The hardness of
aluminum profiles is generally tested with a Webster hardness tester. The national standard GB5237-2004 stipulates that the hardness of 6063 aluminum profile should be greater than 8HW, and the hardness of 6061 aluminum profile should be greater than 10HW. The Chinese non-ferrous metal standard YB/T420-2000 specifies the Webster hardness test method for
aluminum profiles. The W-B (W-20) Webster Hardness Tester for aluminum profile testing is a small portable instrument used to quickly and easily measure the hardness of aluminum profiles, pipes and plates. It is especially suitable for fast and non-destructive hardness inspection of aluminum profile products at the production site, sales site or construction site. W-B (W-20) Webster Hardness Tester is one of the two instruments approved by China's non-ferrous metal industry standard YS/T420-2000. Profile use unit and engineering quality inspection technical supervision department. 一. Use 1. Determine whether the aluminum profile has heat treatment, check the heat treatment effect, and determine whether the mechanical properties of the aluminum profile are qualified. 2. Determine whether the aluminum profile is processed from an inappropriate alloy, and determine whether the aluminum profile alloy composition is qualified. 3, it is inconvenient to measure long and heavy workpieces or assemblies sent to the laboratory. 4. Used for production inspection, acceptance inspection and quality supervision and inspection of aluminum profiles. Second, the main features of the Webster hardness tester: 1, small size, light weight, can be operated with one hand, easy to carry. 2. It can measure a variety of aluminum profiles. 3. The operation is simple, and the operation skills have no influence on the reading. 4. The reading is convenient and can be easily converted into other hardness values. 3 Webster's hardness tester measuring range: Webster's hardness tester is mainly used to measure aluminum profiles and aluminum alloy materials, as well as copper alloy materials. The measurement range is equivalent to: aluminum profile: 24～110HRE copper alloy: 60～90 HRF
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