Corrosion resistant alloy
    4.
    发明授权
    Corrosion resistant alloy 失效
    耐腐蚀合金

    公开(公告)号:US4581066A

    公开(公告)日:1986-04-08

    申请号:US638453

    申请日:1984-07-24

    CPC分类号: C22C38/18

    摘要: A corrosion resistant alloy comprising in % by weight up to 0.05% of C, 10.00 to 18.00% of Cr, up to 1.00% of Si, up to 1.00% of Mn, more than 0.040% but not more than 0.150% of P, up to 0.050% of S, up to 0.60% of Ni and 0.005 to 0.50% of sol.Al, the balance being Fe and unavoidable impurities. The alloy has an enhanced pickling performance of the hot rolled material and an improved workability of the cold rolled material.

    摘要翻译: PCT No.PCT / JP83 / 00458 Sec。 371日期1984年7月24日 102(e)日期1984年7月24日PCT提交1983年12月27日PCT公布。 第WO84 / 02536号公报 日期:1984年7月5日。耐腐蚀合金,其含量为C:0.05%C,10.00%至18.00%Cr,至多1.00%Si,至多1.00%Mn,超过0.040% 大于0.150%的P,高达0.050%的S,高达0.60%的Ni和0.005-0.50%的sol.Al,余量为Fe和不可避免的杂质。 该合金具有增强的热轧材料的酸洗性能和改善的冷轧材料的可加工性。

    Chromium containing high strength steel sheet excellent in corrosion
resistance and workability
    5.
    发明授权
    Chromium containing high strength steel sheet excellent in corrosion resistance and workability 失效
    含铬高强度钢板,耐腐蚀性和加工性优异

    公开(公告)号:US5304259A

    公开(公告)日:1994-04-19

    申请号:US47520

    申请日:1993-04-19

    IPC分类号: C22C38/24 C22C38/20

    CPC分类号: C22C38/24

    摘要: A high strength chromium containing steel sheet having a tensile strength of at least 40 kgf/mm.sup.2, and excellent in corrosion resistance and workability, comprising, by weight, C:up to 0.030%, Si:up to 2.30%, Mn:up to 3.0%, P:more than 0.0005% and not more than 0.150%, S:up to 0.010%, Ni:up to 2.0%, Cu:more than 0% and not more than 2.0%, Cr:not less than 5.0% and less than 10.0%, N:up to 0.030%, V:not less than 0.01% and not more than 0.10%, and optionally at least one of 0.01 to 0.30% of Ti, 0.01 to 0.30% of Nb, 0.01 to 0.30% of Zr, 0.01 to 0.20% of Al and 0.0002 to 0.0200% of B, the amounts of Si, Mn, P, Ni and Cu being adjusted so that the relation:Si+Mn+10P+Ni+Cu>1.0% may be satisfied, the balance being iron and unavoidable impurities.

    摘要翻译: 一种抗拉强度为至少40kgf / mm2,耐腐蚀性和加工性优异的高强度含铬钢板,其重量含量为C:高达0.030%,Si:高达2.30%,Mn:高达 3.0%以上,P:0.0005%以上0.150%以下,S:0.010%以下,Ni:2.0%以下,Cu:0%以上2.0%以下,Cr:5.0% 小于10.0%,N:0.030%,V:0.01%以上0.10%以下,Ti:0.01〜0.30%,Nb:0.01〜0.30%,Ti:0.01〜0.30% Zr,0.01〜0.20%的Al和0.0002〜0.0200%的B,调整Si,Mn,P,Ni,Cu的配合量,使得Si + Mn + 10P + Ni + Cu> 1.0% 满意,平衡是铁和不可避免的杂质。

    Process for producing strip of corrosion resistant alloy steel
    6.
    发明授权
    Process for producing strip of corrosion resistant alloy steel 失效
    生产耐腐蚀合金钢带的工艺

    公开(公告)号:US4594114A

    公开(公告)日:1986-06-10

    申请号:US634020

    申请日:1984-07-24

    摘要: A process for the production of a strip of a corrosion resistant alloy steel having excellent workability, which process comprises subjecting a cold rolled strip of a steel containing in % by weight as essential components up to 0.05% of C, 10.00 to 18.00% of Cr, 0.005 to 0.50% of sol. Al and more than 0.040% but not more than 0.150% of P to a final annealing, said final annealing being carried out by heating the cold rolled strip in a box annealing furnace to an annealing temperature within the range between 650.degree. C. and 900.degree. C., and maintaining the strip in the furnace at the annealing temperature, the rate of heating at which the strip is heated from 300.degree. C. to the annealing temperature being not faster than 300.degree. C./hr.

