Alloys for exhaust valve
    1.
    发明授权
    Alloys for exhaust valve 失效
    排气阀合金

    公开(公告)号:US4871512A

    公开(公告)日:1989-10-03

    申请号:US914408

    申请日:1986-10-02

    IPC分类号: C22C19/05 F01L3/02

    CPC分类号: C22C19/055 F02B2275/18

    摘要: An alloy for use in an exhaust valve of an automotive vehicle is disclosed, which consists of C: 0.01-0.15%, Si.ltoreq.2.0%, Mn.ltoreq.0.5%; Cr: 15-25%, Mo: 0.4-3.1% and W: 0.2-3.8% so that (Mo+1/2W) is 0.5 to 5.0%, Nb+Ta: 0.3-3.0%, Ti: 1.5-3.5%, Al: 0.5-2.5%, B: 0.001-0.02%, Fe.ltoreq.5% and the balance of Ni or Ni+Co.

    摘要翻译: 公开了一种用于汽车排气阀的合金,其由C:0.01-0.15%,Si≤2.0%,Mn≤0.5%组成; Cr:15〜25%,Mo:0.4〜3.1%,W:0.2〜3.8%,使(Mo + 1 / 2W)为0.5〜5.0%,Nb + Ta:0.3〜3.0%,Ti:1.5〜3.5% ,Al:0.5〜2.5%,B:0.001-0.02%,Fe = 5%,余量为Ni或Ni + Co。

    Heat-resisting steels
    2.
    发明授权
    Heat-resisting steels 失效
    耐热钢

    公开(公告)号:US4650645A

    公开(公告)日:1987-03-17

    申请号:US677326

    申请日:1984-12-03

    CPC分类号: C22C38/34 C22C38/22 C22C38/24

    摘要: A heat-resisting steel suitable for use in valve parts of internal combustion engine is disclosed, which consists essentially by weight percentage of 0.3-0.5% of C, more than 1.0% to 2.5% of Si, 0.1-2.0% of Mn, 0.5-7.0% of Cr, 0.3-2.0% of Mo and 0.1-1.0% of V as basic ingredients, at least one of 0.3-2.0% of Cu and 0.001-0.05% of REM as sub-ingredients and if necessary, at least one of 0.1 to less than 2.0% of Ni, 0.1-1.5% of W and 0.03-1.0% of Nb+Ta, and the balance of Fe and inevitable impurities.

    摘要翻译: 公开了一种适用于内燃机阀部件的耐热钢,其主要由重量百分比为0.3-0.5%的C,大于1.0%至2.5%的Si,0.1-2.0%的Mn,0.5 -7.0%的Cr,0.3-2.0%的Mo和0.1-1.0%的V作为基本成分,0.3-2.0%的Cu和0.001-0.05%的REM中的至少一种作为副成分,如果需要,至少 Ni:0.1〜小于2.0%,W:0.1〜1.5%,Nb + Ta:0.03〜1.0%,余量由Fe和不可避免的杂质构成。

    Alloys for exhaust valves
    3.
    发明授权
    Alloys for exhaust valves 失效
    排气阀合金

    公开(公告)号:US4631169A

    公开(公告)日:1986-12-23

    申请号:US719102

    申请日:1985-04-02

    IPC分类号: C22C19/05 F01L3/02 F02B1/04

    CPC分类号: C22C19/058 F01L3/02 F02B1/04

    摘要: An alloy for use in exhaust valves is disclosed, which consists by weight percentage of 0.01.about.0.15% of C, not more than 2.0% of Si, not more than 2.5% of Mn, 53.about.65% of Ni, 15.about.25% of Cr, 0.3.about.3.0% of Nb, 2.0.about.3.5% of Ti, 0.2.about.1.5% of Al, 0.0010.about.0.020% of B, and the remainder being substantially Fe. If necessary, the alloy further contains at least one element selected from 0.001.about.0.030% of Mg, 0.001.about.0.030% of Ca and 0.001.about.0.050% of REM.

    摘要翻译: 公开了一种用于排气阀的合金,其重量百分比为0.01%C,不超过2.0%的Si,不超过Mn的2.5%,53%的Ni为65%,15%为25% 的Cr,0.3差异Nb的3.0%,2.0差异3.5%的Ti,0.2差异的1.5%的Al,0.0010差异为0.020%,其余为实质上的Fe。 如果需要,合金还含有至少一种元素,选自0.001%Mg,0.001%,0.030%的Ca和0.001%的差异为0.050%的REM。