GB707082A - Improvement in nickel-chromium alloys - Google Patents
Improvement in nickel-chromium alloysInfo
- Publication number
- GB707082A GB707082A GB16632/51A GB1663251A GB707082A GB 707082 A GB707082 A GB 707082A GB 16632/51 A GB16632/51 A GB 16632/51A GB 1663251 A GB1663251 A GB 1663251A GB 707082 A GB707082 A GB 707082A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- alloy
- nickel
- slabs
- chromium
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/052—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 40%
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
A nickel-chromium base alloy consists of 33-40 per cent. Cr, 5-10 per cent. Mo, 1-10 per cent. Co and the balance Ni except for incidental impurities. It may be prepared by melting together the Ni, Co and nickelous oxide, the latter in an amount .08 per cent. of the Ni to eliminate H, adding as a deoxidizer about .01 per cent. of Ca-Si alloy containing about 30 per cent. Ca, adding the Cr, adding the Mo, heating the melt to about 2800 DEG F., adding another .01 per cent. of the Ca-Si de-oxidizer, and casting into slabs. Surface irregularities are then scalped, the slabs hot-rolled at 2200 DEG F. to the desired thickness, slight scale removed by an electrolytic pickle or by sand-blasting, followed by cold rolling and then annealing for at least 2 hours at 2200 DEG F. The Ca-Si alloy may be replaced by Al or by B in the form of a B-Ni alloy. The nickel-chromium alloy is stated to be hard, have good wearing properties, readily cold-worked, resistant to corrosion and to oxidation at high temperatures, and to be suitable for pen nibs, furnaces, heat engines and chemical apparatus.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB16632/51A GB707082A (en) | 1951-07-13 | 1951-07-13 | Improvement in nickel-chromium alloys |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB16632/51A GB707082A (en) | 1951-07-13 | 1951-07-13 | Improvement in nickel-chromium alloys |
Publications (1)
Publication Number | Publication Date |
---|---|
GB707082A true GB707082A (en) | 1954-04-14 |
Family
ID=10080820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB16632/51A Expired GB707082A (en) | 1951-07-13 | 1951-07-13 | Improvement in nickel-chromium alloys |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB707082A (en) |
-
1951
- 1951-07-13 GB GB16632/51A patent/GB707082A/en not_active Expired
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