Thông tin sản phẩm
Mẫu chuẩn độ cứng NOVOTEST Rockwell Hardness Test Blocks HRA, HRB, HRC
Hardness testing blocks are designed for metals hardness testers calibration.
There are availabe different nominal values of the blocks, such as: 25 HRC, 45 HRC, 65 HRC, 90 HRB, 83 HRA.
The blocks meet ASTM E18 standard.