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1. 发明专利

JPS60216184A PLATE TYPE HEAT EXCHANGER 失效
公开(公告)号：JPS60216184A
公开(公告)日：1985-10-29
申请号：JP7251784
申请日：1984-04-10
申请人： HISAKA WORKS LTD , NIPPON STAINLESS STEEL CO
发明人： YAGI TOSHIICHI , SAITOU KIICHI , IKEDA AKIYASU
IPC分类号： F28F3/08 , F28D9/00 , F28D9/02 , F28F9/18
摘要： PURPOSE:To form a plate type heat exchanger, which has excellent heat resistance, pressure resistance and corrosion resistance and at the same time the manufacturing of which is easy, by a method wherein the outer peripheral parts and the outeperipheral parts of the passage holes of the respective plates are mutually joined by diffusion joining. CONSTITUTION:A predetermined number of sheets of plates 11 are laminated so that the outer peripheral parts 11a and the outer peripheral parts 13a of the passage holes 13 of the respective plates 11 are brough into contact mutually and at the same time tubular bodies 14, which consist of either inflow tubes of discharge tubes, are placed on the outer peripheral parts of four passage holes 13' provided on the plate 11' lying in the uppermost stage. Next, the laminated plates 11 are inserted in a vacuum furnace or a furnace filled with inactive gas atmosphere so as to keep them at the predetermined temperature and at the same time to apply the predetermined pressure on the laminated plates 11 and the tubular bodies 14 in order to hold the above-mentioned state for a certain period of time. Consequently, constituent atoms locating in the pressure welding portions between the respective plates 11 and those between the plate 11' and the tubular bodies 14 are diffused each other in order to strongly join the boundary surfaces.

2. 发明专利

JPS60204871A HEAT RESISTANT CAST STEEL HAVING SUPERIOR STRENGTH AT HIGH TEMPERATURE 失效
公开(公告)号：JPS60204871A
公开(公告)日：1985-10-16
申请号：JP5963684
申请日：1984-03-29
申请人： NIPPON STAINLESS STEEL CO
发明人： TAJIMA KOU , SAITOU KIICHI , YOSHIDA TAKESHI , OOTA YOSHIMITSU , YAMAZAKI KATSUO
IPC分类号： C22C38/00 , C22C38/50
摘要： PURPOSE:To obtain a heat resistant cast steel having superior strength and ductility at high temp. by adding specified percentages of C, Si, Mn, P, S, Cr, Ni, Nb, Zr and N to Fe. CONSTITUTION:A heat resistant cast steel consisting of 0.35-0.60% C,

3. 发明专利

JPS58126993A MOLTEN SALT BATH FOR CONTINUOUS ANNEALING AND PICKLING DEVICE 失效
公开(公告)号：JPS58126993A
公开(公告)日：1983-07-28
申请号：JP921082
申请日：1982-01-23
申请人： NIPPON STAINLESS STEEL CO
发明人： SAITOU KIICHI , KOBAYASHI MINEO , KITANI SHIGERU , KOJIMA TOSHIO
IPC分类号： C23G1/28 , C23G1/32
摘要： PURPOSE:To decrease the quantity of molten salt bath taken out in annealing by making NaOH a main component of molten salt bath used in continuous annealing and pickling process of stainless steel hoop, adding NaNO3, KOH thereto and limiting the quantity of Na2CO3, an inpurity, below a specified value. CONSTITUTION:In rolling a stainless steel hoop, a beltlike intermediate product is continuously annealed and pickled, and cold rolled. In this case, dense oxide scales formed in annealing process cannot be removed perfectly by direct pickling process. Accordingly, they are changed to scales soluble in acid by passing through molten salt bath composed mainly of NaOH and containing 10-40wt% NaNO3 and 5-20wt% KOH and containing

