METHOD AND DEVICE FOR ROLLING METAL STRIPS
    2.
    发明申请

    公开(公告)号:WO2018122020A1

    公开(公告)日:2018-07-05

    申请号:PCT/EP2017/083296

    申请日:2017-12-18

    申请人: OUTOKUMPU OYJ

    IPC分类号: B21B37/26 B21B37/38

    摘要: The invention relates to a method for manufacturing flexible rolling of metal strips, in which a metal strip with predefinable material thickness consisting is guided through a mill stand by at least two operating steps, which is containing several rolls, the metallic strip is during the rolling operation set to lead through a roll gap, where the curve bending line is steered to achieve a defined profiles.

    METHOD FOR COLD DEFORMATION OF AN AUSTENITIC STEEL
    3.
    发明申请
    METHOD FOR COLD DEFORMATION OF AN AUSTENITIC STEEL 审中-公开
    奥氏体钢冷变形的方法

    公开(公告)号:WO2018060454A1

    公开(公告)日:2018-04-05

    申请号:PCT/EP2017/074832

    申请日:2017-09-29

    申请人: OUTOKUMPU OYJ

    IPC分类号: C21D7/02 B21B37/26 C21D8/04

    摘要: The invention relates for a method for partial hardening of an austenitic steel by utilizing during cold deformation the TWIP (Twinning Induced Plasticity), TWIP/TRIP or TRIP (Transformation Induced Plasticity) hardening effect. Cold deformation is carried out by cold rolling on at least one surface (2,3;12) of the material (1,11) to be deformed with forming degree (Φ) at the range of 5 ≤ Φ ≤ 60 % in order to achieve in the material (1,11) at least two consecutive areas (5,7;14,16) with different mechanical values in thickness, yield strength Rp0.2, tensile strength Rm and elongation having a ratio (r) between ultimate load ratio ΔF and the thickness ratio Δt at the range of 1.0 > r > 2.0, and which areas are mechanically achieved to connect to each other by a transition area (6;15) which thickness is achieved variable from the thickness (t1,t3) of the first area (5,14) in the deformation direction (4,13) to the thickness (t2,t4) of the second area (7,16) in the deformation direction (4,13). The invention also relates to the use of the cold deformed product.

    摘要翻译: 本发明涉及一种通过在冷变形期间利用TWIP(结晶诱导塑性),TWIP / TRIP或TRIP(相变诱发塑性)硬化效应来使奥氏体钢部分硬化的方法。 为了使成形度(Φ)在5≤Φ≤60%范围内变形,在材料(1,11)的至少一个表面(2,3; 12)上通过冷轧进行冷变形,以便 在材料(1,11)中实现至少两个连续区域(5,7; 14,16),其具有不同的厚度,屈服强度Rp0.2,拉伸强度Rm和伸长率具有不同的机械值,极限载荷 比值ΔF和厚度比Δt在1.0> r> 2.0,并且所述区域机械地实现为通过过渡区域(6; 15)彼此连接,所述过渡区域在所述变形方向(4)上从所述第一区域(5,14)的厚度(t1,t3) ,13)与变形方向(4,13)上的第二区域(7,16)的厚度(t2,t4)相比较。 本发明还涉及冷变形产品的用途。

    ARC FURNACE BOTTOM CONSTRUCTION
    4.
    发明申请
    ARC FURNACE BOTTOM CONSTRUCTION 审中-公开
    电弧炉底部结构

    公开(公告)号:WO2017212116A1

    公开(公告)日:2017-12-14

    申请号:PCT/FI2017/050422

    申请日:2017-06-07

    申请人: OUTOKUMPU OYJ

    发明人: VÄÄNÄNEN, Eero

    摘要: The present invention relates to an arc furnace bottom construction for maintaining the outer surface temperature of the bottom construction essentially at least on the lower part of the arc furnace essentially close to the temperature surrounding the arc furnace. The bottom construction contains at least two constructions (3,7) to be cooled and being positioned to each other in different heights seen from the side view.

