Abstract: A heat sealed lid includes: a resin laminate aluminum foil; and a first seamed side frame portion and a second seamed side frame portion formed of a resin film laminate metal sheet, in which the resin film laminate metal sheet includes a metal sheet, a laminate film formed on one surface of the metal sheet, and a second resin film formed on the other surface of the metal sheet and containing a thermoplastic polyester resin, the laminate film includes an adhesion layer containing a polypropylene-based resin and a polyethylene-based resin and a base layer containing a modified polypropylene-based resin, an amount of the polyethylene-based resin in the adhesion layer is 1.0 mass % or more and 45.0 mass % or less of the resins of the adhesion layer, the melting point of the second resin film is higher than the melting point of the adhesion layer by 40° C. or more and is higher than the heating temperature of a heat sealing tool, the thickness of the adhesion layer is 1.0 ?m or more and 15.

Abstract: A grain-oriented electrical steel sheet according to the present invention includes a base steel sheet having plural grooves on a surface and a glass film formed on the surface of the base steel sheet.

Abstract: A hot stamped body comprising a steel base material and an Al—Zn—Mg-based plating layer formed on a surface of the steel base material, wherein the plating layer has a predetermined chemical composition, the plating layer comprises an interfacial layer positioned at an interface with the steel base material and containing Fe and Al and a main layer positioned on the interfacial layer, the main layer comprises, by area ratio, 10.0 to 85.0% of an Mg—Zn containing phase and 15.0 to 90.0% of an Fe—Al containing phase, the Mg—Zn containing phase comprises at least one selected from the group consisting of an MgZn phase, Mg2 Zn3 phase, and MgZn2 phase, and the Fe—Al containing phase comprises at least one of an FeAl phase and Fe—Al—Zn phase and an area ratio of the Fe—Al—Zn phase in the main layer is 10.0% or less.

Abstract: A zinc-plated steel sheet of an aspect of the present invention includes a steel sheet having a predetermined chemical composition and a zinc-plated layer. In the steel sheet, steel microstructures in a range of ? thickness to ? thickness, having the center at ¼ thickness from a steel sheet surface, include, by vol %, ferrite: 0% to 10%, bainite: 0% to 20%, tempered martensite: 70% or more, fresh martensite: 0% to 10%, retained austenite: 0% to 10%, and pearlite: 0% to 5%. In the zinc-plated steel sheet, the amount of hydrogen emitted when the steel sheet is heated to 200° C. from a room temperature after removal of the zinc-plated layer is 0.40 ppm or less per mass of the steel sheet, the tensile strength is 1470 MPa or more, and no cracking occurs in a U-shape bending test where a stress equivalent to 1000 MPa is applied for 24 hours.

Abstract: In a method for producing an outer panel having a character line, a punch includes a projecting portion for forming a bent surface of the character line at a punch top portion, and a punch shoulder R portion. A contact pressure applied to a blank by at least one of the projecting portion and the punch shoulder R portion is higher than a contact pressure applied to the blank by a remaining portion of the punch which excludes the projecting portion and the punch shoulder R portion. A static friction coefficient of a first portion of the punch which includes at least one of the projecting portion and the punch shoulder R portion with respect to the blank is larger than a static friction coefficient of a second portion of the punch which excludes the first portion with respect to the blank.

Abstract: A welded rail according to an aspect of the present invention includes: a plurality of rail portions having a head portion and a web portion and having a height h; and a welded joint portion that joins the rail portions together, in which the rail portion has a predetermined chemical composition, a HAZ width of the welded joint portion is 60 mm or less, in a region of 0 to (?)×h from a head top portion outer surface in a cross section of the welded joint portion which is parallel to a longitudinal direction and an up-down direction of the welded rail and passes through a center of the welded joint portion and of ±5 mm in the longitudinal direction from a welding center, an area ratio of a martensite structure is 0.0006% or more and 0.1000% or less, and in the region, the number of martensite structures having a grain size of 20 to 200 ?m is 3 to 80.

Abstract: A plated steel including a plated layer on a surface of a steel, in which Expression 1 of 0?Cr+Ti+Ni+Co+V+Nb+Cu+Mn 0.25 and Expression 2 of 0?Sr+Sb+Pb+B+Li+Zr+Mo+W+Ag+P?0.50 are satisfied, and Expression 3 of I(MgZn2 (41.31°))/I?(MgZn2)?0.265 and Expression 6 of 0.150?{I(MgZn2 (20.79°))+I(MgZn2 (42.24°))}/I?(MgZn2) are further satisfied in an X-ray diffraction pattern of a surface of the plated layer measured using Cu-K? rays under a condition that an X-ray output is 40 kV and 150 mA.

