| 摘要 |
<p>Steel, comprising (weight per cent): , the weight percentage of impurities being limited to: sulphur, up to 0.05, phosphorus, up to 0.1, and iron, the balance. This steel has proved to be most advantageous for producing shovel bucket teeth, track links for tracked vehicles, frogs, crusher elements and other units exposed in service to heavy loads, high-speed wear and to the effect of sub-zero temperatures.</p> |
