申请日期 | 2025-06-30 | 申请号 | CN201310495471.X |
公开(公告)号 | CN103498107A | 公开(公告)日 | 2014-01-08 |
公开国别 | CN | 申请人省市代码 | 全国 |
申请人 | 江苏盛伟模具材料有限公司 | ||
简介 | 本发明为一种耐高温高硼高铬低碳耐磨合金钢及其制备方法,其化学成分按重量百分比为:0.10~0.5%C,3~26%Cr,0.5~4%W,0.5~1.2%Si,0.5~1.5%Mn,0.7~3.5%B,0.3~2.6%Cu,1.5%~2.4%Al,0.8~1.6%Ti,0.02~0.15%Ca,0.03~0.25%Ce,0.02~0.18%N,0.05~0.3%Nb,0.12~0.25%Mg,0.04~0.13%K,0.05~0.12Ca,0.06~0.15Ba,S<0.03%,P<0.04%,余量为Fe和不可避免的杂质元素。废钢、铬铁在电炉中熔化后加入铜板、硅铁、锰铁,炉前调整成分合格后,将熔体温度升高至1560-1620℃,加入硅钙合金和铝脱氧,然后加入钛铁、硼铁和金属铝熔化出炉;将小于12mm的颗粒状稀土镁合金和金属铈、Si3N4、VN、Nb和K所组成的复合变质孕育剂经烘烤后放在钢水包底部,用包内冲入法对冶炼好的钢水进行变质孕育处理,钢水浇注温度为1400~1450℃;铸件经920~1150℃保温2-4小时后空冷。 |
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