一种含硼高速钢轧辊及其制备方法.pdf
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一种含硼高速钢轧辊及其制备方法.pdf
一种含硼高速钢轧辊及其制备方法,属于轧钢技术领域,化学质量组成:0.95-1.15C,8.5-9.0Cr,1.0-1.2Mo,0.5-0.8W,0.5-0.8V,0.4-0.6B,1.6-1.8Al,0.18-0.25N,0.4-0.6Cu,1.2-1.4Si,0.06-0.10RE,0.03-0.06Mg,0.04-0.08Ti,0.025-0.045K,0.025-0.045Na,0.02-0.04Te,0.02-0.04Bi,<0.5Mn,<0.025S,<0.030P,余量为Fe和不可避免的微量杂
一种含硼离心复合高速钢轧辊及其制备方法.pdf
本发明公开了一种含硼离心复合高速钢轧辊,包括高速钢轧辊外层、高速钢轧辊中间层和高速钢轧辊芯部,该制备方法包括熔炼、炉前处理、轧辊浇注、退火、粗加工、二次回火、精加工、检验。通过上述方式,本发明提供的含硼离心复合高速钢轧辊采用了三层复合轧辊技术,增加了高速钢轧辊外层和高速钢轧辊芯部的复合能力,不易剥落,硬度强度高、耐磨性好、抗事故能力强,该制备方法简单,省去了高温淬火工艺,轧辊热处理能耗低、周期短,轧辊不会出现氧化和脱碳,且轧辊使用安全,使用中无断辊现象出现。
高速钢复合轧辊及其制备方法.pdf
本发明公开了一种高速钢复合轧辊,包括外层和辊芯,所述外层的化学组成成分(质量分数,%)是:0.5-0.8C,1.5-1.8B,8.0-11.0Cr,4.0-5.5Mo,1.0-1.2V,2.0-2.5Al,0.1-0.4Ni,0.04-0.08Mg,0.06-0.15Ti,Si<0.7,Mn<0.4,S<0.04,P<0.05,余量为Fe;所述辊芯是球墨铸铁。本发明还公开了上述复合轧辊的制备方法:将复合轧辊外层和辊芯分别用电炉熔炼,采用离心铸造方法复合成形。该复合轧辊取消高温热处理,工艺简便,能耗低。轧辊
高韧性含硼高速钢及其制备方法.pdf
本发明公开了一种高韧性含硼高速钢及其制备方法,质量百分比:0.30~0.6%?C,3.5~5.0%?Cr,0.4~1.15%?Si,3.4~5.2%?Mn,0.8~2.5%?B,0.9~2.8%?Mo,1.0~3.2%?W,0.5~1.5%?V,0.6~1.8%?Cu,0.5~1.2%?Ti,0.05~0.20%?Ca,0.05~0.25%?Ce,0.05~0.2%?Y,0.02~0.18%?N,0.05~0.3%Nb,0.12~0.25%Mg,0.06~0.15Ba,0.04~0.13%K,S<0.03
含硼高铬高速钢轧辊材料及其热处理方法.pdf
本发明公开了一种含硼高铬高速钢轧辊材料及其热处理方法,其化学成分(质量分数,%)是:2.6-3.0C,2.0-2.8Mo,1.0-1.5W,0.6-1.0Nb,1.0-1.5V,24-28Cr,0.5-0.8B,0.7-1.2Ni,0.5-1.0Si,0.5-1.2Mn,0.008-0.015Ca,0.06-0.08Zn,0.02-0.05Ta,0.03-0.06RE,0.04-0.10K,其余为Fe和不可避免的微量杂质,该轧辊材料经熔炼、炉外变质、浇注和热处理后,精加工成轧辊。该发明轧辊材料硬度高、耐磨