| 摘要 |
Cast steel with microadditives, containing by weight: 0.30-0.65 percent silicon, max. 0.035 percent phosphorus, max. 0.035 percent sulphur. 0.15 percent chromium, max. 0.15 percent copper, as well as carbon, manganese and molybdenum, the remainder iron and inevitable impurities, wherein it contains by weight: 0.07-0.12 percent carbon, 1.2-1.8 percent manganese, max. 0.4 percent molybdenum, and 0.04-0.20 percent of at least one element from the group including vanadium and niobium.
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