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    Bonded flux and wire for submerged arc welding
    53.
    发明专利
    Bonded flux and wire for submerged arc welding 有权
    焊接焊丝和焊丝用于埋弧焊

    公开(公告)号：JP2013039604A

    公开(公告)日：2013-02-28

    申请号：JP2011178650

    申请日：2011-08-17

    Applicant: Kobe Steel Ltd ,  株式会社神戸製鋼所

    Inventor： KAN HO ,  SATO MUNENORI ,  KOMIZO YUICHI ,  ZHANG XINFANG

    IPC: B23K35/362 ,  B23K9/18 ,  B23K35/30

    CPC classification number: B23K35/3605 ,  B23K35/0261 ,  B23K35/3606 ,  B23K35/3607 ,  B23K35/362

    Abstract: PROBLEM TO BE SOLVED: To provide a bond flux and a wire for submerged arc welding, which allow a welded metal having a 690 MPa or higher 0.2%-yield-strength, a 780 MPa or higher tensile strength, and an excellent low-temperature toughness in which absorption energy at -60°C is 69 J or more, to be obtained by properly adjusting the flux composition and the wire composition.SOLUTION: The flux contains: 0.10 to 0.40 mass% metal Ca; 0.3 to 1.0 mass% metal Si; 0.10 to 0.80 mass% metal Al; and 2.0 to 5.0 mass% alkali metals Na, K, Li in a total of values evaluated in terms of oxides of Na, K, and Li, wherein ([Al]+[Si]+[Ca])/[SiO] is 0.04 to 0.15. In the wire, [Ni]/([Mn]+[Mo]) is 0.4 to 1.7.

    Abstract translation: 要解决的问题：为了提供焊接焊剂和用于埋弧焊的焊丝，其允许焊接金属具有690MPa或更高的0.2％强度，780MPa或更高的拉伸强度和优异的 通过适当调整焊剂组成和焊丝组成可获得-60℃下的吸收能为69J以上的低温韧性。

    解决方案：焊剂含有：0.10〜0.40质量％的金属Ca; 0.3〜1.0质量％的金属Si; 0.10〜0.80质量％的金属Al; 和2.0〜5.0质量％的碱金属Na，K，Li，其中（[Al] + [Si] + [Ca]）/ [SiO 2 ]为0.04〜0.15。 在导线中，[Ni] /（[Mn] + [Mo]）为0.4〜1.7。 版权所有（C）2013，JPO＆INPIT

    Bonded flux and solid wire for submerged arc welding, and method for submerged arc welding of steel for low temperature service
    54.
    发明专利
    Bonded flux and solid wire for submerged arc welding, and method for submerged arc welding of steel for low temperature service 有权
    用于焊接电弧焊的焊接焊丝和固体焊丝，以及用于低温焊接的钢的电弧焊接方法

    公开(公告)号：JP2012176435A

    公开(公告)日：2012-09-13

    申请号：JP2011279994

    申请日：2011-12-21

    Applicant: Kobe Steel Ltd ,  株式会社神戸製鋼所

    Inventor： KAN HO ,  OTA MAKOTO ,  NAKANISHI KOJIRO

    IPC: B23K35/362 ,  B23K9/18 ,  B23K9/23 ,  B23K35/30

    CPC classification number: B23K35/362 ,  B23K9/186 ,  B23K9/23 ,  B23K35/3053 ,  B23K35/3602 ,  B23K35/3605 ,  B23K35/3607 ,  B23K35/361 ,  B23K2203/04 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/08 ,  C22C38/14

    Abstract: PROBLEM TO BE SOLVED: To provide a bonded flux and a solid wire for submerged arc welding, each of which gives a weld part (weld metal) having excellent low-temperature fracture toughness with superior weldability, and to provide a method for subnerged arc welding of a steel for low temperature service.SOLUTION: The bonded flux includes, by mass, 23-43% MgO, 11-31% AlO, 6-16% CaF, 7-20% SiO, 1.0-8.0% metal carbonates in terms of CO, 2-16% at least one of CaO and BaO, 0.4-1.5% Si, 1.0-7.0% Ti and oxide thereof in total in terms of Ti, 0.01-0.20% at least one of B and oxide thereof in total in terms of B, and 1.0-6.0% oxides of alkali metals, Na, K and Li in total in terms of respective elements, and (Ti corresponding value+B corresponding value)/SiOsatisfies 0.05 to 0.55.

