Observed under a microscope, the test assures that welding procedures provide proper hardness.
在显微镜下观察试样，硬度试验可保证焊接工艺能提供适当的硬度。
The influence of hardness difference on the wear behaviour of steel-steel worm gear's material is investigated, which provides a foundation for proper hardness matching.
探讨了硬度对钢蜗轮副材料磨损特性的影响，为研究钢蜗轮副合理的硬度配对提供试验依据。
The test results showed this material had proper hardness, free of ridging defect on the surface, and had a stronger corrosion resistance to chloride than that of SUS430 steel.
试制结果显示该材料的硬度适中、抗皱性好并且抗氯化物腐蚀能力比SUS430钢强。
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