Nippon Steel Sumitomo Metal Corporation

Kabushiki Kaisha Toshiba

Nippon Steel Corporation

Aoyama Seisakusho Co., Ltd.

Occ Corporation

Namitei Co., Ltd.

Makoto Kosaka

Jun Takahashi

Yutaka Neishi

Naoki Matsui

Toshimi Tarui

Hiroaki Sakamoto

Seiki Nishida

Mitsuru Morita

Shingo Yamasaki

Hideo Kanisawa

Hirokatsu Yashiro

Toru Hanada

Nobuyuki Shimoda

Junichi Kodama

Koichi Dewa

Keisuke Chiba

Tetsushi Chida

Masatsugu Murao

Nariyasu Muroga

Hitoshi Demachi

Tamaki Suzuki

Kazuoki Shibuya

Shouichi Ohashi

Kouichi Murao

Ken Oyamada

Syunya Ikebata

Kazutaka Aoyama

Ryoko Inagaki

Nobuyuki Komiya

Kenichi Nakamura

Susumu Sahara

A rolled wire rod wherein the contents of Ti, N, and S (mass %) are respectively [Ti], [N], and [S], and, if [S]&#x2264;0.0010, [Ti] is (4.5&#xd7;[S]+3.4&#xd7;[N]) or more and (0.008+3.4&#xd7;[N]) or less, while if [S]&#x2265;0.0010, [Ti] is (4.5&#xd7;[S]+3.4&#xd7;[N]) or more and (8.0&#xd7;[S]+3.4&#xd7;[N]) or less, the internal structure is a mixed structure of ferrite and pearlite with an area ratio of a ferrite fraction of 40% or more, and a mean area of sulfides present in a range from a surface of the wire rod to a depth position D/8 from the surface of the wire rod is 6 &#x3bc;mor less, wherein D represents a diameter, in mm, in a cross-section of the wire rod at a plane including the axis of the wire rod, and a mean aspect ratio of the sulfides is 5 or less.

Rolled wire rod

A bolt is provided that has high strength and excellent hydrogen embrittlement resistance characteristics. A bolt according to an embodiment of the present invention consists of, in mass %, C: 0.32 to 0.39%, Si: 0.15% or less, Mn: 0.40 to 0.65%, P: 0.020% or less, S: 0.020% or less, Cr: 0.85 to 1.25%, Al: 0.005 to 0.060%, Ti: 0.010 to 0.050%, B: 0.0010 to 0.0030%, N: 0.0015 to 0.0080%, O: 0.0015% or less, Mo: 0 to 0.05%, V: 0 to 0.05%, Cu: 0 to 0.50%, Ni: 0 to 0.30%, and Nb: 0 to 0.05%, with the balance being Fe and impurities. The bolt satisfies Formula (1) and Formula (2), and has a tensile strength of 1000 to 1300 MPa and satisfies Formula (3).4.9&#x2264;10C+Si+2Mn+Cr+4Mo+5V&#x2264;6.1&#x2003;&#x2003;(1)Mn/Cr&#x2264;0.55&#x2003;&#x2003;(2)[dissolved Cr]/Cr&#x2265;0.70&#x2003;&#x2003;(3)

Bolt

There is provided a deformed steel wire includes, as a chemical component, by mass %; C: 0.30% to 1.10%, Si: 0.10% to 1.50%, and Mn: 0.20% to 1.50%, and the balance consists of Fe and unavoidable impurities, in which a metallographic structure is a ferrite-pearlite structure or a pearlite structure, integration degrees of a crystal orientation &#x3c;110&#x3e; in a longitudinal direction of a thickness center area and a surface area are in a range of 2.0 to 4.0, an absolute value of a difference in the integration degree between an inner surface and an outer surface of the surface area is 0.3 or less, an integration degree of a crystal orientation &#x3c;100&#x3e; in a thickness direction of the thickness center area is in a range of 1.2 to 3.8, and a dimensional accuracy index is in a range of 0.5 to 2.0.

Deformed steel wire for protection tube of submarine cable, method for manufacturing same, and pressure-resistant layer

Disclosed is a high-strength Zn&#x2014;Al coated steel wire for bridges with excellent corrosion resistance and fatigue properties, the Zn&#x2014;Al coated steel wire includes: a steel wire; and a Zn&#x2014;Al coating having a coating body layer and an Fe&#x2014;Al alloy layer formed in an interface between a surface layer of the steel wire and the coating body layer, wherein a chemical composition of a core material of the steel wire includes, by mass %: C: 0.70% to 1.2%; Si: 0.01% to 2.5%; Mn: 0.01% to 0.9%; P: limited to 0.02% or less; S: limited to 0.02% or less; N: limited to 0.01% or less; and the balance including Fe and unavoidable impurities, wherein wire-drawn pearlite is most abundant microstructure among microstructures of the core material of the steel wire; wherein an average composition of the Zn&#x2014;Al coating includes, by mass %, Al: 3.0 to 15.0%; and Fe: limited to 3.0% or less, and wherein the Fe&#x2014;Al alloy layer has a thickness of 5 &#x3bc;m or less.

High-strength Zn&#x2014;Al coated steel wire for bridges with excellent corrosion resistance and fatigue properties and method for manufacturing the same

A saw wire includes a steel wire () having a steel strand () with predetermined composition, an abrasive () fixed to the steel wire () by a fixing part (), and an intermetallic compound () on an interface between the abrasive () and the fixing part (). Tensile strength of the steel strand () is 3500 MPa or more, and the fixing part () includes a Sn-based solder containing Zn or Ag.

Saw wire

Every time a display select button is operated, an embedded controller/keyboard controller switches and controls a display select switch to switch between display data (internally processed data) for LCD display that is output from the first display controller, and display data (externally input data or processed internally processing data) for the LCD display that is output from a second display controller. The selected data is displayed on a display.

Information processing apparatus and display control method for information processing apparatus

When a PC main body wakes up, docking condition discrimination for checking if a LAN controller can be used is made. If the docking condition is satisfied, the LAN controller is set in an operative state, and the PC main body is used while being locked by a lock mechanism. When the WOL function is enabled, a signal WOLEN is activated. In this state, even when the PC main body goes to a sleep state and a signal DOCPWON is turned off, the LAN controller is kept powered. In this case, since the lock mechanism is unlocked, the user can immediately detach the PC main body from a LAN docker and can carry it to a location of his or her choice.

LAN docker unlocking system

Growing community of inventors

Tokyo, Japan

Makoto Kosaka