GB816039A - Process for the manufacture of nickel-containing stainless steel - Google Patents
Process for the manufacture of nickel-containing stainless steelInfo
- Publication number
- GB816039A GB816039A GB20158A GB20158A GB816039A GB 816039 A GB816039 A GB 816039A GB 20158 A GB20158 A GB 20158A GB 20158 A GB20158 A GB 20158A GB 816039 A GB816039 A GB 816039A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chromium
- silicon
- iron
- per cent
- charge
- Prior art date
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/005—Manufacture of stainless steel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
Nickel-containing stainless steel is produced by melting a charge containing chromium in an electric arc furnace the electrodes of which consist of an alloy of nickel and iron substantially free from carbon and which dissolve in the molten charge. The charge may comprise chromium ore, silicon in a form capable of reducing iron and chromium oxides and a fluxing material such as iron. The silicon may be in the form of an iron-silicon alloy containing e.g. 40-80 per cent silicon, or an iron-silicon-chromium alloy containing e.g. 30-60 per cent silicon and 20-60 per cent chromium. A basic material such as lime may be included and chromium may also be introduced into the charge as stainless steel scrap. Preferably the carbon content of the charge should be less than 0.03 per cent by weight. The alloy product may contain 7-30 per cent nickel, 12-35 per cent chromium and the remainder being substantially iron.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP816039X | 1957-01-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB816039A true GB816039A (en) | 1959-07-08 |
Family
ID=13750895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB20158A Expired GB816039A (en) | 1957-01-02 | 1958-01-02 | Process for the manufacture of nickel-containing stainless steel |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB816039A (en) |
-
1958
- 1958-01-02 GB GB20158A patent/GB816039A/en not_active Expired
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