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    • 2. 发明专利
    • Welded joint and welding material
    • 焊接接头和焊接材料
    • JP2006075841A
    • 2006-03-23
    • JP2004259439
    • 2004-09-07
    • Sumitomo Metal Ind Ltd住友金属工業株式会社
    • KOUSU TAKAHIROOGAWA KAZUHIRONISHIYAMA YOSHITAKA
    • B23K35/30C22C19/05
    • Y02P70/181
    • PROBLEM TO BE SOLVED: To provide a welded joint and a welding material having excellent corrosion resistance in an environment where metal dusting is easy to be generated such as a heat exchange type hydrocarbon reforming device and a waste heat recovering device, and further having excellent high temperature strength and weldability. SOLUTION: In the welded joint having excellent metal dusting resistance, a base material and a weld zone both have a composition comprising, by mass, 0.01 to 0.45% C, 0.01 to 2% Si, 0.01 to 2% Mn, ≤0.03% P, ≤0.01% S, 15 to 35% Cr, 40 to 78% Ni, >2 to COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种在容易产生金属粉尘的环境中具有优异耐腐蚀性的焊接接头和焊接材料,例如热交换型烃重整装置和废热回收装置,以及进一步 具有优异的高温强度和焊接性。 解决方案:在具有优异的耐金属粉尘性的焊接接头中,基材和焊接区均具有以下组成:质量分数为0.01〜0.45%的Si,0.01〜2%的Si,0.01〜2%的Mn,≤ 0.03%P,≤0.01%S,15〜35%Cr,40〜78%Ni,2〜4.5%Al,3.5〜15%Mo,0.001〜0.2%N和0.015〜5.5%Cu, 满足以下不等式(1),余量为Fe与杂质。 基材和焊接金属可以包含选自Co,Ti,Ta,V,Zr,Nb和Hf中的一种或多种,​​以及选自B,Ca和Mg中的一种或多种,​​以及稀土金属。 不等式(1)或(2)中的原子符号表示每个元素的含量(质量%),并且在包括的情况B中,满足不等式(2):24P + 1.28Mo + 0.9Si-32S -0.12Cu-0.05Al≥4.23(1),24P + 1.28Mo + 0.9Si + 20B-32S-0.12Cu-0.05Al≥4.23(2)。 版权所有(C)2006,JPO&NCIPI
    • 4. 发明专利
    • Weld joint and material to be welded therefor
    • 焊接接头和焊接材料
    • JP2006045597A
    • 2006-02-16
    • JP2004226110
    • 2004-08-02
    • Sumitomo Metal Ind Ltd住友金属工業株式会社
    • KOUSU TAKAHIROOGAWA KAZUHIRONISHIYAMA YOSHITAKA
    • C22C19/05B23K9/167B23K9/23B23K35/30B23K103/08
    • C22C19/058C22C19/053C22C19/055
    • PROBLEM TO BE SOLVED: To provide a weld joint which has superior metal dusting resistance and does not cause weld solidification cracking, and to provide a material to be welded therefor.
      SOLUTION: The weld joint has such a chemical composition as both a base metal and a welded metal therein comprising 0.01-0.45% C, more than 1% to 4% Si, 0.01-2% Mn, 0.05% or less P, 0.01% or less S, 15-35% Cr, 40-78% Ni, 0.005-2% Al, 0.001-0.2% N, 0.015-5.5% Cu, further Ti so as to satisfy the following expression (1): {(Si-0.01)/30}+0.01Cu ≤ Ti ≤ 5, (wherein a symbol of an element shown in the expression means a content of the element (mass%)), and the balance Fe with impurities. The base metal and the welded metal may further include one or more elements among Co, Mo, Ta, W, V, Zr, Nb, Hf, B, Ca, Mg and REM.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供具有优异的金属防尘性并且不引起焊接凝固裂纹的焊接接头,并提供要被焊接的材料。 焊接接头具有贱金属和焊接金属两者的化学组成,其中包括0.01-0.45%C,大于1%至4%的Si,0.01-2%的Mn,0.05%或更少的P ,0.01%以下的S,15-35%的Cr,40-78%的Ni,0.005-2%的Al,0.001-0.2%的N,0.015-5.5%的Cu,进一步的Ti以满足下列表达式(1): ä(Si-0.01)/ 30} +0.01Cu≤Ti≤5,(其中表示的元素的符号表示元素的含量(质量%)),余量为Fe与杂质。 贱金属和焊接金属还可以包括Co,Mo,Ta,W,V,Zr,Nb,Hf,B,Ca,Mg和REM中的一种或多种元素。 版权所有(C)2006,JPO&NCIPI
