Abstract: Provided are a stainless steel sheet with good corrosion resistance, low contact resistance and good press workability without the use of expensive materials such as gold or rare metals, and a method of manufacture the same. A method of manufacturing a stainless steel sheet includes: preparing a slab having a chemical composition including, in mass %: 20 to 26% Cr, up to 0.1% N, up to 2.0% Si, etc. (step S1); performing hot rolling and cold rolling on the slab to produce a rolled steel sheet with a thickness of 50 to 200 ?m (step S2); an annealing step in which the rolled steel sheet is annealed and cooled in a gas atmosphere containing nitrogen (step S3); and pickling the rolled steel sheet after the annealing step with a solution containing a non-oxidizing acid (step S4). The stainless steel sheet has an N content of 0.6 to 2.0% by mass.

Abstract: A process for manufacturing a press hardened steel part is provided. The steel of the part has a chemical composition including, in weight: 0.062%?C?0.095%, 1.4%?Mn?1.9%, 0.2%?Si?0.5%, 0.020%?Al?0.070%, 0.02%?Cr?0.1%, wherein: 1.5%?(C+Mn+Si+Cr)?2.7%, 0.040%?Nb?0.060%, 3.4×N?Ti?8×N wherein: 0.044%?(Nb+Ti)?0.090%, 0.0005?B?0.004%, 0.001%?N?0.009%, 0.0005%?S?0.003%, 0.001%?P?0.020%, optionally: 0.0001%?Ca?0.003%, and the remainder being Fe and unavoidable impurities. The process includes hot forming the heated blank in the forming press so as to obtain a formed part and cooling the formed part at a cooling rate CR1 between 40 and 360°C/s in a temperature range from 750 to 450°C. and at a cooling rate CR2 between 15 to 150°C/s in a temperature range from 450°C to 250°C. wherein CR2<CR1.

Abstract: The invention relates to a highly heat conductive valve seat ring (1) comprising a carrier layer (2) and a functional layer (3), wherein the carrier layer (2) consists of a solidified copper matrix containing 0.10 to 20% w/w of a solidifying component and the functional layer (3) consists of a solidified copper matrix which further contains, based on the copper matrix, 5 to 35% w/w of one or more hard phases.

Abstract: A non-oriented electric steel sheet includes 2.5 wt % to 3.1 wt % of Si, 0.1 wt % to 1.3 wt % of Al, 0.2 wt % to 1.5 wt % of Mn, 0.008 wt % or less of C (excluding 0 wt %), 0.005 wt % or less of S (excluding 0 wt %), 0.005 wt % or less of N (excluding 0 wt %), 0.005 wt % or less of Ti (excluding 0 wt %), 0.001 wt % to 0.07 wt % of Mo, 0.001 wt % to 0.07 wt % of P, 0.001 wt % to 0.07 wt % of Sn, and 0.001 wt % to 0.07 wt % of Sb, in which a remainder includes Fe and inevitable impurities, an average crystal grain diameter is 70 ?m to 150 ?m, the non-oriented electric steel sheet satisfies Equations (1) and (2), 0.32?([Al]+[Mn])/[Si]?0.5??[Equation 1] 0.025?[Mo]+[P]+[Sn]+[Sb]?0.15??[Equation 2] (here, a bracket denotes the contents (wt %) of each element).

Abstract: The invention relates to a method for the open-loop and/or closed-loop control of a heating of a cast or rolled metal product, comprising the following steps: —determining the total enthalpy of the metal product from a total of the free molar enthalpies (Gibbs free energy) of all phases and/or phase fractions currently present in the metal product; —determining a temperature distribution within the metal product by means of a dynamic temperature calculation model by using the determined total enthalpy; and —open-loop and/or closed-loop controlling of the heating of the metal product according to at least one initial variable of the temperature calculation model.

Abstract: Embodiments of an iron-based coating configured to be thermally sprayed are disclosed. The iron-based coatings can be fully readable, thus allowing for thickness measurements to be performed on the coating with standard magnetic measuring equipment. Further, the iron-based coating can have advantageous properties, such as high hardness, high wear resistance, and high adhesion strength.

Abstract: The present invention provides a steel material which is excellent in both of the strength (particularly, fatigue strength) and the manufacturability (particularly, bending straightening properties), and thus can be used as an automobile component such as a crankshaft by being formed into a product shape, being subjected to a high strength treatment such as a nitrocarburizing treatment, and then being subjected to the bending straightening.