    摘要翻译: 本发明涉及一种电弧炉底部结构,其用于将底部结构的外表面温度至少基本上保持在电弧炉的下部,以基本上接近电弧炉周围的温度。 底部结构包含至少两个待冷却的结构(3,7),并且从侧面看以不同的高度彼此定位。

    METHOD FOR MANUFACTURING AN AUSTENITIC STEEL COMPONENT AND USE OF THE COMPONENT
    5.
    发明申请
    METHOD FOR MANUFACTURING AN AUSTENITIC STEEL COMPONENT AND USE OF THE COMPONENT 审中-公开
    制造奥氏体钢组件的方法和组件的使用

    公开(公告)号:WO2017081072A1

    公开(公告)日:2017-05-18

    申请号:PCT/EP2016/077128

    申请日:2016-11-09

    申请人: OUTOKUMPU OYJ

    摘要: The invention relates to a method for manufacturing a component with high work hardening rate made of a material having austenitic microstructure. A cold work hardened material for a component (1) is heat treated to create at least one softened area (2) with high ductility and lower strength than the initial high strength material by heat treating a part of the component material required for the softened area (2). The invention also relates to a use of the component.

    摘要翻译: 本发明涉及由具有奥氏体微结构的材料制成的具有高加工硬化速率的部件的制造方法。 对部件(1)的冷加工硬化材料进行热处理,以通过对软化区域所需的部分材料进行热处理来产生至少一个具有高延展性和低于初始高强度材料强度的软化区域(2) (2)。 本发明还涉及该组件的用途。

    AUSTENITIC STAINLESS STEEL
    6.
    发明申请
    AUSTENITIC STAINLESS STEEL 审中-公开
    奥氏体不锈钢

    公开(公告)号:WO2015144896A2

    公开(公告)日:2015-10-01

    申请号:PCT/EP2015/056749

    申请日:2015-03-27

    申请人: OUTOKUMPU OYJ

    摘要: The invention relates to an austenitic high-manganese stainless steel having high strength and ductility. The stainless steel which consists of in weight % 0,03 - 0,1 % carbon, 0,08 – 1,0 % silicon, 14 – 26 % manganese. 10,5 – 18 % chromium, less than 0,8 % nickel, 0,05 – 0,6 % copper, 0,1 – 0,8 % nitrogen and 0,0008 – 0,005 % boron, the rest being iron and inevitable impurities occurred in stainless steels, and the stainless steel is cold deformable utilizing the TWIP (TWinning Induced Plasticity) mechanism.

    摘要翻译: 本发明涉及具有高强度和延展性的奥氏体高锰不锈钢。 不锈钢由重量%0.03-0.1%碳,0,08-10%硅,14-26%锰组成。 10,5-18%的铬,小于0.8的镍,0.05-0.6%的铜,0.1-0.8%的氮和0.008-0.005%的硼,其余的是铁和不可避免的 杂质发生在不锈钢中,不锈钢是利用TWIP(TWinning Induced Plasticity)机制进行冷变形的。

    DUPLEX STAINLESS STEEL
    7.
    发明申请
    DUPLEX STAINLESS STEEL 审中-公开
    双相不锈钢

    公开(公告)号:WO2015114222A1

    公开(公告)日:2015-08-06

    申请号:PCT/FI2015/050065

    申请日:2015-02-02

    申请人: OUTOKUMPU OYJ

    摘要: The invention relates to a duplex ferritic austenitic stainless steel having high formability utilizing the TRIP effect and high corrosion resistance with the balanced pitting resistance equivalent. The duplex stainless steel contains less than 0,04 weight % carbon, 0,2 - 0,8 weight % silicon, less than 2,0 weight % manganese, 16,5 - 19,5 weight % chromium, 3,0 - 4,7 weight % nickel, 1,5 - 4,0 weight % molybdenum, less than 3,5 weight % tungsten, less than 1 weight % copper, 0,13 - 0,26 weight % nitrogen, the rest being iron and inevitable impurities occurring in stainless steels.

    摘要翻译: 本发明涉及一种利用TRIP效应具有高成型性和高耐腐蚀性并具有平衡点蚀电阻当量的双相铁素体奥氏体不锈钢。 双相不锈钢含有小于0.04重量%的碳,0.2至0.8重量%的硅,小于2.0重量%的锰,16.5至19.5重量%的铬,3.0-4 ,7重量%的镍,1.5-4.0重量%的钼,小于3.5重量%的钨,小于1重量%的铜,0.13-0.26重量%的氮,其余是铁和不可避免的 杂质发生在不锈钢中。

    AUSTENITIC STAINLESS STEEL
    8.
    发明申请
    AUSTENITIC STAINLESS STEEL 审中-公开
    奥氏体不锈钢

