本文通过焊接试验、显微分析和磨损试验论述了以铬、镍、铁基合金代替钴、铬、钨合金作石油钻头牙爪堆焊耐磨合金的问题。

In this article we discussed the possibility of replacement of cobalt alloy by Cr-Ni iron Base alloy in drill bit bearing on the basis of welding test, wearing test and microscopic examination.

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地下蕴藏铅、锌、冰晶石、铬、煤、钨、钼、铁、镍、铀和石油等资源，其中冰晶石已基本采完。

Underground deposits of lead, zinc, cryolite, chromium, coal, tungsten, molybdenum, iron, nickel, uranium and oil resources, which has basically taken cryolite end.

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用途广泛，使用于铝、铜、铁、锌、不锈钢、普通钢、镍、钨、合金以及异类金属之间的焊接。

Wide-ranged applications, especially in the welding of copper, iron aluminum, steel, stainless steel and alloy.

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