    摘要翻译: PCT No.PCT / JP83 / 00462 Sec。 371日期1984年7月24日 102(e)日期1984年7月24日PCT提交1983年12月28日PCT公布。 出版物WO84 / 02535 日本1984年7月5日。一种制造具有优良加工性能的耐腐蚀合金钢带的方法,该方法包括使含有重量%以上的钢的冷轧钢带作为基本成分至0.05%的C ,10.00〜18.00%的Cr,0.005〜0.50%的溶胶。 Al并且在最终退火中大于0.040%但不大于0.150%的P,所述最终退火是通过将箱式退火炉中的冷轧带材加热至650℃至900℃的退火温度 并将钢带在退火温度下保持在炉中,将带材从300℃加热至退火温度的加热速率不高于300℃/小时。

    Stainless steel multifold pipe
    7.
    发明授权
    Stainless steel multifold pipe 失效
    不锈钢多层管

    公开(公告)号:US5458156A

    公开(公告)日:1995-10-17

    申请号:US143400

    申请日:1993-10-29

    摘要: A multifold pipe made by multiple rolling up and turning of a copper coated steel sheet into a multifold pipe, characterized in that said steel sheet is a cold rolled sheet of a super soft austenitic stainless steel comprising by weight: up to 0.05% of C, up to 1.0% of Si, up to 5.0% of Mn, from 9.0% to 15.0% of Ni, from 15.0% to 20.0% of Cr, up to 0.04% of N, up to 5.0% of Cu, the balance being Fe and unavoidable impurities, wherein the alloying elements are further adjusted so that both the two relations (1) and (2) noted below are satisfied:K=20.5+13.0.times.C+0.99.times.Si-1.1.times.Mn-Ni-0.4.times.Cu +0.4.times.Cr+117.1.times.N.ltoreq.19.5 (1)H=27.1+60.9.times.C+0.26.times.Si-Ni-0.79.times.Cu+0.68 .times.Cr+52.6.times.N.ltoreq.29.0 (2)The multifold pipe according to the invention is excellent in fluid tightness of its fused part and in corrosion resistance.

    摘要翻译: 一种多层管,其通过多层轧制和多层轧制而成的多层管,其特征在于,所述钢板为超软奥氏体不锈钢的冷轧板,其重量为C:0.05%以下, 高达1.0%的Si,至多5.0%的Mn,9.0%至15.0%的Ni,15.0%至20.0%的Cr,至多0.04%的N,至多5.0%的Cu,余量为Fe 和不可避免的杂质,其中进一步调整合金元素,使得满足以下两个关系式(1)和(2):K = 20.5 + 13.0xC + 0.99xSi-1.1xMn-Ni-0.4xCu + 0.4xCr + 117.1×N

    Ferritic stainless steel excellent in high temperature oxidation
resistance and scale adhesion
    9.
    发明授权
    Ferritic stainless steel excellent in high temperature oxidation resistance and scale adhesion 失效
    铁素体不锈钢具有优异的耐高温抗氧化性和附着力

    公开(公告)号:US5462611A

    公开(公告)日:1995-10-31

    申请号:US356248

    申请日:1994-12-22

    IPC分类号: C22C38/26 C22C38/20

    CPC分类号: C22C38/26

    摘要: A ferritic stainless steel excellent in high temperature oxidation resistance and scale adhesion which consists essentially of in mass %, 0.03% maximum C, from 0.80% to 1.20% Si, from 0.60% to 1.50% Mn, from 11.0% to 15.5% Cr, from 0.20% to 0.80% Nb, 0.1% maximum Ti (inclusive of non-addition), not less than 0.02% and less than 0.30% Cu, 0.03% maximum N, 0.05% maximum Al (inclusive of non-addition), 0.012% maximum O, the balance being Fe and unavoidable impurities, and wherein the Mn/Si ratio is within the range between 0.7 and 1.5 and the alloying elements are adjusted so that the following relations (1), (2), and (3) and preferably (4) defined herein may be satisfied and wherein the steel exhibits an oxidation weight gain of not more than 0.02 kg/m.sup.2 and an amount of scale which has spalled of not more than 0.01 kg/m.sup.2 after a continuous heating in atmospheric air at 900.degree. C. for 100 hours and the steel exhibits an oxidation weight gain of not more than 0.4 kg/m.sup.2 and an amount of scale which has spalled of not more than 0.02 kg/m.sup.2 after a continuous heating in atmospheric air at 1000.degree. C. for 100 hours.