4. 发明专利

JPS57158359A CORROSION RESISTANT AUSTENITE STAINLESS STEEL 失效
公开(公告)号：JPS57158359A
公开(公告)日：1982-09-30
申请号：JP4274281
申请日：1981-03-24
申请人： NIPPON STAINLESS STEEL CO
发明人： SAITOU KIICHI , KOBAYASHI MINEO , UNO HIDEKI
IPC分类号： C22C38/00 , C22C38/54
摘要： PURPOSE:To enhance the resistance of an austenite stainless steel to intergranular corrosion, intergranular stress corrosion cracking and pitting corrosion by adding specified amounts of N, Nb and Ta to the steel and regulating the B content. CONSTITUTION:This austenite stainless steel contains

5. 发明专利

JPS5729562A Heat resistant cast steel with excellent high temperature strength 失效
标题翻译：具有极好的高温强度的耐热铸钢
公开(公告)号：JPS5729562A
公开(公告)日：1982-02-17
申请号：JP10330680
申请日：1980-07-28
申请人： Nippon Stainless Steel Co Ltd
发明人： SAITOU KIICHI , TAJIMA TSUTOMU , YAMAZAKI KATSUO , OOTA YOSHIMITSU
IPC分类号： C22C38/00 , C22C38/52
摘要： PURPOSE: To provide the heat resistant cast steel preventing precipitation of sigma phase and having excellent high temp. strength comprising preparing cast steel containing C, Si, Mn, P, S, Cr, Ni and other specific metals in a specific ratio.
CONSTITUTION: The cast steel containing, in the wt. ratio, 0.3W0.4% C, 1.5% or less Si, 1.5% or less Mn, 0.02% or less P, 0.020% or less S, 23W26% Cr, 24W27% Nr, 1W2% Nb, 1W3% Co, 0.06% or less Ni, according to necessity, 0.10W0.40% Zr and substantially comprising the remaining Fe and inevitable impurities is prepared. Thereby, a material suitable for a high temp. and pressure reaction tube for a petrochem. industry, a hearth roller for a heat treating furnace, a radiant tube or the like is obtained.
COPYRIGHT: (C)1982,JPO&Japio
摘要翻译：目的：提供耐热铸钢，防止σ相沉淀，并具有优异的高温。包括以特定比例制备含有C，Si，Mn，P，S，Cr，Ni和其它特定金属的铸钢的强度。构成：含有， 0.3-0.4％C，1.5％以下Si，1.5％以下Mn，0.02％以下P，0.020％以下S，23-26％Cr，24-27％Nr，1-2％Nb， 1-3％Co，0.06％或更少的Ni，根据需要，制备0.10-0.40％Zr，并且基本上包含剩余的Fe和不可避免的杂质。因此，适用于高温的材料和石油压力反应管。工业，用于热处理炉的炉床辊，辐射管等。

6. 发明专利

JPS6013013A TREATMENT OF SLAG AFTER DEPHOSPHORIZATION WITH CAC2 失效
公开(公告)号：JPS6013013A
公开(公告)日：1985-01-23
申请号：JP12189283
申请日：1983-07-05
申请人： NIPPON STAINLESS STEEL CO
发明人： SAITOU KIICHI , TAKAHASHI ICHIROU , SAKAE TOYOYUKI , YOSHIDA SHIYUUJI
IPC分类号： C21C5/52 , C21C5/28 , C21C7/00 , F27D15/00 , C21C7/064
摘要： PURPOSE:To prevent the emission of a foul odor from slag produced by dephosphorizing stainless steel or high alloy steel with CaC2 flux by subjecting the slag to neutralization and oxidation treatment with an aqueous nitric acid soln. CONSTITUTION:Slag produced by dephosphorizing stainless steel or high alloy steel with CaC2 or CaC2+CaF2 flux is subjected to neutralization and oxidation treatment with an aqueous nitric acid soln. Ca3P2 present in the slag is converted into PO4 emitting no foul odor by oxidation with the nitric acid. The concn. of the nitric acid soln. is

