东莞市有道精密仪器有限公司
Dongguan YUDO Precision Instrument Co., LTD.
Whether you need to evaluate high-grade iron, aluminum, or plastic components for commercial transportation, aerospace, bridge construction, or dental orthodontics, or require ensuring testing procedures meet production standards and inline testing, YUDO’s hardness testing solutions create numerous possibilities for the innovative demands of a rapidly changing world.
Our global network of branches provides customers with robust supply chain management to obtain accurate test results, regardless of geographical location. For specialized laboratories with high demands, our new standard testing machines are no longer exclusive products but have become standard offerings.
HATDNESS TEST MECHOD
Vickers
The Vickers hardness test method, also referred to as a microhardness test method (ASTM E-384, E92 and ISO 6507), consists of indenting the test material with a diamond indenter. This indenter has the form of a pyramid…
Knoop
The Knoop resulting indentation is not symmetrical as Vickers indentions and will be subject to more variations of the resulting hardness values when testing to Knoop scales, especially below 200gf. Knoop hardness is normally not being…
Rockwell
The Rockwell hardness test method, as defined in ISO 6508 & ASTM E-18, is the most commonly used method around the world to determine a material’s hardness and is suitable for almost all metals and to some degree for plastics…
Brinell
The Brinell hardness test method (as defined in ASTM E10 and ISO 6506) is mostly used for heavy casted materials such as cast iron, aluminun or steel. Although Brinell loads can be found ranging from 1kgf to 3000kgf, most …
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