Abstract: In a steel sheet according to the present embodiment, a Ti content and a N content satisfy Ti?3.5×N?0.003, at a sheet thickness ¼ position, a metallographic structure includes 90% or more of martensite in terms of volume fraction, at the sheet thickness ¼ position, a number density of TiC having a circle equivalent diameter of 1 to 500 nm is 3.5×104 particles/mm2 or more, at the sheet, thickness ¼ position, a value of a median value of a Mn concentration+3? is 5.00% or less, and a hardness measured at the sheet thickness ¼ position is 1.30 times or more a hardness measured at a position 50 ?m deep from a surface of the steel sheet.

Abstract: A plated steel material comprising a steel base material and an Al—Zn—Mg-based plating layer formed on a surface of the steel base material, wherein the plating layer has a predetermined chemical composition, and in a surface structure of the plating layer, there is, by area ratio, 2.0% or more of an acicular Al—Zn—Si—Ca phase.

Abstract: This steel sheet has a predetermined chemical composition, in which a steel structure of an inside of the steel sheet contains, by volume fraction, soft ferrite: 0% to 30%, retained austenite: 3% to 40%, fresh martensite: 0% to 30%, a sum of pearlite and cementite: 0% to 10%, and a remainder includes hard ferrite, a number proportion of the retained austenite having an aspect ratio of 2.0 or more in the total retained austenite is 50% or more, a soft layer having a thickness of 1 to 100 ?m from a surface in a sheet thickness direction is present, in ferrite contained in the soft layer, a volume fraction of grains having an aspect ratio of 3.0 or more is 50% or more, a volume fraction of retained austenite in the soft layer is 80% or less of the volume fraction of the retained austenite in the inside of the steel sheet, and a peak of an emission intensity at a wavelength indicating Si appears in a range of more than 0.2 ?m and 10.0 ?m or less from the surface.

Abstract: A grain-oriented electrical steel sheet includes: a chemical composition represented by, in mass %, Si: 2.0% to 5.0%, Mn: 0.03% to 0.12%, Cu: 0.10% to 1.00%, sb or Sn, or both thereof: 0.000% to 0.3% in total, Cr: 0% to 0.3%, P: 0% to 0.5%, Ni: 0% to 1%, and the balance: Fe and impurities, in which an L-direction average diameter of crystal grains observed on a surface of the steel sheet in an L direction parallel to a rolling direction is equal to or more than 3.0 times a C-direction average diameter in a C direction vertical to the rolling direction.

Abstract: Disclosed is a manufacturing method that can suppress the occurrence of wrinkles and buckling deformation due to bending when bending and cross-sectioning are performed on a tube using a press die. The manufacturing method of the present disclosure includes applying pressure to a bent tube having a curved portion from the outside of the tube to the inside of the tube using a press die, thereby simultaneously performing cross-sectioning of the curved portion and bending of the curved portion to reduce the bend radius of the curved portion.

Abstract: This coating composition for an electrical steel sheet is a coating composition for an electrical steel sheet containing an epoxy resin, a high-temperature curing agent, and inorganic fine particles, wherein a content of the high-temperature curing agent with respect to 100 parts by mass of the epoxy resin is 5 to 30 parts by mass, wherein the inorganic fine particles are one or more selected from metal hydroxides, metal oxides that react with water at 25° C. to become metal hydroxides and silicate minerals having a hydroxyl group, wherein the volume average particle diameter of the inorganic fine particles is 0.05 to 2.0 ?m, wherein a content of the epoxy resin with respect to a total mass of the coating composition for an electrical steel sheet is 45 mass % or more, and wherein a content of the inorganic fine particles with respect to 100 parts by mass of the epoxy resin is 1 to 100 parts by mass.

Abstract: Provided is a steel sheet having a predetermined chemical composition and microstructure, wherein a block size in a first depth region of 1 to 10 ?m from the surface is 5.0 ?m or less, a block size in a second depth region of 10 to 60 ?m from the surface is 6.0 to 20.0 ?m, and a block size in a third depth region of 60 ?m to 1/4 thickness from the surface is less than 6.0 ?m. Further, provided is a method for producing a steel sheet comprising a step of hot rolling a steel slab having a predetermined chemical composition, then coiling it at 500° C. or more, a step of pickling the hot rolled steel sheet to remove oxide scale, wherein an amount of removal of the surface layer of the hot rolled steel sheet is less than 5.00 ?m, a step of cold rolling by a rolling reduction of 30 to 90%, and an annealing step of holding in an atmosphere of a dew point of ?20 to 20° C. at a temperature region of 740 to 900° C. for 40 to 300 seconds.

