Article Source:本站 Reading volume: 次 release time:2021-10-28
The Brinell hardness tester can be used to test castings, forgings, steel materials in supply, non-ferrous metals, and semi-finished steel workpieces that have undergone quenching and tempering heat treatment. This is a portable instrument that can be used in the workshop with the Brinell hardness tester. It is easy to operate and easy to carry. It can test large workpieces on-site without sampling, and can detect large workpieces piece by piece.
The Brinell hardness tester is mainly used for the hardness test of forged steel and cast iron with uneven structure. The Brinell hardness of forged steel and gray cast iron has a good corresponding relationship with the tensile test. The Brinell hardness test can also be used for non-ferrous metals and mild steel. Small diameter ball indenters can be used to measure small size and thin materials. The Brinell hardness tester is mostly used for the inspection of raw materials and semi-finished products. Due to the large indentation, it is generally not used for the inspection of finished products.
The choice of Brinell hardness test conditions is the same as the choice of scale in Rockwell hardness test, the Brinell hardness test also encounters the selection of test conditions, that is, the choice of test force F and indenter ball diameter D. This choice is not arbitrary, but must follow certain rules, and pay attention to the reasonable combination of the test force and the diameter of the indenter ball. The application is slightly more complicated than the Rockwell hardness test.