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1. 发明专利

JPS58215292A Submerged arc welding method of austenitic stainless steel 失效
标题翻译：奥氏体不锈钢的电弧焊接方法
公开(公告)号：JPS58215292A
公开(公告)日：1983-12-14
申请号：JP9699082
申请日：1982-06-08
申请人： Nippon Kokan Kk
发明人： HIRABAYASHI KIYOTERU , TAIRA TADAAKI , ICHINOSE HIROYUKI , TOUMA HIDEO , TERUNUMA TOSHIKATSU
IPC分类号： B23K9/23 , B23K9/18 , B23K35/30
CPC分类号： B23K35/3086
摘要： PURPOSE:To obtain a weld zone which is free from defects such as weld cracks and has excellent notch toughness at ultra-low temp. when used for welding in mass production, by specifying the compsn. of a welding wire to be used for multiple electrode submerged arc welding. CONSTITUTION:The under-mentioned welding wire is used in the stage of subjecting austenitic stainless steel to multiple electrode submerged arc welding: The welding wire has the compsn. which consists of
摘要翻译：目的：获得焊缝不发生焊缝的缺陷，超低温下具有优异的切口韧性。当用于批量生产中的焊接时，通过指定化合物。用于多电极埋弧焊的焊丝。规定：在奥氏体不锈钢经多次电极埋弧焊接的阶段，使用下述焊丝：焊丝具有制品。它由<= 0.06％C，0.2-1.0％Si，1.0-2.0％Mn，9-14％Ni，17-21％Cr和余量为Fe组成，其中Cr当量。的等式I为18-23％，Ni等于。的等式II为10-17％。在上述不锈钢中，等式II中的N通常含有约0.02-0.05％的杂质。

2. 发明专利

JPS5966979A Submerged arc welding of spiral steel pipe 失效
标题翻译：螺旋钢管的焊接弧焊
公开(公告)号：JPS5966979A
公开(公告)日：1984-04-16
申请号：JP16724682
申请日：1982-09-25
申请人： Kobe Steel Ltd , Nippon Kokan Kk
发明人： HIRABAYASHI KIYOTERU , AKAO KAZUTAKA , TOUMA HIDEO , OKUDA NAOKI , WADA TAKASHI , HASE KAORU
IPC分类号： B23K9/18 , B23K9/032 , B23K35/36 , B23K35/362
CPC分类号： B23K35/3608
摘要： PURPOSE:To produce a spiral steel pipe having no joint defect with good productivity by using a sintered flux having a specific compsn. and specific grain size and adjusting the eccentricity of the 1st electrode in an adequate range in performing multielectrode submerged arc welding. CONSTITUTION:A sintered flux which contains 20-40wt% SiO2, 20-50% TiO2, 5-20% MgO, 2-20% amount expressed in terms of MnO, Mn source such as metallic Mn, Fe-Mn, MnO2 or the like and 3-20% inorg. fluoride as essential components, satisfies 64% =10 mesh and
摘要翻译：目的：通过使用具有特定组成的烧结焊剂，生产出不具有良好生产率的接头缺陷的螺旋钢管。和特定的晶粒尺寸，并且在执行多电极埋弧焊时在适当的范围内调整第一电极的偏心度。构成：以MnO表示的20-40重量％SiO 2，20-50重量％TiO 2，5-20重量％MgO，2-20重量％的烧结助熔剂，Mn源如金属Mn，Fe-Mn，MnO 2或喜欢和3-20％inorg。氟化物作为必需组分，满足64％<=（SiO 2 + TiO 2 + MgO）<= 90％，并且包含颗粒大小由<= 20％粗颗粒> = 10目和<= 50％ <= 70目。在满足方程式1-pi / 20R <= x <= 1-pi / 60R的条件下，通过卷取钢带的螺旋钢管的内侧经受具有多个电极的高速埋弧焊接（其中x：第一电极的偏心度，R：螺旋钢管的半径，l：火山口的长度）。

3. 发明专利

JPS59209425A U press tool for uoe steel tube manufacturing process 失效
标题翻译： U型钢管制造工艺
公开(公告)号：JPS59209425A
公开(公告)日：1984-11-28
申请号：JP8175783
申请日：1983-05-12
申请人： Nippon Kokan Kk
发明人： NISHINO YUKIO , ITOJIMA KANJI , TOUMA HIDEO , SASAKI TAKAHARU , KAZAMA SHINICHI , KUSAKA SHIYUUICHI
IPC分类号： B21D5/01
CPC分类号： B21D5/015
摘要： PURPOSE:To smoothen preprocessing for O press forming and regular welding that follow U forming and to improve the quality of a steel tube by specifying a tool used for U press bending in manufacturing UOE steel tubes. CONSTITUTION:A tool 1 used for U press forming is so made so that the range of angle theta on the bottom 1a is 100-150 deg., and the radius of U-shaped steel plate sprung back after U press has a radius of curvature R that becomes the bending radius nearly corresponding to succeeding O press, and the radius of curvature on both sides 1b, 1b of the tool 1 that continue from the bottom 1a is made to a radius R1 which is smaller than the radius of curvature R of the bottom 1a by at least 30%.
摘要翻译：目的：为了平滑U型成形的预处理和U形成后的定期焊接，并通过在制造UOE钢管中指定用于U压弯的工具来提高钢管的质量。构成：用于U形冲压成形的工具1被制成使得底部1a上的角度θ的范围为100-150度，并且U型钢板的半径在U压制具有曲率半径之后弹回 R成为几乎对应于随后的O压机的弯曲半径，并且从底部1a继续的工具1的两侧1b，1b的曲率半径被制成半径R1，其小于半径R的半径R1 底部1a至少30％。

