Hardness Testing

Hardness testing is one of the most common quick indicators of the state of your material strength. You’ll be provided with a hardness value in various scales in order to point to the current processing status of your material.

Most production hardness testing is all performed based on the same objective A specific load is applied to a given indenter and the resistance the material has to its deformation is quantified as its hardness. When looking at the different types of hardness (Brinell, Rockwell, , etc.), the difference in methods is often just a change in load or indenter. When choosing which test to use, the considerations should be where to test, the size of material, and the expected hardness.

Brinell testing will represent the largest “bulk” hardness of material. For this, larger samples, with ample testing space is needed. Rockwell testing will represent a more localized area in a sample, and can be taken on smaller samples as well. Vickers and Knoop methods are performed on smaller samples yet, and represent micro-size areas of given material.

Titan Metallurgy performs hardness testing to ASTM E10, ASTM E18, and ASTM E384 most commonly. We can perform testing on aluminum, steel, stainless steel, tool steel, copper, and cast iron. We perform testing for customers in the forging, casting, hot wrought, cold drawn, machining, automotive, aerospace, and surface treatment industries.

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Hardness Testing tools.
Rockwell Scale Hardness Testing tools,

Rockwell Hardness Testing

Rockwell hardness testing is performed on a variety of metallic samples, varying in hardness ranges. Our Rockwell hardness tester applies a specific load to a sample through a tungsten carbide ball or diamond indenter and measures the effect on the sample material. Our machine measures the hardness on multiple Rockwell scales, including B, C and superficial. Tests are performed to common international standards such as ASTM E18 and ASTM A370.

Small image of Brinell test hardness testing tools.

Brinell Test

Brinell testing can be used on almost any type of metal. The test equipment applies a 3000kg load with a tungsten carbide ball to the sample being tested. The technician electronically measures the circumference of the indentation to determine the hardness number in HBW. Tests are performed to common international standards such as ASTM E10 and ASTM A370.

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