Abstract: A magnetic disk substrate is composed of an aluminum alloy substrate, a base plating layer on a surface of the aluminum alloy substrate, and a boundary region between the aluminum alloy substrate and the base plating layer. The boundary region includes a specific boundary region (D(1)I(50-84)) having Al emission intensities equal to 50% to 84% of an average Al emission intensity in an interior region of the aluminum alloy substrate in glow discharge optical emission spectroscopy in the depthwise direction from the surface of the magnetic disk substrate. The specific boundary region (D(1)I(50-84)) has a maximum Fe emission intensity (I(1)Fe(max)) higher than an average Fe emission intensity (I(1)Fe(ave)) in the interior region of the aluminum alloy substrate in the glow discharge optical emission spectroscopy.

Abstract: Provided herein is a high strength seamless stainless steel pipe. A method for producing such a high strength seamless stainless steel pipe is also provided. The high strength seamless stainless steel pipe has a certain composition. The high strength seamless stainless steel pipe has a structure that includes a tempered martensite phase as a primary phase, and 20 to 40% ferrite phase, and at most 25% residual austenite phase in terms of a volume fraction, and in which C, Cr, Ni, Mo, Nb, N, W, and Cu in the residual austenite phase satisfy a predetermined formula.

Abstract: Manufacturing a hard-metal pressed article includes providing a multi-part die, feeding at least one frontal mold part, feeding at least one transverse mold and locking the at least one frontal mold part and the at least one transverse mold part to define a cavity for the article. Feed directions of the at least one frontal mold part and the at least one transverse mold part are inclined. The at least one frontal mold part and the at least one transverse mold part define surfaces of the article. The resulting cavity includes at least one opening through which a punch is insertable. Next, a filling shoe is fed above an opening of the cavity and fills the cavity with a powder, and the powder is compressed with at least one punch. The feeding of the transverse mold part takes place along a feed direction that is parallel to the main pressing direction.

Abstract: A process for producing grain-oriented electrical steel strip by means of thin slab continuous casting and which includes continuously casting the smelt by thin slab continuous casting, subjecting the thin slabs to homogenization annealing at a maximum temperature of 1250° C. and heating to a temperature between 1350° C. and 1380° C., and continuously hot rolling the thin slabs to form a hot-rolled strip, with cooling and reeling the hot-rolled strip to form a coil and cold rolling the hot-rolled strip to a nominal thickness, with subjecting the cold-rolled strip to recrystallization, decarburization and nitridation annealing, which includes a decarburization annealing phase and a subsequent nitridation annealing phase, with an intermediate reduction annealing phase being interposed between the decarburization annealing phase and the nitridation annealing phase, whereby a cold-rolled strip is obtained, which primary recrystallized grains have a circle equivalent mean size (diameter) between 22 ?m and 25 ?m.

Abstract: A steel sheet has a specific chemical composition and has a structure represented by, by area ratio, ferrite: 30 to 95%, and bainite: 5 to 70%. When a region that is surrounded by a grain boundary having a misorientation of 15° or more and has a circle-equivalent diameter of 0.3 ?m or more is defined as a crystal grain, the proportion of crystal grains each having an intragranular misorientation of 5 to 14° to all crystal grains is 20 to 100% by area ratio. An average aspect ratio of ellipses equivalent to the crystal grains is 5 or less. An average distribution density of the total of Ti-based carbides and Nb-based carbides each having a grain size of 20 nm or more on ferrite grain boundaries is 10 carbides/?m or less.

Abstract: A non-oriented electrical steel sheet according to one embodiment of the present invention comprises, by weight, 1.0% to 4.0% of Si, 0.001% to 0.01% of Al, 0.002% to 0.009% of S, 0.01% to 0.3% of Mn, 0.001% to 0.004% of N, 0.004% or less (0% exclusive) of C, 0.003% or less (0% exclusive) of Ti, 0.005% to 0.07% of Cu, 0.05% to 0.2% of either or both of Sn and P, and a balance amount of Fe and impurities.

Abstract: A steel sheet has a specific chemical composition and has a structure represented by, by area ratio, ferrite: 0 to 30%, and bainite: 70 to 100%. When a region that is surrounded by a grain boundary having a misorientation of 15° or more and has a circle-equivalent diameter of 0.3 ?m or more is defined as a crystal grain, the proportion of crystal grains each having an intragranular misorientation of 5 to 14° to all crystal grains is 20 to 100% by area ratio. A grain boundary number density of solid-solution C or a grain boundary number density of the total of solid-solution C and solid-solution B is 1 piece/nm2 or more and 4.5 pieces/nm2 or less. An average grain size of cementite precipitated at grain boundaries is 2 ?m or less.