    公开(公告)号:WO2014049209A1

    公开(公告)日:2014-04-03

    申请号:PCT/FI2013/050940

    申请日:2013-09-26

    申请人: OUTOKUMPU OYJ

    摘要: The invention relates to an austenitic stainless steel with improved pitting corrosion resistance and improved strength. The stainless steel contains in weight % less than 0,03 % carbon (C), 0,2 - 0,6 % silicon (Si), 1,0 - 2,0 % manganese (Mn), 19,0 - 21,0 % chromium (Cr), 7,5 - 9,5 % nickel (Ni), 0,4 - 1,4 % molybdenum (Mo), less than 1,0% copper (Cu), 0,10 - 0,25 % nitrogen (N), optionally less than 1,0 % cobalt (Co), optionally less than 0,006 % boron (B), and the rest being iron (Fe) and inevitable impurities.

    摘要翻译: 本发明涉及具有改善的耐点腐蚀性和改善强度的奥氏体不锈钢。 不锈钢含有重量%小于0.03%的碳(C),0.2-6.0%的硅(Si),1.0-2.0%的锰(Mn),19,0-21, 0%铬(Cr),7,5-9.5%镍(Ni),0.4-1.4%钼(Mo),小于1.0%铜(Cu),0,10-0, 25%氮(N),任选地小于1.0%钴(Co),任选地小于0.006%的硼(B),其余为铁(Fe)和不可避免的杂质。

    METHOD FOR REMOVING AN OXIDATION FROM THE SURFACE OF A METAL OBJECT
    9.
    发明申请
    METHOD FOR REMOVING AN OXIDATION FROM THE SURFACE OF A METAL OBJECT 审中-公开
    从金属物体表面去除氧化的方法

    公开(公告)号:WO2012010740A1

    公开(公告)日:2012-01-26

    申请号:PCT/FI2011/050623

    申请日:2011-07-01

    IPC分类号: B23K26/36 B23K26/067

    摘要: The invention relates to a method for the removal of an oxidation from a surface of metal object. It is directed to an oxidation (3,12) on the surface of a metal object (2,11) at least one laser beam (4,13), which is essentially absorbed on the surface of the oxidation (3,12) existing on the surface of the metal object, in which case the oxidation (3,12) is heated and the oxidation (3,12) is made to remove without any mechanical treatment.

    摘要翻译: 本发明涉及从金属物体的表面去除氧化的方法。 它被引导到金属物体(2,11)的表面上的至少一个激光束(4,13)上的氧化(3,12),其基本上被氧化(3,12)的表面吸收 在金属物体的表面上,在这种情况下,氧化(3,12)被加热并且氧化(3,12)被做成在没有任何机械处理的情况下去除。

    LOW-NICKEL AUSTENITIC STAINLESS STEEL AND USE OF THE STEEL
    10.
    发明申请
    LOW-NICKEL AUSTENITIC STAINLESS STEEL AND USE OF THE STEEL 审中-公开
    低镍非奥氏不锈钢和钢的使用

    公开(公告)号:WO2011138503A1

    公开(公告)日:2011-11-10

    申请号:PCT/FI2011/050348

    申请日:2011-04-18

    摘要: The invention relates to a low-nickel austenitic stainless steel with high resistance to delayed cracking and the use of the steel. The steel contains in weight % 0,02 - 0,15 % carbon, 7 - 15 % manganese, 14 - 19 % chromium, 0,1 - 4 % nickel, 0,1 - 3 % copper, 0,05 - 0,3 % nitrogen, the balance of the steel being iron and inevitable impurities, and the chemical composition range in terms of the sum of carbon and nitrogen contents (C+N) and the measured Md3o-temperature is inside the area defined by the points ABCD which have the following values Point M d30 °C C+N % A - 80 0,1 B + 7 0,1 C - 40 0,40 D - 80 0,40.

    摘要翻译: 本发明涉及一种高耐延迟开裂的低镍奥氏体不锈钢和钢的使用。 钢包含重量%0.02-0.15%碳,7-15%锰,14-19%铬,0.1-4%镍,0.1-3%铜,0.05-0.0% 3%的氮,钢的余量为铁和不可避免的杂质,化学成分范围为碳氮含量(C + N)和测得的Md3o温度之和在ABCD 其具有以下值:点Md30℃C + N%A - 80 0,1 B + 7 0,1 C - 40 0,40 D - 80 0,40。