High strength, low alloy, heat resistant steel
    1.
    发明授权
    High strength, low alloy, heat resistant steel 有权
    高强度,低合金,耐热钢

    公开(公告)号:US06379611B1

    公开(公告)日:2002-04-30

    申请号:US09641683

    申请日:2000-08-18

    IPC分类号: C22C3822

    摘要: A high strength, low alloy, heat resistant steel having excellent weldability has an average crystal grain diameter of at most 110 &mgr;m and consists essentially of, by mass %: C: 0.03-0.15%, Si: at most 1%, Mn: at most 2%, P: at most 0.03%, S: at most 0.03%, Ni: at most 0.5%, Cu: at most 0.5%, Cr: 1.8-2.8%, V: 0.1-0.3%, Nb: 0.01-0.08%, Mo: 0.05-0.35%, W: 1.2-1.8%, Ti: 0.001-0.05%, B: 0-0.02%, Al: at most 0.1%, O: at most 0.1%, N: in an amount satisfying the formula [%N]≦[%Ti]+5[%B]+0.004, and a remainder of unavoidable impurities.

    摘要翻译: 焊接性优异的高强度,低合金,耐热钢的平均结晶粒径为110μm以下,质量%以C:0.03〜0.15%,Si:1%以下,Mn:at 最多2%,P:0.03%以下,S:0.03%以下,Ni:0.5%以下,Cu:0.5%以下,Cr:1.8〜2.8%,V:0.1-0.3%,Nb: 0.08%,Mo:0.05-0.35%,W:1.2-1.8%,Ti:0.001-0.05%,B:0-0.02%,Al:至多0.1%,O:0.1%以下,N: 满足公式[%N] <= [%Ti] +5 [%B] +0.004,剩余的不可避免的杂质。

    Nickel-based alloy excellent in corrosion resistance and workability
    2.
    发明授权
    Nickel-based alloy excellent in corrosion resistance and workability 失效
    镍基合金耐腐蚀性和加工性优良

    公开(公告)号:US5879818A

    公开(公告)日:1999-03-09

    申请号:US893553

    申请日:1997-07-11

    摘要: An alloy having an excellent corrosion resistance and workability and being suitable particularly for seamless tubes of the industrial waste incineration boiler. The alloy consists essentially of, in weight %,:______________________________________up to 0.05% C, up to 0.5% Si, up to 0.5% Mn,up to 0.01% P 20-25% Cr, 8-12% Mo,more than 0.5% and up to 1.0% Nb, more than 15% and up to 20% Fe,up to 0.4% Al, up to 0.1% in total of rare earth metals,up to 0.01% Ca, up to 0.01% Mg, up to 0.01% B,______________________________________and the balance Ni and incidental impurities, wherein the Fe content and the Nb content are defined so as to satisfy the following formula (a):Fe(%).gtoreq.4.times.Nb(%)+12.5 (a)

    摘要翻译: 具有优异的耐腐蚀性和可加工性的合金,特别适用于工业废物焚烧锅炉的无缝管。 该合金主要由以重量%计: - 至多0.05%C,高达0.5%Si,至多0.5%Mn, - 至多0.01%P 20-25%Cr,8-12%Mo, - 更多 超过0.5%和高达1.0%的Nb,大于15%和至多20%的Fe, - 高达0.4%的Al,高达0.1%的稀土金属, - 高达0.01%的Ca,高达0.01 %Mg,高达0.01%B, - 余量为Ni和杂质,其中Fe含量和Nb含量被定义为满足下列公式(a):Fe(%)> / = 4xNb(%) +12.5(a)