GB523251A - Austenitic steels - Google Patents
Austenitic steelsInfo
- Publication number
- GB523251A GB523251A GB34757/38A GB3475738A GB523251A GB 523251 A GB523251 A GB 523251A GB 34757/38 A GB34757/38 A GB 34757/38A GB 3475738 A GB3475738 A GB 3475738A GB 523251 A GB523251 A GB 523251A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- nickel
- steel
- manganese
- 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
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
523,251. Alloys. INLAND STEEL CO. Nov. 29, 1938, Nos. 34757, 34758 and 34759. Convention dates, Nov. 30, 1937, May 14, 1938, and Oct. 28, 1938. [Class 82 (i)] Austenitic steel alloys containing not more than 0À7 per cent. of carbon contain also 0À03 - 1 per cent. of lead in a state of dispersion throughout the metal, the products being stated to have improved machinability. Austenitic steel alloys containing the following metals are referred to (1) 5 - 44 per cent. of nickel'; (2) 10 - 20 per cent. of manganese; (3) 5 - 44 per cent. of nickel and 10 - 20 per cent. of manganese; (4) 1 - 28' per cent. of chromium, 1 - 44 per cent. of nickel, and 1 - 2 per cent. of manganese ; (5) 5 - 28 per cent. of chromium and 5 - 44 per cent. of nickel ; (6) 5 - 28 per cent. of chromium together with nickel or manganese or both. There may also be present up to 0À5 per cent. of sulphur, up to 0À5 per cent. of phosphorus and one or more of the following elements : titanium, cobalt, copper, tungsten, molybdenum, silicon, vanadium, niobium and aluminium. Preferably the lead is added to the molten steel in the ingot mould in subdivided form after a small amount of steel is in the mould, a stream of lead particles being delivered against the stream of steel entering the mould. Specification 519,572 is referred to.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US523251XA | 1937-11-30 | 1937-11-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB523251A true GB523251A (en) | 1940-07-10 |
Family
ID=21976865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB34757/38A Expired GB523251A (en) | 1937-11-30 | 1938-11-29 | Austenitic steels |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB523251A (en) |
-
1938
- 1938-11-29 GB GB34757/38A patent/GB523251A/en not_active Expired
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