4. 发明专利

JPS59137191A Welding method of clad steel pipe 失效
标题翻译：钢管焊接方法
公开(公告)号：JPS59137191A
公开(公告)日：1984-08-07
申请号：JP1056483
申请日：1983-01-27
申请人： Nippon Kokan Kk
发明人： HIRABAYASHI KIYOTERU , AKAO KAZUTAKA , TAIRA TADAAKI , NISHINO YUKIO , TOUMA HIDEO
IPC分类号： B23K9/23 , B23K33/00
CPC分类号： B23K33/006
摘要： PURPOSE:To weld a seam part without generating defect such as high temp. crack or the like by forming the inside surface side of a double Vee groove to be formed on a clad steel pipe to a double-step groove, and subjecting the 2nd step on the inside to band arc welding after welding the 1st step on the inside on the outside. CONSTITUTION:The outside surface 7 of a double Vee groove 5 in the seam part of a clad steel pipe consisting of a low alloy steel 1a on the outside and a stinless steel 1b, etc. on the inside is formed to 60-90 deg., and the inside surface 6 is formed to a double-step groove consisting of the 1st step 6a of 60-90 deg. and the 2nd step 6b of 90-140 deg.. The 1st step 6a on the inside is first welded by submerged arc welding. The welding is accomplished by taking care to keep the steel 1b part free from the toe of the weld bead. The surface 7 is then welded in the same way. The 2nd step 6b on the surface 6 side is welded by band arc welding using a band electrode in succession to the above-mentioned welding. The defect such as high temp. weld crack or the like is prevented and the defectless weld zone having no slag inclusion is obtd. by the above-mentioned method.
摘要翻译：目的：焊接焊缝，不会产生高温等缺陷。通过将形成在复合钢管上的双V形槽的内表面侧形成为双阶槽，并且在第一阶段焊接在内部上之后对第二阶段进行带状电弧焊接在外面。构成：由外侧的低合金钢1a和内侧的不锈钢1b等组成的复合钢管的接缝部分中的双V形槽5的外表面7形成为60-90度。并且内表面6形成为由60-90度的第一步骤6a组成的双步槽。第二步6b为90-140度。第一步骤6a在内部首先通过埋弧焊焊接。焊接是通过小心保持钢筋1b部分没有焊缝的趾部来实现的。然后以相同的方式焊接表面7。表面6侧的第二台阶6b通过带状电极的带状电弧焊接而与上述的焊接相接合。缺点如高温可以防止焊缝裂纹等，并且没有无渣夹层的无缺陷焊接区。通过上述方法。

5. 发明专利

JPS5764491A Sumberged arc welding method 失效
标题翻译：电弧焊接方法
公开(公告)号：JPS5764491A
公开(公告)日：1982-04-19
申请号：JP13872380
申请日：1980-10-06
申请人： Kobe Steel Ltd , Nippon Kokan Kk
发明人： TAIRA TADAAKI , HIRABAYASHI KIYOTERU , HIRANO OSAMU , TOUMA HIDEO , HOSOMI JIYUN , TERUNUMA TOSHIKATSU , OKUDA NAOKI
IPC分类号： B23K9/18 , B23K35/30 , B23K35/362
CPC分类号： B23K35/362
摘要： PURPOSE:To prevent high temp. cracking surely and weld thick wall materials with high efficiency by using a welding wire contg. specific amts. of C, Mn, P, S at the time of welding steel materials contg. a specific amt. of relatively high carbon. CONSTITUTION:A submerged arc welding method for steel materials contg. 0.15- 0.3 C by wt%. At this time, a welding wire contg. =kJ/cm welding heat input in single layer welding. Further good welding is accomplished if a flux contg.
摘要翻译：目的：防止高温通过使用焊丝来确保和高效地焊接厚壁材料。具体的 C，Mn，P，S焊接钢材时。一个具体的相对较高的碳。构成：钢材埋弧焊接方法 0.15-0.3重量％。此时，焊丝使用<0.1C，1.6-2Mn，<0.015P，<0.01S％。如果使用这样的焊丝，则尽管在单层焊接中焊接> = kJ / cm焊接热输入时可以实现良好的焊接。如果焊剂接触不良，则焊接进一步良好。使用<50SiO 2，20-40 CaO，<20CaF 2，<20Al 2 O 3，<0.03P，0.03S，0.03重量％。

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