US 12,420,335 B2
Low-carbon granulated metallic units
John Francis Quanci, Haddonfield, NJ (US); John Michael Richardson, Devon, PA (US); Patrick James Mullarkey, Manhattan, IL (US); David James Schwake, Aurora, IL (US); Andrew Michael Butor, Cranberry Township, PA (US); Jonathan Hale Perkins, Lisle, IL (US); and Chun Wai Choi, Lisle, IL (US)
Assigned to SUNCOKE TECHNOLOGY AND DEVELOPMENT LLC, Lisle, IL (US)
Filed by SUNCOKE TECHNOLOGY AND DEVELOPMENT LLC, Lisle, IL (US)
Filed on Sep. 11, 2024, as Appl. No. 18/882,256.
Claims priority of provisional application 63/581,946, filed on Sep. 11, 2023.
Prior Publication US 2025/0083224 A1, Mar. 13, 2025
This patent is subject to a terminal disclaimer.
Int. Cl. B22F 1/05 (2022.01); B22D 41/12 (2006.01); B22F 9/04 (2006.01); B22F 9/08 (2006.01); B61D 7/02 (2006.01); B61D 7/32 (2006.01); B61D 17/18 (2006.01); B61K 13/00 (2006.01); C02F 1/52 (2023.01); C21B 5/00 (2006.01); C21B 7/14 (2006.01); C21B 13/00 (2006.01); C21C 5/52 (2006.01); C21C 7/00 (2006.01); C21C 7/064 (2006.01); C21C 7/068 (2006.01); C22C 33/00 (2006.01); C22C 33/02 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); G01G 13/00 (2006.01); B22F 9/00 (2006.01); B61D 7/00 (2006.01); C02F 101/20 (2006.01); C02F 103/02 (2006.01); C02F 103/10 (2006.01); C02F 103/16 (2006.01)
CPC B22F 1/05 (2022.01) [B22D 41/12 (2013.01); B22F 9/04 (2013.01); B22F 9/08 (2013.01); B61D 7/02 (2013.01); B61D 7/32 (2013.01); B61D 17/18 (2013.01); B61K 13/00 (2013.01); C02F 1/52 (2013.01); C21B 5/008 (2013.01); C21B 7/14 (2013.01); C21B 13/0006 (2013.01); C21C 5/52 (2013.01); C21C 5/527 (2013.01); C21C 7/0006 (2013.01); C21C 7/0075 (2013.01); C21C 7/064 (2013.01); C21C 7/068 (2013.01); C22C 33/006 (2013.01); C22C 33/0257 (2013.01); C22C 33/0264 (2013.01); C22C 33/0271 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); G01G 13/006 (2013.01); B22F 2009/001 (2013.01); B22F 2009/0808 (2013.01); B22F 2301/35 (2013.01); B22F 2304/15 (2013.01); B22F 2998/10 (2013.01); B22F 2999/00 (2013.01); B61D 7/00 (2013.01); C02F 2101/20 (2013.01); C02F 2101/203 (2013.01); C02F 2103/023 (2013.01); C02F 2103/10 (2013.01); C02F 2103/16 (2013.01); C02F 2209/40 (2013.01); C02F 2301/02 (2013.01); Y10T 428/2982 (2015.01)] 20 Claims
OG exemplary drawing
 
1. A plurality of granulated metallic units, individual granulated metallic units comprising:
a mass fraction of phosphorous of at least 0.025 wt. %;
a mass fraction of silicon between 0.25 wt. % and 1.5 wt. %;
a mass fraction of manganese of at least 0.2 wt. %;
a mass fraction of carbon between 0.1 wt. % and 4.0 wt. %;
a mass fraction of sulfur of at least 0.0001 wt. %; and
a mass fraction of iron of at least 94.0 wt. %,
wherein the plurality of granulated metallic units has a size distribution such that at least 50 wt. % of the plurality of granulated metallic units is at least 6 millimeters, and
wherein the plurality of granulated metallic units has a melting point between 1100° C. and 1600° C.