Disclosed herein is an electroslag welding wire containing, by mass % based on total mass of the wire: C: more than 0% and 0.07% or less; Si: more than 0% and 0.50% or less; Mn: more than 0% and 1.0% or less; Ni: 6.0 to 15.0%; and Fe: 79% or more. The electroslag welding wire satisfies the following relationship (1): 0.150CSi/30+Mn/20+Ni/600.300 (1).

A welding flux for duplex stainless steel is used to solve the problem of insufficient penetration depth of weld formed between two jointed workpieces when workpieces with a thickness above 3 mm is joined by the TIG welding. The welding flux for duplex stainless steel includes 25-35 wt % of SiO.sub.2, 20-25 wt % of Cr.sub.2O.sub.3, 10-20 wt % of MoO.sub.3, 10-15 wt % of NiO, 5-10 wt % of FeO, 5-10 wt % of Co.sub.3O.sub.4, 5-10 wt % of MnO.sub.2 and 3-5 wt % of CuO.

A gas-shielded flux cored welding electrode comprises a ferrous metal sheath and a core within the sheath enclosing core ingredients. The core ingredients and sheath together comprise, in weight percentages based on the total weight of the core ingredients and the sheath: 0.25 to 1.50 manganese; 0.02 to 0.12 carbon; 0.003 to 0.02 boron; 0.2 to 1.5 silicon; 0 to 0.3 molybdenum; at least one of titanium, magnesium, and aluminum, wherein the total content of titanium, magnesium, and aluminum is 0.2 to 2.5; 3 to 12 titanium dioxide; at least one arc stabilizer, where the total content of arc stabilizers is 0.05 to 1.0; no greater than 10 of additional flux system components; remainder iron and incidental impurities.

A composition for use in an electronic assembly process, the composition comprising a filler dispersed in an organic medium, wherein: the organic medium comprises a polymer; the filler comprises one or more of graphene, functionalized graphene, graphene oxide, a polyhedral oligomeric silsesquioxane, graphite, a 2D material, aluminum oxide, zinc oxide, aluminum nitride, boron nitride, silver, nano fibers, carbon fibers, diamond, carbon nanotubes, silicon dioxide and metal-coated particles, and the composition comprises from 0.001 to 40 wt. % of the filler based on the total weight of the composition.

When a distance between an end portion of a brazing material and a downward extended line of a side surface of an insulating substrate is taken as a, and a distance between an end portion of a solder resist on the side of a solder and the downward extended line of the side surface of the insulating substrate is taken as b, the positional relationship a<b is satisfied. The position of the end portion of the solder is regulated by the solder resist, and the position of the end portion of the brazing material on the side of the side surface of the insulating substrate is closer to the side of the side surface of the insulating substrate than to the position of the end portion of the solder on the side of the side surface of the insulating substrate.

A welding wire for high-strength steel disclosure comprises, in terms of wt % relative to the total weight thereof, C: 0.09-0.11%, Mn: 0.2-0.4%, Si: 0.3-0.65%, Al: 0.03-0.04%, S: 0.05-0.07%, Se: 0.005-0.01%, with Fe and other impurities comprising the balance.

Provided is a flux for submerged arc welding that has good welding workability and can reduce the diffusion hydrogen content in a weld metal using either an AC or a DC welding power source. The flux includes Al.sub.2O.sub.3: 15 to 35% by mass; SiO.sub.2: 10 to 30% by mass; MgO: 10 to 25% by mass; F expressed in terms of CaF.sub.2: 10 to 25% by mass; Mn expressed in terms of MnO: 3 to 20% by mass; Na expressed in terms of Na.sub.2O and/or K expressed in terms of K.sub.2O: 0.5 to 4.5% by mass in total; Fe expressed in terms of FeO: 0.5 to 8% by mass; and CaO: 6% by mass or less. A water-soluble SiO.sub.2 in the flux is less than 1% by mass. In addition, the flux has a composition that satisfies the following formula: 0.2[Mg/O]/([Al.sub.2O.sub.3]+[MnO])0.8.

The invention relates generally to welding and, more specifically, to corrosion resistant weld deposits created during arc welding, such as Gas Metal Arc Welding (GMAW) or Flux Core Arc Welding (FCAW). A disclosed corrosion resistant weld deposit comprises nickel, chromium, and copper, and has a low porosity.

A manufacturing method of a copper bonded part in which a first copper member and a second copper member are bonded together. The first copper member and the second copper member are made of copper or a copper alloy, and at least one of the first copper member and the second copper member includes a copper porous body made of copper or a copper alloy. This manufacturing method has a bonding material disposing step S01 of disposing a bonding material between the first copper member and the second copper member, and a reduction sintering step S02 of heating and holding the first copper member, the second copper member, and the bonding material in a reducing atmosphere in a range of 600 C. or higher and 1,050 C. or lower. The bonding material contains a copper oxide or a mixture of metallic copper and the copper oxide.

The present invention provides stainless steel sheets including a Ni and O-containing coating on the surface and having excellent weld penetration characteristics and excellent crevice corrosion resistance, and provides a method for producing such stainless steel sheets.

A stainless steel sheet includes a Ni and O-containing coating on a surface of the stainless steel sheet. The Ni and O-containing coating has a coating weight of greater than or equal to 0.1 g/m.sup.2 and less than or equal to 20 g/m.sup.2. The Ni and O-containing coating has a composition including, in at. %, Ni: greater than or equal to 25% and less than or equal to 60%, and O: greater than or equal to 40% and less than or equal to 70%.