C23C2/36

Non-magnetic stainless steel wire as an armouring wire for power cables

A non-magnetic stainless steel wire with an adherent corrosion resistant coating is disclosed. The surface of the non-magnetic stainless steel is pre-treated so as to be sufficiently free from oxides and form a good adhesion with the above corrosion resistant coating. The non-magnetic stainless steel wire is used as a armoring wire for a power cable for transmitting electrical power.

High-strength hot-rolled steel sheet having excellent local deformability and manufacturing method thereof

This high-strength hot-rolled steel sheet having excellent local deformability contains, in mass %, C: 0.07% to 0.20%; Si: 0.001% to 2.5%; Mn: 0.01% to 4.0%; P: 0.001% to 0.15%; S: 0.0005% to 0.03%; Al: 0.001% to 2.0%; N: 0.0005% to 0.01%; and O: 0.0005% to 0.01%; and a balance being composed of iron and inevitable impurities, in which an area ratio of bainite in a metal structure is 95% or more, at a sheet thickness center portion being a range of to in sheet thickness from the surface of the steel sheet, an average value of pole densities of the {100}<011> to {223}<110> orientation group is 4.0 or less, and a pole density of the {332}<113> crystal orientation is 5.0 or less, and a mean volume diameter of crystal grains in the metal structure is 10 m or less.

High-strength hot-rolled steel sheet having excellent local deformability and manufacturing method thereof

This high-strength hot-rolled steel sheet having excellent local deformability contains, in mass %, C: 0.07% to 0.20%; Si: 0.001% to 2.5%; Mn: 0.01% to 4.0%; P: 0.001% to 0.15%; S: 0.0005% to 0.03%; Al: 0.001% to 2.0%; N: 0.0005% to 0.01%; and O: 0.0005% to 0.01%; and a balance being composed of iron and inevitable impurities, in which an area ratio of bainite in a metal structure is 95% or more, at a sheet thickness center portion being a range of to in sheet thickness from the surface of the steel sheet, an average value of pole densities of the {100}<011> to {223}<110> orientation group is 4.0 or less, and a pole density of the {332}<113> crystal orientation is 5.0 or less, and a mean volume diameter of crystal grains in the metal structure is 10 m or less.

Device for coating thin molten solder film, thin solder film-covered component and manufacturing method therefor

A hot-dip plating apparatus for plating a thin molten solder film can control a film thickness of a molten solder on a base material evenly and in increments of a few m and achieve a thin-film solder plating having a film thickness less than a conventional system. As shown in FIG. 1, this apparatus comprises a solder bath 17 of accommodating the molten solder 7; a second conveying section 23 for drawing up a strip member 31 from the solder bath; and a blower section 19 for blowing hot gas on the strip member 31 immediately after being drawn up from the solder bath by a second conveying section 23; the hot gas having a predetermined flow volume and a predetermined temperature equal to or higher than a melting temperature of the molten solder 7. According to this configuration, the excess molten solder 7 can be trimmed from the strip member 31 corresponding to composition of the molten solder 7. Thus, the film thickness of the molten solder 7 coated on the strip member 31 can be controlled evenly and in increments of a few m.

Device for coating thin molten solder film, thin solder film-covered component and manufacturing method therefor

A hot-dip plating apparatus for plating a thin molten solder film can control a film thickness of a molten solder on a base material evenly and in increments of a few m and achieve a thin-film solder plating having a film thickness less than a conventional system. As shown in FIG. 1, this apparatus comprises a solder bath 17 of accommodating the molten solder 7; a second conveying section 23 for drawing up a strip member 31 from the solder bath; and a blower section 19 for blowing hot gas on the strip member 31 immediately after being drawn up from the solder bath by a second conveying section 23; the hot gas having a predetermined flow volume and a predetermined temperature equal to or higher than a melting temperature of the molten solder 7. According to this configuration, the excess molten solder 7 can be trimmed from the strip member 31 corresponding to composition of the molten solder 7. Thus, the film thickness of the molten solder 7 coated on the strip member 31 can be controlled evenly and in increments of a few m.