    Abstract translation: 要解决的问题：为了提供一种用于潜埋电弧焊接的粘结焊剂和实心焊丝，其中每个焊接部分（焊接金属）具有优异的低温断裂韧性和优异的焊接性，并且提供一种用于 用于低温服务的钢的亚弧电弧焊。

    解决方案：粘结焊剂质量包括23-43％的MgO，11-31％的Al 2 O 3 ，6-16％CaF 2 ，7-20％SiO 2 ，1.0-8.0％的金属碳酸盐，以CO ，Ti，0.01-0.20，CaO和BaO中的至少一种，Si：0.4-1.5％，Si：1.0〜7.0％Ti及其氧化物中的至少一种为2-16％ ％B中的至少一种以及B的氧化物总计，以及相应元素的合计为1.0-6.0％的碱金属，Na，K和Li的氧化物，（Ti对应值+ B对应值）/ SiO 2 满足0.05〜0.55。 版权所有（C）2012，JPO＆INPIT

    Production of welding flux
    60.
    发明专利
    Production of welding flux 失效
    生产焊接通量

    公开(公告)号：JPS6137397A

    公开(公告)日：1986-02-22

    申请号：JP16073184

    申请日：1984-07-30

    Applicant: Nippon Jiryoku Senko Kk

    Inventor： HATANO KORESUKE ,  IIMOTO MASAAKI

    IPC: B23K35/40 ,  B23K35/36 ,  B23K35/362

    CPC classification number: B23K35/362 ,  B23K35/3607

    Abstract: PURPOSE:To obtain a flux which forms beautiful beads and improves workability by sizing the non-magnetized material obtd. by compounding Mn ore, silica sand, lime, etc. with high Mn-content slag which is a main raw material, melting the mixture and subjecting the melt to cooling and magnetic sepn. to a required grain size. CONSTITUTION:The MnO ore, quicklime, silica sand and used welding flux in addition to the high-Mn content slag are mixed and are compounded to adjust the chemical analytical values thereof to 39% MnO, 40% SiO2, 8% CaO, 3% Al2O3, 2% FeO and 3% MgO. The mixture is then melted in an electric furnace and is cooled with water by which the water-granulated material is obed. The material is further subjected to drying and disintegration and the magnetized material is removed therefrom by a magnetic separator. The nonmagnetic material is finally subjected to two stages of screening and the intermediate size thereof is made into a product. The flux which forms the beautiful beads of the deposited material and maintains the good workability is obtd. by the above- mentioned method.

    Abstract translation: 目的：获得形成美丽珠粒的助焊剂，并通过施加非磁化材料的尺寸来提高加工性能。 通过以主要原料的高Mn含量的渣混合Mn矿石，硅砂，石灰等，熔化混合物并使熔体冷却和磁性分离。 达到所需的粒度。 构成：将MnO矿石，生石灰，硅砂和使用的焊剂与高Mn含量矿渣混合，并将其化学分析值调整为39％MnO，40％SiO2，8％CaO，3％ Al2O3，2％FeO和3％MgO。 然后将混合物在电炉中熔化，并用水冷却，通过该水通过水粒化材料。 该材料进一步进行干燥和分解，并且通过磁选机将磁化材料除去。 非磁性材料最后进行两个阶段的筛选，将其中间尺寸制成产品。 形成沉积材料的美丽珠子并保持良好可加工性的焊剂是可以实现的。 通过上述方法。

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