rockwell hardness tester for sale are used to determine the strength and stiffness of a material, particularly metal alloys. A hardness tester applies a test load to an indenter (usually a diamond cone or steel ball), which leaves an impression on the surface of the test material. These impressions can be measured to produce a hardness value. There are a variety of different tests and scales that can be used to measure the hardness of materials. Grainger offers a broad selection of hardness testing equipment for a variety of applications, including Rockwell, Brinell, Vickers and Leebs.

Hardness testing machines are available in both benchtop and portable models. Benchtop hardness testers are the traditional models that use the Rockwell, Brinell or Vickers methods to test hardness. These are heavy and bulky pieces of equipment that require installation on a test bench. Portable hardness testers offer the advantage of being much lighter and smaller than their larger counterparts, which makes them more practical for use in many applications.

Brinell and Rockwell hardness testers are both capable of producing accurate and reliable results for measuring the hardness of a variety of metals. These types of hardness testers are ideal for testing a wide range of metal alloys, and they can quickly convert the tested result into other common hardness scales. In addition to the regular Rockwell hardness scales, these testers can also produce results in the HB, HV, HRD and HK hardness scales.

Alternatively, you can choose to use a Vickers hardness tester for metals and other materials. This method uses a narrow diamond indenter, which allows for the measurement of light test loads. This is ideal for testing thin and small precision parts, as well as wires. This type of hardness tester can also be used to test the case depth of a part.

A Leebs hardness tester is another microhardness testing method that can be used for a variety of solid and metallic materials. This method is similar to the Brinell method, but it can be used for light test loads of less than 10 gf. In order to obtain accurate results, the diamond indenter must be completely free of impurities and the supporting surface of the test piece must be very clean and flat.

In addition to the aforementioned types of hardness testing methods, you can also choose to use an ultrasonic hardness tester for metals and other materials. An ultrasonic hardness tester is a non-destructive inspection technique that utilizes sound waves to evaluate the quality and thickness of a sample. This type of inspection can be performed either by contact or immersion, and it can be used to detect internal defects in a material, such as cracks or cavities.