US 11,667,993 B2
Alloy for fiber-forming plate
Ludovic Hericher, Chalon sur Saone (FR); Jacques Labarthe, Montmorency (FR); and Cyril Condolf, Conflans-Sainte-Honorine (FR)
Assigned to SAINT-GOBAIN ISOVER, Courbevoie (FR); and SAINT-GOBAIN SEVA, Chalon-sur-Saone (FR)
Filed by SAINT-GOBAIN ISOVER, Courbevoie (FR); and SAINT-GOBAIN SEVA, Chalon-sur-Saone (FR)
Filed on Aug. 31, 2022, as Appl. No. 17/900,136.
Application 17/900,136 is a continuation of application No. 17/273,149, granted, now 11,505,849, previously published as PCT/FR2019/052091, filed on Sep. 10, 2019.
Claims priority of application No. 1858208 (FR), filed on Sep. 13, 2018.
Prior Publication US 2022/0411898 A1, Dec. 29, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C22C 19/05 (2006.01); C03B 37/04 (2006.01)
CPC C22C 19/055 (2013.01) [C03B 37/047 (2013.01)] 21 Claims
 
1. An alloy, that contains the following elements, the proportions being indicated as percentage by weight of the alloy (limit values included):
 
 
 
 Cr 20 to 35%
 
 Fe 1 to 6%
 
 W 3 to 8%
 
 Nb 0.5 to 3%  
 
 Ti 0 to 1%
 
 C 0.4 to 1%  
 
 Co 0 to 3%
 
 Si 0.1 to 1.5%
 
 Mn 0.1 to 1%  
 
 
the remainder consisting of nickel and unavoidable impurities, wherein a (Nb+Ti)/C weight ratio is between 1 and 2.4.