7. 发明专利

JPS59153870A Austenitic stainless steel with low sensitivity to weld crack 失效
标题翻译：对焊接裂纹敏感性低的奥氏体不锈钢
公开(公告)号：JPS59153870A
公开(公告)日：1984-09-01
申请号：JP2518983
申请日：1983-02-17
申请人： Nippon Stainless Steel Co Ltd , Sumitomo Metal Ind Ltd
发明人： SAITOU KIICHI , YOSHIDA TAKESHI , AOKI MASAHIRO , KONDOU HISASHI , IKEDA AKIYASU , FURUKAWA MASAZOU
IPC分类号： C22C38/00 , C22C38/40 , C22C38/42
摘要： PURPOSE: To obtain the titled austenitic stainless steel preventing HAZ crack due to Cu or having increased Cu crack resistance by providing a composition contg. prescribed percentages of C, Si, Mn, P, S, Cr and Ni and by controlling the amount of Cu contained as an inevitable impurity and the Ni balance value.
CONSTITUTION: An austenitic stainless steel is composed of ≤0.08% C, ≤1.00% Si, ≤2.00% Mn, ≤0.045% P, ≤0.03% S, 18.00W20.00% Cr, 8.00W13.00% Ni and the balance Fe with inevitable impurities. The amount of Cu contained as one of the inevitable impurities is controlled to ≤0.08%, and the Ni balance value is also controlled to -0.7W-2.5. The controlled Cu content and the controlled Ni balance value are essential conditions for the steel. The sensitivity of the steel to HAZ crack due to the sticking of Cu to the groove is remarkably reduced, and the so-called Cu crack can be prevented.
COPYRIGHT: (C)1984,JPO&Japio
摘要翻译：目的：获得标题奥氏体不锈钢，防止由于Cu引起的HAZ裂纹或通过提供组合物阻止增加Cu抗裂性。通过控制C，Si，Mn，P，S，Cr和Ni的规定百分比，并且通过控制作为不可避免的杂质而含有的Cu的量和Ni平衡值。构成：奥氏体不锈钢由<= 0.08％C，<= 1.00％Si，<= 2.00％Mn，<= 0.045％P，<= 0.03％S，18.00-20.00％Cr，8.00-13.00％Ni 余量为Fe与不可避免的杂质。含有作为不可避免的杂质之一的Cu的量控制在<= 0.08％，Ni平衡值也控制在-0.7--2.5。受控的Cu含量和受控的Ni平衡值是钢的必要条件。由于Cu对槽的粘附导致的钢对HAZ裂纹的敏感性显着降低，并且可以防止所谓的Cu裂纹。

8. 发明专利

JPS5935663A Manufacture of hot-rolled plate of alpha+beta type titanium alloy 失效
标题翻译： ALPHA + BETA型钛合金热轧板的制造
公开(公告)号：JPS5935663A
公开(公告)日：1984-02-27
申请号：JP14647482
申请日：1982-08-24
申请人： Nippon Stainless Steel Co Ltd
发明人： SAITOU KIICHI , NOKOYA MASAKI , SHIICHI MASARU , ISHIYAMA SHIGEJI , TAKAHASHI YUKIHISA , FUJISAWA KAZUYOSHI
IPC分类号： C22F1/18 , B21B3/00
摘要： PURPOSE: To obtain a hot-rolled plate of an α+β type Ti alloy which is easily workable into a thin plate and has superior cold rollability, by heating the Ti alloy to a temp. in a temp. range whose upper limit is a specified temp. below the β transformation point and by hot rolling the heated alloy in one direction to a prescribed final plate thickness at a prescribed finishing temp.
CONSTITUTION: An α+β type Ti alloy such as a Ti-6Al-4V alloy having 970W 1,000°Cβ transformation point is heated to a temp. in a temp. range whose upper limit is a temp. 20°C below the β transformation point. The heated Ti alloy is hot-rolled in one direction to ≤5mm final plate thickness at ≥700°C finishing temp. A hot-rolled plate of the α+β type Ti alloy which has extremely superior cold rollability and is easily workable into a thin plate can be efficiently manufactured.
COPYRIGHT: (C)1984,JPO&Japio
摘要翻译：目的：为了获得易于加工成薄板并具有优异的冷轧性能的α+β型Ti合金的热轧板，通过将Ti合金加热至温度。在温度范围，其上限为指定温度。低于β相变点，并且通过在预定的最终温度下将加热的合金在一个方向上热轧至规定的最终板厚度。构成：将具有970-1000摄氏度相变点的Ti-6Al-4V合金的α+β型Ti合金加热至温度。在温度上限为温度范围低于β转化点20℃。加热的Ti合金在一个方向上热轧至<= 5mm。最终板厚度> = 700℃。可以有效地制造具有非常优异的冷轧性和易于加工成薄板的α+β型Ti合金的热轧板。

