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How to detect the hardness of metal stamping parts
With the development of society, stamping products have been applied to various fields. Because the materials used in metal stamping parts are also divided into many types, when producing metal stamping parts in a stamping processing plant, we need to understand the characteristics of the product and the performance of the material. Among them, material hardness is a very important point. Different materials have different hardness test methods. Next, we will analyze the hardness test methods of different materials precisely for everyone; 1. Hot-rolled steel plates are usually thicker. It is generally stipulated that the Brinell hardness tester is used to test the hardness, and the Rockwell hardness tester can also be used to test the hot-rolled steel plate. When using a portable Rockwell hardness tester to test hot-rolled steel plates, you can use the hrb scale. The test can be performed without sampling and the operation is very simple; 2. The cold-rolled steel plates used to process metal stampings mainly use Rockwell hardness The hardness tester usually uses the hrb scale, and the harder one uses the hrc scale; 3. The material of the sheet material can use the Webster hardness tester, or the surface Rockwell hardness tester hrn or hrt scale; 4. Yellow for processing metal stamping parts The hardness of the copper plate can be tested with the hrb scale of the Rockwell hardness tester; the hrf scale of the softer brass plate and the red copper plate; 5. You can use the Webster hardness tester to test the aluminum alloy plate used for processing metal stampings . When the material thickness is 13mm, a Barcol hardness tester can be used. Busbar hardness tester should be used for pure aluminum plate or low-hardness aluminum alloy plate; [Recommended recommendation] Learn more: What are the methods for polishing the surface of stainless steel? Learn more: Manufacturing characteristics of automobile stamping parts molds Learn more: Points to note in the design of continuous stamping dies (2)