This standard provides the requirements for a Brinell testing machine and the procedures for performing Brinell hardness tests.
本标准同时规定了对布氏硬度计的要求，以及进行布氏硬度试验的步骤。
The hardness tests on welding joints prove this by showing that the hardness reduces in fusion area, and increases slightly in weld zone.
通过对焊接接头的硬度检测，发现熔合区硬度下降，焊缝区略有上升。
LX-A rubber hardness tester is widely used in low hardness of plastic, all kinds of rubber, multi-resin, leather, wax and other hardness tests.
LX - A型橡胶硬度计广泛应用于中低硬度塑料、各类橡胶、多元脂、皮革、蜡等的硬度测试。
The correctness of those conclusions is proved by theresults of metallographic observations and hardness tests of the dissimilar steel welded joint ofCr30Ni9/high carbon steel.
利用异种钢接头的金相观察和硬度测试结果，验证了所得结论的正确性。
In addition, two hardness tests showed that the natural aging has great influence on the hardness distribution in the two alloys.
此外，两次硬度试验表明，自然时效对两种状态合金的硬度分布存在影响。
In addition, two hardness tests showed that the natural aging has great influence on the hardness distribution in the two alloys.
此外，两次硬度试验表明，自然时效对两种状态合金的硬度分布存在影响。
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