Abstract: A steel constituting a chisel according to the present invention includes: 0.40-0.45% by mass of carbon, 0.50-0.80% by mass of silicon, 1.00-1.30% by mass of manganese, 0.001-0.005% by mass of sulfur, 2.90-3.80% by mass of chromium, and 0.20-0.40% by mass of molybdenum, with a balance consisting of iron and an unavoidable impurity, the steel has an ideal critical diameter DI defined by Equation (1) of 600 or more: DI=7·(% C)1/2·(1+0.64·% Si)·(1+4.1·% Mn)·(1+2.83·% P)·(1?0.62·% S)·(1+2.33·% Cr)·(1+3.14·% Mo)??(1).

Abstract: A solder alloy has an alloy composition consisting of, in mass %, Ag: from 3.2 to 3.8%, Cu: from 0.6 to 0.8%, Ni: from 0.01 to 0.2%, Sb: from 2 to 5.5%, Bi: from 1.5 to 5.5%, Co: from 0.001 to 0.1%, Ge: from 0.001 to 0.1%, and optionally at least one of Mg, Ti, Cr, Mn, Fe, Ga, Zr, Nb, Pd, Pt, Au, La and Ce: 0.1% or less in total, with the balance being Sn. The alloy composition satisfies the following relationship (1): 2.93?{(Ge/Sn)+(Bi/Ge)}×(Bi/Sn) (1). In the relationship (1), each of Sn, Ge, and Bi represents the content (mass %) in the alloy composition.

Abstract: A hot-rolled or cold-rolled steel plate having a composition including, in weight percent: 0.6%?C?0.9%; 17%?Mn?22%; 0.2%?Al?0.9%; 0.2%?Si?1.1%; with 0.85%?Al+Si?1.6%; 1.2%?Cu?1.7%; S?0.030%; P?0.080%; N?0.1%; 0<Nb?0.25%; 0<V?0.5%; 0<Ti?0.5%; 0<Ni?2%; trace amounts ?Cr?2% and B?0.010% is provided. A remainder of the composition includes iron and impurities resulting from production of the steel plate. A method for manufacturing a steel plate and use of the steel plate in the automotive industry is also provided.

Abstract: A Cu—Al—Mn-based alloy material (1) having a composition comprising: given contents of Al and Mn, and a given total content of at least one selected from Ni and the like; with the balance being Cu and unavoidable impurities, wherein the alloy material has a shape elongated in the working direction (RD), wherein a grain length ax in the RD is R/2 or less to the width or diameter (R), a grain length bx in a direction perpendicular to the RD is R/4 or less, and the amount of grains X (2) is 15% or less, and wherein a grain length a in the RD and a grain length b in the direction perpendicular to the RD satisfy: a?b, and an angle formed by the normal line of the (111) plane and the RD is 15° or larger, the amount of grains Y? (3) is 85% or more.

Abstract: Described herein is a metal alloy comprising 50% to 60% by weight gold, 20% to 40% by weight palladium, and 0.1% to 24% by weight silver. Further, the metal alloy disclosed has a grey gold hue. Also described is an item of jewelry of the disclosed metal alloy.

Abstract: Provided is a cold-rolled steel sheet manufactured by a cold-rolled steel sheet manufacturing method comprising a continuous annealing step, which has a composition comprising, by weight %: C: 0.1-0.15%; Si: 0.2% or less (including 0%); Mn: 2.3-3.0%; P: 0.001-0.10%; S: 0.010% or less (including 0%); Sol.Al: 0.01-0.10%; N: 0.010% or less (excluding 0%); Cr: 0.3-0.9%; B: 0.0010-0.0030%; Ti: 0.01-0.03%; Nb:0.01-0.03%; the balance being Fe and other impurities, and satisfies following relationship 1. [relationship 1] 1650?5541.4C+239Mn+169.1Cr+0.74SS-1.36RCS?1688, in which microstructure comprises, in area %, at least 90% of martensite and tempered martensite; and 10% or less of ferrite and bainite, in which the fraction of the tempered martensite in the martensite and the tempered martensite is 90% or more, in area %, and the ratio (b/a) of the C+Mn concentration (a) in the martensite to the C+Mn concentration (b) in the ferrite and the bainite is 0.65 or more.