GB414498A - Improvements in or relating to fireboxes and staybolts therefor - Google Patents
Improvements in or relating to fireboxes and staybolts thereforInfo
- Publication number
- GB414498A GB414498A GB17526/33A GB1752633A GB414498A GB 414498 A GB414498 A GB 414498A GB 17526/33 A GB17526/33 A GB 17526/33A GB 1752633 A GB1752633 A GB 1752633A GB 414498 A GB414498 A GB 414498A
- Authority
- GB
- United Kingdom
- Prior art keywords
- copper
- per cent
- nickel
- silicon
- alloys
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B7/00—Steam boilers of furnace-tube type, i.e. the combustion of fuel being performed inside one or more furnace tubes built-in in the boiler body
- F22B7/16—Component parts thereof; Accessories therefor, e.g. stay-bolt connections
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Fireboxes and firebox staybolts are made from copper alloys containing up to 2 per cent of nickel or copper or both and an amount of silicon which is sufficient to ensure the retention of the hardness produced by cold working but is insufficient to cause any substantial precipitation hardening in the soft annealed condition. The alloys preferably contain at least 96 per cent of copper, less than 1 per cent of nickel, and less than 0,5 per cent of silicon, and may contain limited amounts of manganese, chromium, iron, tin, zinc, aluminium, titanium, and vanadium. After cold working the firebox or staybolt, or part thereof, it may be annealed at up to 400 DEG C., or may be put into service without any intermediate heat treatment. According to the Specification as open to inspection under Sect. 91, the alloys may consist of copper with one or more of the elements silicon, aluminium, beryllium, and phosphorus, and one or more of the metals nickel, chromium, iron, cobalt, and manganese, with or without tin, zinc, and titanium. This subject-matter does not appear in the Specification as accepted.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE414498X | 1932-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB414498A true GB414498A (en) | 1934-08-09 |
Family
ID=6448343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB17526/33A Expired GB414498A (en) | 1932-06-20 | 1933-06-20 | Improvements in or relating to fireboxes and staybolts therefor |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB414498A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE755881C (en) * | 1939-04-15 | 1953-10-12 | Ver Deutsche Metallwerke Ag | Copper alloy for fire boxes |
-
1933
- 1933-06-20 GB GB17526/33A patent/GB414498A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE755881C (en) * | 1939-04-15 | 1953-10-12 | Ver Deutsche Metallwerke Ag | Copper alloy for fire boxes |
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