Air skive with vapor injection

A web transport system for transporting a web of media along a web transport path in an in-track direction, including a liquid application system for applying a liquid to at least one surface of the web of media. An air skive is positioned along the web transport path downstream of the liquid application system, wherein the air skive directs one or more streams of air onto the web of media thereby removing at least some of the liquid that is being carried along with the web of media. A vapor source adds a vapor into the one or more streams of air provided by the air skive before the one or more streams of air are directed onto the web of media.

Air skive with vapor injection

A web transport system for transporting a web of media along a web transport path in an in-track direction, including a liquid application system for applying a liquid to at least one surface of the web of media. An air skive is positioned along the web transport path downstream of the liquid application system, wherein the air skive directs one or more streams of air onto the web of media thereby removing at least some of the liquid that is being carried along with the web of media. A vapor source adds a vapor into the one or more streams of air provided by the air skive before the one or more streams of air are directed onto the web of media.

Hot-dip galvanized steel sheets and galvannealed steel sheets that have good appearance and adhesion to coating and methods for producing the same (as amended)

A hot-dip galvanized steel sheet having a good appearance and good adhesion to a coating, the hot-dip galvanized steel sheet having a composition containing, on a mass basis: C: 0.08% or more and less than 0.20%, Si: 0.1% to 3.0%, Mn: 0.5% to 3.0%, P: 0.001% to 0.10%, Al: 0.01% to 3.00%, and S: 0.200% or less, a remainder being Fe and incidental impurities, wherein the hot-dip galvanized steel sheet includes an internal oxidation layer and a decarburized layer, the internal oxidation layer having a thickness of 5 m or less, the decarburized layer having a thickness of 20 m or less, and 50% or more by area of the internal oxidation layer is composed of a Si oxide containing Fe and/or Mn represented by Fe.sub.2XMn.sub.2-2XSiO.sub.Y, wherein X ranges from 0 to 1, and Y is 3 or 4.

Hot-dip galvanized steel sheets and galvannealed steel sheets that have good appearance and adhesion to coating and methods for producing the same (as amended)

A hot-dip galvanized steel sheet having a good appearance and good adhesion to a coating, the hot-dip galvanized steel sheet having a composition containing, on a mass basis: C: 0.08% or more and less than 0.20%, Si: 0.1% to 3.0%, Mn: 0.5% to 3.0%, P: 0.001% to 0.10%, Al: 0.01% to 3.00%, and S: 0.200% or less, a remainder being Fe and incidental impurities, wherein the hot-dip galvanized steel sheet includes an internal oxidation layer and a decarburized layer, the internal oxidation layer having a thickness of 5 m or less, the decarburized layer having a thickness of 20 m or less, and 50% or more by area of the internal oxidation layer is composed of a Si oxide containing Fe and/or Mn represented by Fe.sub.2XMn.sub.2-2XSiO.sub.Y, wherein X ranges from 0 to 1, and Y is 3 or 4.

HIGH-STRENGTH GALVANIZED STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
20180030565 · 2018-02-01 · ·

A high-strength galvanized steel sheet having a chemical composition containing, by mass %, C: 0.07% to 0.25%, Si: 0.01% to 3.00%, Mn: 1.5% to 4.0%, P: 0.100% or less, S: 0.02% or less, Al: 0.01% to 1.50%, N: 0.001% to 0.008%, Ti: 0.003% to 0.200%, B: 0.0003% to 0.0050%, and the balance being Fe and inevitable impurities, in which the relationship Ti>4N is satisfied, and a microstructure including, in terms of area ratio in a cross section located at of the thickness from the surface of a base steel sheet, a ferrite phase in an amount of 70% or less (including 0%), a bainite phase in an amount of 20% or less (including 0%), a martensite phase in an amount of 25% or more, and a retained austenite phase in an amount of less than 3% (including 0%), in which the average crystal grain diameter of the martensite phase is 20 m or less, and in which a variation in the Vickers hardness of the martensite phase is 20 or less in terms of standard deviation, as well as a method for manufacturing the steel sheet, is disclosed.