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Nucor (NUE)

Utility
Material Handling Tool
12 May 22
A material handling tool having a support member, a magnet, a magnet control, a power source, and a magnet coupling.
Eric Ray Rayburn
Filed: 12 Nov 20
Utility
System for On-site Tracking, Managing, Planning and Staging Construction Projects
5 May 22
A construction management system allows a user to capture an item identifier from an item (e.g., shipment, group of components, and/or one or more components) using a mobile device.
Timothy Michael Schwartz
Filed: 18 Jan 22
Utility
Aluminum-free steel alloys and methods for making the same
29 Mar 22
Disclosed herein are TRIP (transformation induced plasticity) steel alloy thin metal strips or, stated differently, high strength, high ductility steel alloy thin metal strips formed of a composition described herein, being substantially free or free of aluminum.
Daniel Morye Field, David C. Van Aken
Filed: 24 Apr 19
Utility
Electrical Steel Processing without a Post Cold-rolling Intermediate Anneal
24 Mar 22
Embodiments of the present invention comprise; annealing steel sheets (e.g., hot rolled steel sheets or thin cast strip steel); cold rolling the sheets in one or more cold rolling steps (e.g., with annealing steps between multiple cold rolling steps); and performing one or more of tension leveling, a rough rolling, or a coating process on the sheets after cold rolling, without an intermediate annealing step between the final cold rolling step and the tension leveling, the rough rolling, or the coating process, or the customer stamping or final customer annealing.
Theodore E. Hill, Eric E. Gallo
Filed: 7 Dec 21
Utility
System for on-site tracking, managing, planning and staging construction projects
22 Feb 22
A construction management system allows a user to capture an item identifier from an item (e.g., shipment, group of components, and/or one or more components) using a mobile device.
Timothy Michael Schwartz
Filed: 2 May 18
Utility
System for on-site tracking, managing, planning and staging construction projects
15 Feb 22
A construction management system allows a user to capture an item identifier from an item (e.g., shipment, group of components, and/or one or more components) using a mobile device.
Timothy Michael Schwartz
Filed: 2 May 18
Utility
Hot rolled light-gauge martensitic steel sheet and method for making the same
18 Jan 22
A hot rolled light-gauge martensitic steel sheet made by the steps comprising: (a) preparing a molten steel melt comprising: (i) by weight, between 0.20% and 0.35% carbon, less than 1.0% chromium, between 0.7% and 2.0% manganese, between 0.10% and 0.50% silicon, between 0.1% and 1.0% copper, less than 0.05% niobium, less than 0.5% molybdenum, and silicon killed containing less than 0.01% aluminum, and (ii) the remainder iron and impurities resulting from melting; (b) solidifying at a heat flux greater than 10.0 MW/m2 and cooling the molten melt into a steel sheet less than 2.0 mm in thickness in a non-oxidizing atmosphere to below 1080° C. and above Ar3 temperature at a cooling rate greater than 15° C./s; and (c) hot rolling the steel sheet to between 15% and 50% reduction and rapidly cooling.
James W. Watson, Paul Kelly, David C. Van Aken, Christopher Ronald Killmore
Filed: 18 Dec 15
Utility
Electrical steel processing without a post cold-rolling intermediate anneal
11 Jan 22
Embodiments of the present invention comprise; annealing steel sheets (e.g., hot rolled steel sheets or thin cast strip steel); cold rolling the sheets in one or more cold rolling steps (e.g., with annealing steps between multiple cold rolling steps); and performing one or more of tension leveling, a rough rolling, or a coating process on the sheets after cold rolling, without an intermediate annealing step between the final cold rolling step and the tension leveling, the rough rolling, or the coating process, or the customer stamping or final customer annealing.
Theodore E. Hill, Eric E. Gallo
Filed: 22 Mar 19
Utility
Nitriding of niobium steel and product made thereby
7 Dec 21
A nitrided steel product or thin cast steel strip comprising, by weight, less than 0.25% carbon, between 0.20 and 2.0% manganese, between 0.05 and 0.50% silicon, less than 0.01% aluminum, niobium between 0.01 and about 0.20%, and between 0.01 and 0.075% nitrogen, and having a majority of the microstructure comprised of bainite and acicular ferrite, having more than 70% niobium in solid solution prior to nitriding and having yield strength between 650 MPa and 800 MPa and tensile strength between 750 MPa and 900 MPa.
Yuxuan Xie, Chen Zhu, Julie M. Cairney, Simon P. Ringer, Christopher R. Killmore, Frank Barbaro, James Williams
Filed: 28 Nov 18
Utility
High strength, hot dip coated, dual phase, steel sheet and method of manufacturing same
26 Oct 21
A galvanized dual phase steel sheet with a martensite phase and a ferrite phase and a composition containing within the following ranges by weight: carbon from about 0.01% to about 0.18%; manganese from about 0.2% to about 3%; silicon≤about 1.2%; aluminum from about 0.01% to about 0.1%; one or both of chromium and nickel from about 0.1% to about 3.5%; calcium from about 0.0003% to about 0.01%; phosphorus≤about 0.1%; sulfur≤about 0.03%; nitrogen≤about 0.02%; molybdenum≤about 1%; one or more of niobium and titanium≤about 1%; and boron≤about 0.006% by weight; and with the balance of the composition being iron and incidental ingredients.
