GB904886A - Improvements relating to plate steel and to articles made therefrom - Google Patents
Improvements relating to plate steel and to articles made therefromInfo
- Publication number
- GB904886A GB904886A GB3967957A GB3967957A GB904886A GB 904886 A GB904886 A GB 904886A GB 3967957 A GB3967957 A GB 3967957A GB 3967957 A GB3967957 A GB 3967957A GB 904886 A GB904886 A GB 904886A
- Authority
- GB
- United Kingdom
- Prior art keywords
- steel
- nitrogen
- made therefrom
- articles made
- improvements relating
- 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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
A method of making weldable carbon steel having a grain size smaller than 5 on the A.S.T.M. rating comprises raising the active nitrogen content to over 0.005% in aluminium-killed open-hearth steel by the addition of nitrogen to the steel. The nitrogen may be added in the ladle or mould by the addition of a manganese-nitrogen alloy containing 95% Mn. The steel may contain 0.35% max C: 1.2% max Mn: up to 0.35% Si: up to 0.05% each of S and P: the balance being iron and an active nitrogen content of more than 0.005%. It is stated that the steel has an impact transition temperature below 0 DEG C. and a high resistance to creep.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3967957A GB904886A (en) | 1957-12-20 | 1957-12-20 | Improvements relating to plate steel and to articles made therefrom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3967957A GB904886A (en) | 1957-12-20 | 1957-12-20 | Improvements relating to plate steel and to articles made therefrom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB904886A true GB904886A (en) | 1962-09-05 |
Family
ID=10410880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3967957A Expired GB904886A (en) | 1957-12-20 | 1957-12-20 | Improvements relating to plate steel and to articles made therefrom |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB904886A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3328211A (en) * | 1963-12-05 | 1967-06-27 | Ishikawajima Harima Heavy Ind | Method of manufacturing weldable, tough and high strength steel for structure members usable in the ashot-state and steel so made |
-
1957
- 1957-12-20 GB GB3967957A patent/GB904886A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3328211A (en) * | 1963-12-05 | 1967-06-27 | Ishikawajima Harima Heavy Ind | Method of manufacturing weldable, tough and high strength steel for structure members usable in the ashot-state and steel so made |
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