Abstract: A columnar member able to absorb more energy at the time of collision without an accompanying increase in weight, that is, a columnar member 100 having at least a top plate 12 and two vertical walls 14, 16 connected to the top plate 12 at ridge parts 15 at both side edges 12a, 12b of the top plate and extending along the ridge parts 15, which columnar member having a bend inducing part 22 at least at part of the top plate 12 and having soft parts 14b, 16b at the two vertical walls 14, 16 at positions adjoining the ridge parts 15 and corresponding to the bend inducing part 22 in a direction of extension of the columnar member 100, the bend inducing part 22 being a part with a strength lower than the parts adjoining the bend inducing part 22 at the top plate 12, the soft parts 14b, 16b being parts with yield strengths lower than the parts adjoining the soft parts 14b, 16b at the vertical walls 14, 16, maximum lengths of the soft parts 14b, 16b in the direction of extension of the columnar member 100 being 0.

Abstract: This hot stamping member is a hot stamping member including a base material and a plating layer provided on the base material, in which the plating layer has a Ni-rich region, an Al-rich region and an Fe-rich region in this order from a surface of the plating layer, in a region from the surface of the plating layer to a 100 nm position in the thickness direction from the surface of the plating layer, Ni and Fe satisfy predetermined contents, in a region from the 100 nm position in the thickness direction from the surface of the plating layer to a 500 nm position in the thickness direction from the surface of the plating layer, Ni and Fe satisfy predetermined contents, and, in a region from the 500 nm position in the thickness direction from the surface of the plating layer to a 1000 nm position in the thickness direction from the surface of the plating layer, Ni and Fe satisfy predetermined contents.

Abstract: Provided is a steel sheet having a predetermined chemical composition, wherein precipitates having a diameter of less than 0.1 ?m are present in a number density of 10 to 200/?m2 in a depth region of 1 to 10 ?m from a surface, an amount of dissolved C in a depth region of 10 to 60 ?m from the surface is less than 0.20 mass %, and a tensile strength is 1200 MPa or more. Further, provided is a method for producing a steel sheet comprising a step of hot rolling a steel slab having a predetermined chemical composition, then coiling it at 580° C. or less, a step of pickling the hot rolled steel sheet to remove oxide scale and remove the surface layer of the hot rolled steel sheet down to at least 5 ?m, and a step of cold rolling the hot rolled steel sheet, then holding it in an atmosphere of a dew point of ?20 to 20° C. at a temperature region of 200 to 400° C. for 20 to 180 seconds and holding it at a temperature region of 740 to 900° C. for 40 to 300 seconds.

Abstract: There is provided a sintered friction material for railway vehicles that has excellent frictional properties and wear resistance even in a high speed range of 280 km/hour or more. The sintered friction material for railway vehicles is a green compact sintered material containing, in mass %, Cu: 50.0 to 75.0%, graphite: 5.0 to 15.0%, one or more selected from the group consisting of magnesia, zircon sand, silica, zirconia, mullite, and silicon nitride: 1.5 to 15.0%, one or more selected from the group consisting of W and Mo: 3.0 to 30.0%, and one or more selected from the group consisting of ferrochromium, ferrotungsten, ferromolybdenum, and stainless steel: 2.0 to 20.0%, with the balance being impurities.

Abstract: Provided is an automobile door (600) including: an exterior material (110); a first impact absorbing member (122); and a second impact absorbing member (124), in which the first impact absorbing member (122) is disposed to traverse the exterior material (110) so as to extend between both end portion regions in a vehicle height direction, the first impact absorbing member (122) is disposed on a vehicle interior side from the second impact absorbing member (124), the second impact absorbing member (124) is disposed to traverse the exterior material (110) so as to extend between both end portion regions in a vehicle length direction, the second impact absorbing member (124) is disposed adjacent to an inner surface of the exterior material (110), and at a portion excluding both of the end portion regions in the vehicle height direction, both of the end portion regions in the vehicle length direction, and an intersection portion, bending rigidity in a vehicle width direction of a cross section perpendicular to an

Abstract: To provide a Sn-based plated steel sheet capable of exhibiting superior corrosion resistance, yellowing resistance, coating film adhesiveness, and sulphide stain resistance without using a chromate film. A Sn-based plated steel sheet of the present invention includes: a steel sheet; a Sn-based plating layer located on at least one surface of the steel sheet; and a coating layer located on the Sn-based plating layer, wherein the Sn-based plating layer contains 1.0 g/m2 to 15.0 g/m2 of Sn per side in terms of metal Sn, the coating layer contains zirconium oxide, and a content of the zirconium oxide is 1.0 mg/m2 to 10.0 mg/m2 per side in terms of metal Zr, the zirconium oxide includes zirconium oxide with an amorphous structure, and a crystalline layer whose main component is zirconium oxide with a crystalline structure is present on an upper layer of the zirconium oxide with the amorphous structure.