| 摘要 |
PCT No. PCT/BE95/00036 Sec. 371 Date Mar. 27, 1997 Sec. 102(e) Date Mar. 27, 1997 PCT Filed Apr. 14, 1995 PCT Pub. No. WO95/28506 PCT Pub. Date Oct. 26, 1995Alloyed steel with high carbon content having a composition, expressed in percentage weight: carbon from 1.1 to 2.0%, manganese from 0.5 to 3.5%, chromium from 1.0 to 4.0%, silicon from 0.6 to 1.2%, the remainder being iron with the usual impurity content, such that it provides a metallographic structure mainly of non-equilibrium fine pearlite and that its hardness is between 47 Rc and 54 Rc.
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