The steel used in the pipes, however, is usually alloyed with cobalt to make it stronger.
但用来制造管道的钢中通常掺入了合金成分钴来增强材料的强度。
2
The effect of cobalt salt type and level on the properties of NR compound and the adhesion strength between the cord compound and the brass plated steel cord in radial tire was investigated.
研究了钴盐品种和用量对NR胶料性能及子午线轮胎帘布胶镀铜钢丝帘线粘合力的影响。
3
A new type of cobalt-free super high speed steel with good grindability G105 has been developed, and the effect of cobalt on some properties of high speed steels was discussed.