulation is the first step towards a clean and healthy environment ready for living, storage, and play. Waters Basement Services can turn your musty, humid, wet crawspace into a bright order-free space.
The Rockwell hardness test is the most used and versatile of the hardness tests. For soft materials such as copper alloys, soft steel, and aluminum alloys a 1/16 diameter steel ball is used with a 100-kilogram load and the hardness is read on the B scale.
The Brinell hardness number is expressed as ratio of load and area of indentation. The Rockwell hardness is based on difference of indentation depth of indenter from two different load applications. First minor load is applied to achieve zero level then major load is applied for specific period. Major load creates additional penetration from zero level.