Patent JPS5524901A successfully refreshed from Google Patents.
JPS5524901A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Heat-resistant ferrite stainless steel excellent in weldability
Assignee: Nippon Stainless Steel Co Ltd
•
Filing: 1977-03-31
•
Granted: —
•
Expires: 1997-03-31
Abstract
Abstract PURPOSE: To improve oxidation resistance, scaling resistance, and weldability by suppressing the harmfulness of C and N by lowering N content and by adding Zr. CONSTITUTION: 11.0 to 20.0% Cr, 0.10% or less C, 1.5% or less Si, 1.5% or less Mn, 1.5% or less Zr[Zr%/(C%+N%)≥7], and Fe and impurities(N≤0.015%). COPYRIGHT: (C)1980,JPO&Japio
Inventors
- 👤 Daiji Moroishi
- 👤 Isamu Koizumi
- 👤 Hisao Fujikawa
- 👤 Hirofumi Makiura
- 👤 Yuji Shoji
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-06 17:09
CPC Classifications
—
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.