Weiping Sun
Filed: 2 Oct 11
Utility
Shroud for billet casting
19 Oct 21
Methods of billet casting are provided herein.
David J. Sosinsky, Marcie M. Hinker
Filed: 15 Oct 19
Utility
Method for casting metal strip with edge control
19 Oct 21
Systems and apparatus for continuously casting thin strip where one or more expansion rings are positioned within at least one of a pair of casting rolls, and automatically measuring a thickness of the cast strip close to the first side edge of the strip using at least one sensor.
Robert Nooning, Jr., Harold Bradley Rees, Jeffery Edward Keffer
Filed: 23 Jun 20
Utility
Iterative learning control for periodic disturbances in twin-roll strip casting with measurement delay
5 Oct 21
A twin roll casting system where the casting rolls have a nip between the casting rolls, each roller having a circumference and a rotational period.
Florian Maurice Browne, III, George T. C. Chiu, Neera Jain Sundaram, Harold Bradley Rees
Filed: 16 Sep 19
Utility
Insulated Roof Systems, Support Members Thereof, and Method of Installing
30 Sep 21
Support members for a roof system are provided to allow for positioning panels of a roof apart from building members so that building components, such as insulation may be placed between the roof panels and the building members.
Brian K. Cluck
Filed: 18 Mar 21
Utility
Method for Altering Casting Roll Profile with the Alteration of Localized Temperature
5 Aug 21
An apparatus for continuously casting thin strip comprises a pair of internally cooled counter-rotatable casting rolls having casting surfaces, the pair of casting rolls laterally positioned to form a gap at a nip between the casting rolls through which a thin metal strip can be cast, where the casting surface of each casting roll has a roll profile extending in an axial direction of the corresponding casting roll; a metal delivery system adapted to deliver molten metal above the nip to form a casting pool; and a temperature altering source external to the casting roll and having one or more zones configured to alter the casting roll profile of at least one of the pair of casting rolls by locally heating or cooling the casting roll.
Robert G. NOONING, Jr., Wilhelm SCHMITZ, Roland SELLGER, Ulrich ALBRECHT-FRUEH
Filed: 9 May 19
Utility
Multiphase Ultra-high Strength Hot Rolled Steel
1 Jul 21
A hot rolled, ultra-high strength, complex metallographic structured or multi-phase structured steel that improves formability during stamping or forming process, while possessing one or more of the following properties: excellent castability, rollability and coatability, excellent structural performance, excellent stretch formability, excellent stretch flangeability, excellent dent resistance, excellent durability, excellent impact performance, excellent intrusion and crash resistance without the purposeful addition of boron.
Weiping Sun
Filed: 15 Mar 21
Utility
Manufacture of low carbon steel
29 Jun 21
Embodiments include a method of making steel with low carbon content which includes preparing a heat of molten steel composition in a steelmaking furnace to a tapping temperature ranging from 2912 to 3060 degrees F. and tapping into a ladle the molten steel composition having an oxygen level is about 700 to 1000 ppm.
David J. Sosinsky, Dustin E. Smith
Filed: 23 Aug 18
Utility
Method of thin strip casting
8 Jun 21
An apparatus for continuous casting a metal strip and reducing snake eggs in the metal strip.
Mark Schlichting, Volus McKenna, Alan Deno, James M. Thomas, Philippe Maurice Fettig, Harold Bradley Rees, Nick Corea, Michael Ponder
Filed: 10 Aug 17
Utility
Method of manufacture of multiphase, hot-rolled ultra-high strength steel
1 Jun 21
A hot rolled, ultra-high strength, complex metallographic structured or multi-phase structured steel that improves formability during stamping or forming process, while possessing one or more of the following properties: excellent castability, rollability and coatability, excellent structural performance, excellent stretch formability, excellent stretch flangeability, excellent dent resistance, excellent durability, excellent impact performance, excellent intrusion and crash resistance without the purposeful addition of boron.
Weiping Sun
Filed: 3 Nov 17
Utility
Multiphase, Cold-rolled Ultra-high Strength Steel
27 May 21
A cold-rolled ultra-high strength, multi-phase structured steel is disclosed with improved stamping and forming performance during manufacturing processes, while possessing one or more of the following properties: excellent castability and rollability, excellent galvanizability and/or coatability, excellent formability, excellent fracture resistance, excellent stretch formability and stretch flangeability, excellent dent resistance, excellent durability, excellent impact performance and structural performance, excellent intrusion and crash resistance, and excellent weldability, without the purposeful addition of boron.
Weiping Sun
Filed: 5 Feb 21
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