低淬透性钢 Shallow-Hardening Steel ; Surface Hardening Steel ; low hardenability steel ; low hardening steel
本文介绍了60D低淬透性钢万向节十字轴和循环球转向螺杆的各项性能及装车使用试验情况。
This paper presents the properties of the U-joint spiders and the worms of recirculating ball steering gear which made from a low quenchability steel 60D, as well as their testing results on the road.
然后采用不同直径的试样测定其临界淬透直径，用金相法观察其组织变化，分析其低淬透性原因。
The structure was observed with the metallograph. The reason of low hardenability of steel Cf53 is analysed.
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