9. 发明专利

JPS57118837A Manufacture of solar heat absorbing panel or plate type heat exchanger 失效
标题翻译：太阳能吸收板或板式热交换器的制造
公开(公告)号：JPS57118837A
公开(公告)日：1982-07-23
申请号：JP415581
申请日：1981-01-14
申请人： Nippon Stainless Steel Co Ltd
发明人： SAITOU KIICHI , AOKI MASAHIRO , KONDOU HISASHI , IKEDA AKIYASU , YAMAGUCHI HITOSHI
IPC分类号： F24S10/70 , B21D26/021 , B21D26/031 , B21D26/059 , B21D53/04 , F24S10/50 , F28F3/14
CPC分类号： F24J2/208 , B21D53/045 , Y02E10/44
摘要： PURPOSE:To prevent clearance corrosion in bulge forming by making the amount of bulge uniform by pressing only four sides with constraining jigs having beads and thereby broadening the clearance around the weld zone. CONSTITUTION:Resistance welding 6, 7 is made after attaching mouthpieces 4 to metallic plates 1, 2. Before making bulge forming, outside of the resistance weld zone 6 is pressed by constraining jigs 9, 10 to form constraining beads in the metallic plates 1, 2. Pulling in of the metallic plates 1, 2 at the time of bulge forming is restrained by the constraining beads 3, and the amount of bulge becomes uniform. At the same time, the clearance around the weld zone is broadened to prevent clearance corrosion.
摘要翻译：目的：为了防止凸起形成中的间隙腐蚀，通过仅使用具有珠的约束夹具仅压制四边而使凸起量均匀，从而使焊缝区域周围的间隙变宽。构成：在将吸嘴4连接到金属板1,2上之后制成电阻焊接6,7，在制作凸起形成之前，通过约束夹具9,10压住电阻焊接区6外，在金属板1上形成约束珠，在凸起形成时，金属板1,2的拉入被约束珠3限制，凸起量变得均匀。同时，焊接区周围的间隙变宽，以防止间隙腐蚀。

10. 发明专利

JPS5591960A HIGH SILICONNNICKELLCHROMIUM STEEL WITH RESISTANCE TO CONCENTRATED 失效
公开(公告)号：JPS5591960A
公开(公告)日：1980-07-11
申请号：JP16301478
申请日：1978-12-28
申请人： SUMITOMO CHEMICAL CO , NIPPON STAINLESS STEEL CO
发明人： ITOU NAOYA , SAITOU KIICHI , YOSHIDA TAKESHI , AOKI MASAHIRO , OOKUBO KATSUO , MIKI MASAYOSHI
IPC分类号： C22C38/00 , B23K35/30 , C22C38/40 , C22C38/48 , C22C38/50 , C22C38/58
摘要： PURPOSE:To provide a metallic material with superior workability and weldability for equipment for treating nitric acid at high temp. and concn. by adding a specified amt. of Si, Mn, etc. to an austenite stainless steel. CONSTITUTION:The material is a high Si-Ni-Cr steel contg. C

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