Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ERRA METALS CORP
Original Assignee
ERRA METALS CORP
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ERRA METALS CORPfiledCriticalERRA METALS CORP
Priority to ES0242958ApriorityCriticalpatent/ES242958A1/es
Publication of ES242958A1publicationCriticalpatent/ES242958A1/es
Procedimiento de obtención de aleaciones a base de hierro, caracterizado porque estas contienen en peso: 9% a 15% de cromo; 1% a 4% de tungsteno; 1% a 5% de níquel, cobalto o una mezcla de ambos; 0,5% a 5% de tantalio, columbio o una mezcla de ellos; o,15% a 0,4% de carbono y el resto esencialmente hierro.
ES0242958A1958-07-081958-07-08Procedimiento de obtencion de aleaciones a base de hierro
ExpiredES242958A1
(es)