Don’t overlook this crucial difference. At Metallurgical Supply Company (METSUCO) we are often asked to provide quotes for hardness testers, calipers, micrometers, and other precision measurement tools to manufacturers and labs. Sometimes our clients know exactly what equipment or tool they are looking for, down to the specific brand and part number. But oftentimes, we ask our clients questions to help narrow down the hundreds of choices and help them get the most suitable item at the price point needed. One of the most critical questions we ask: will you be using the equipment or tool to verify or to... Continue reading
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Polishing is the process or achieving the smoothest surface or best possible planeness by removing any damage remaining from grinding steps. The ultimate goal is to produce scratch and deformation free samples that can satisfy testing and clients' needs. Polishing cloths of various materials will help you achieve this goal. Polishing cloths vary on two important dimensions. You need to consider the nap, or the height of the fiber, and the stiffness or resiliency of the fiber. For most applications, polishing cloths are used in conjunction with diamond suspensions, diamond pastes, and other powders and liquids of varying grain sizes.... Continue reading
Demand is increasing for Non-Destructive Testing. Bloomberg put out a Press Release in February 2020 that stated “The global non-destructive testing market size is expected to reach USD 24.3 billion by 2027, expanding at a CAGR of 6.5%, according to a new report by Grand View Research, Inc. The market is anticipated to witness significant growth over the forecast period.” This is not really surprising to us. Now the big industry reports will break down the main things like where the growth is happening, companies driving the growth, etc. What we want to do is break down why the demand... Continue reading
When would I use a portable hardness tester versus a benchtop one? Continue reading
Hardness testing is absolutely critical in many industries and phases of manufacturing. Detecting defects during this process can save thousands of dollars and a lot of headaches later due to product or structural failure. Yet, traditional hardness testing is destructive to the test sample. In many cases, this is not what you want. Instead, you want to use a non-destructive testing method, like Ultra Sonic Hardness testing. What is Ultrasonic Hardness Testing Ultrasonic Hardness Testing is also known as Ultrasonic Contact Impedance. The Ultrasonic Contact Impedance method has been around for over 50 years and was developed heavy and/or unmovable... Continue reading
Across many different industries such as oil and gas, aerospace, auto manufacturing, and commercial construction, just to name a few, there is a need to have the hardness of the materials tested. This is to make sure the product or material in question will not critically fail down the line. In order to test a material’s hardness, there is a device called a hardness tester. A hardness tester is an instrument used to measure just how hard a material is. This is typically done by assessing the impact that penetration has on the surface of an object by a rounded... Continue reading
NDT testing is critical for Aerospace. NDT stands for Non-Destructive testing, and they are a set of testing methods which finds the properties of a material, components, or structure for defects and critical failures of a material without damaging the component. Although visual inspections are done to verify the integrity of components, non-destructive testing can catch surface and sub-surface deformities and issues that can be missed by visual inspection alone. Aerospace engineered components are susceptible to thermal and pressure cycle fatigue, vibrations, a wide range of operating conditions, corrosion, and manufacturing defects. With all these different types of pressures and... Continue reading
Manufacturers and quality control managers do not always have the luxury of cutting materials into a sample and taking it into a lab for examination. A different solution is needed for field testing materials. Many manufacturers use portable hardness testers, which offer several other advantages. What is Hardness Testing? Hardness testing is used in mechanical and materials engineering to test the hardness of a material, such as a metal. Hardness tests analyze a specific material and its properties and ascertain whether or not a given material is the best fit for the job. Hardness tests are used on multiple kinds... Continue reading
Getting Help From Hardness Testing Hardness tests let engineers check whether materials have been processed correctly. Jul 07, 2011 Author: Norm Ellis, Ellis & Associates CADD/Technical Illustration Editor: Jessica Shapiro Key points: • Engineers can use hardness testing to verify the composition or heat-treatment history of materials. • Rockwell, Brinell, Vickers, and Shore are common hardness tests. Their use depends on the material being tested. • Rockwell tests cover a wide range of metallic materials, while Shore testing is for plastics and elastomers. Resources: Ellis & Associates CADD/Technical Illustration “Pint-Sized Hardness Tester Gets its Finesse from Compact Servodrive,” Machine Design,... Continue reading
Metal hardness tests are crucial to engineers, metallurgists, and manufacturers in many industries, from automotive, to oil and gas, and aerospace to name a few. Performing a hardness test is a critical step in qualifying metal parts and determining the various properties of a specific metal. A metal passing or failing a test will help dictate product design, production process, and innovation. There are many different metals and alloys and different applications of those materials. Different test scales are used to assist engineers in selecting the appropriate metals and hardness for their specific application. The three most widely used today... Continue reading
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