    摘要翻译: PCT No.PCT / JP94 / 00693 Sec。 371日期1994年12月22日第 102(e)日期1994年12月22日PCT 1994年4月26日PCT PCT。 公开号WO94 / 25636 日本1994年11月10日。一种耐高温氧化性和水垢附着性优异的铁素体不锈钢,其主要组成为质量%,0.03%最大C,0.80%〜1.20%Si,0.60%〜1.50%Mn, 11.0%〜15.5%的Cr,0.20%〜0.80%的Nb,0.1%的最大Ti(包括不添加),不小于0.02%且小于0.30%的Cu,0.03%的最大值N,0.05%的最大值Al 的不添加),0.012%的最大O,余量为Fe和不可避免的杂质,并且其中Mn / Si比在0.7和1.5之间,并且合金元素被调整为使得以下关系式(1),( 2),和(3)和优选(4)可以满​​足,并且其中钢表现出不超过0.02kg / m 2的氧化重量增加和剥离量不大于0.01kg / m 2 在大气中在900℃下连续加热100小时,钢的氧化重量增加不超过0.4kg / m 2 并且在大气中在1000℃下连续加热100小时后,其剥离量不超过0.02kg / m 2。

    Heat resisting ferritic stainless steel excellent in low temperature
toughness, weldability and heat resistance
    10.
    发明授权
    Heat resisting ferritic stainless steel excellent in low temperature toughness, weldability and heat resistance 失效
    耐热铁素体不锈钢,耐低温韧性,焊接性和耐热性优异

    公开(公告)号:US5302214A

    公开(公告)日:1994-04-12

    申请号:US976840

    申请日:1992-11-16

    IPC分类号: C22C38/48 C22C38/22 C22C38/20

    CPC分类号: C22C38/48

    摘要: A heat resisting ferritic stainless steel which comprises, by weight, up to 0.03% of C, from 0.1 to 0.8% of Si, from 0.6 to 2.0% of Mn, up to 0.006% of S, up to 4% of Ni, from 17.0 to 25.0% of Cr, from 0.2 to 0.8% of Nb, from 1.0 to 4.5% of Mo, from 0.1 to 2.5% of Cu, and up to 0.03% of N, and optionally one or more of appropriate amounts of Al, Ti, V, Zr, W, B and REM, the balance being Fe and unavoidable impurities, wherein the alloying elements are further adjusted so that the ratio of Mn%/S% is not less than 200, [Nb] defined by the equation: [Nb]=Nb%-8 (C%+N%) is not less than 0.2, and (Ni%+Cu%) is not more than 4. The stainless steel according to the invention is suitable for use in constructing an exhaust gas path-way of an automobile, particularly, a path-way from an engine to a converter, which is exposed to high temperatures, and which requires an improved low temperature toughness and a high resistance to weld cracking due to high temperatures.

    摘要翻译: 一种耐热铁素体不锈钢,其重量含量为至多0.03%的C,0.1至0.8%的Si,0.6至2.0%的Mn,至多0.006%的S,至多4%的Ni,来自 17.0〜25.0%的Cr,0.2〜0.8%的Nb,1.0〜4.5%的Mo,0.1〜2.5%的Cu和0.03%的N,以及任选的一种或多种适量的Al, Ti,V,Zr,W,B和REM,余量为Fe和不可避免的杂质,其中进一步调节合金元素,使得Mn%/ S%的比例不小于200(由式 :(Nb)= Nb%-8(C%+ N%)不小于0.2,(Ni%+ Cu%)不大于4.本发明的不锈钢适用于构造 汽车的排气路径,特别是从发动机到转炉的路径,暴露于高温,并且需要改进的低温韧性和高耐高温下的焊缝开裂。