    • 8. 发明专利
    • Austenitic stainless steel excellent in adhesion to film
    • 奥氏体不锈钢优于电影
    • JP2012082488A
    • 2012-04-26
    • JP2010230888
    • 2010-10-13
    • Sumitomo Metal Ind Ltd住友金属工業株式会社
    • NISHIYAMA YOSHITAKADOI TAKASHIYOSHIZAWA MITSURU
    • C22C38/00C22C38/58C22C38/60C23C8/14C23C8/18
    • PROBLEM TO BE SOLVED: To provide an austenitic stainless steel excellent in adhesion to film.SOLUTION: According to an embodiment, the austenitic stainless steel includes a base material and an oxide scale layer formed on the surface of the base material. The base material contains, by mass, 0.01-0.4% C, 0.1-4% Si, 0.1-2% Mn, 0.15% or less P, 0.01% or less S, 15-26% Cr, 7-22% Ni, 0.001-0.3% sol.Al, and 0.05-0.3% N, with the balance comprising Fe and unavoidable impurities. The chemical composition of the surface of the oxide scale layer satisfies formula (1) and formula (2): Si+Mn+Cr≥15 (1) and P+S+Cu+Zn+As+Sn+Sb+Pb+Bi≤10 (2), wherein the concentrations by atom% of the corresponding elements are substituted into the respective element symbols in formula (1) and formula (2).
    • 要解决的问题:提供一种对膜的粘合性优异的奥氏体不锈钢。 解决方案:根据一个实施方案,奥氏体不锈钢包括基材和形成在基材表面上的氧化皮层。 该基材含有0.01-0.4%的C,0.1-4%的Si,0.1-2%的Mn,0.15%或更少的P,0.01%或更少的S,15-26%的Cr,7-22%的Ni, 0.001-0.3%sol.Al和0.05-0.3%N,余量包含Fe和不可避免的杂质。 氧化皮层表面的化学成分满足式(1)和式(2):Si + Mn +Cr≥15(1)和P + S + Cu + Zn + As + Sn + Sb + Pb + Bi ≤10(2),其中相应元素的原子%浓度被代入式(1)和式(2)中的各元素符号。 版权所有(C)2012,JPO&INPIT
    • 10. 发明专利
    • Metallic material having excellent workability and metal dusting resistance
    • 金属材料具有优异的耐磨性和耐金属性
    • JP2007186728A
    • 2007-07-26
    • JP2006003481
    • 2006-01-11
    • Sumitomo Metal Ind Ltd住友金属工業株式会社
    • NISHIYAMA YOSHITAKAOTSUKA NOBUO
    • C22C38/00C22C19/05C22C38/60
    • PROBLEM TO BE SOLVED: To provide a metallic material having excellent workability and metal dusting resistance which is suitable as the material for a cracking furnace, a reforming furnace, a heating furnace, a heat exchanger or the like in petroleum refining, a petrochemical plant or the like.
      SOLUTION: The metallic material having excellent workability and metal dusting resistance has a composition containing, by mass, 0.01 to 0.4% C, 0.01 to 2.5% Si, 0.01 to 2.5% Mn, 15 to 35% Cr, 20 to 65% Ni, 0.05 to 20% Cu, 0.001 to 0.15% Nd, ≤0.1% S, ≤0.25% N, ≤0.02% O(oxygen), and one or more selected from >0.05 to 0.3% P, 0.001 to 1% Sb and 0.001 to 0.5% Bi, and the balance Fe with impurities. The metallic material may further comprise one or more selected from Co, Mo, W, Ti, Nb, B, Zr, Hf, Mg, Ca, Al, Y, La and Ce by suitable quantity.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种适用于石油炼制中的裂解炉,重整炉,加热炉,热交换器等的材料,具有优异的加工性和耐金属粉尘性的金属材料, 石油化工厂等。 解决方案:具有优异的可加工性和耐金属粉尘性的金属材料具有以质量计含有0.01至0.4%的C,0.01至2.5%的Si,0.01至2.5%的Mn,15至35%的Cr,20至65 %Ni,0.05〜20%Cu,0.001〜0.15%Nd,≤0.1%S,≤0.25%N,≤0.02%O(氧),以及选自0.05〜0.3%P,0.001〜1% Sb和0.001〜0.5%Bi,余量为Fe与杂质。 金属材料可以进一步包含选自Co,Mo,W,Ti,Nb,B,Zr,Hf,Mg,Ca,Al,Y,La和Ce中的一种或多种。 版权所有(C)2007,JPO&INPIT