JPS5739150A - Exterior parts for portable watch - Google Patents
Exterior parts for portable watchInfo
- Publication number
- JPS5739150A JPS5739150A JP11319680A JP11319680A JPS5739150A JP S5739150 A JPS5739150 A JP S5739150A JP 11319680 A JP11319680 A JP 11319680A JP 11319680 A JP11319680 A JP 11319680A JP S5739150 A JPS5739150 A JP S5739150A
- Authority
- JP
- Japan
- Prior art keywords
- corrosion resistance
- exceeded
- upper limit
- base material
- parts
- 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.)
- Pending
Links
Landscapes
- Heat Treatment Of Nonferrous Metals Or Alloys (AREA)
Abstract
PURPOSE: To obtain an exterior parts with high corrosion resistance and high strength by forming from a parts base material comprising a Ni alloy containing Cr, Mo, Cu, Ti and Fe added therein in good balance.
CONSTITUTION: The exterior parts is obtained by using an alloy base material comprising, in the wt% 16W25 Cr, 2W5 Mo, 1W4 Cu, 5W25 Fe, 0.3W1.5 Ti, 0.08 or less C and the remainder of Ni and inevitable impurities. Ni in said base material imparts extremely excellent corrosion resistance and Cr enhance strength and corrosion resistance and the lower limit thereof is determined in order to maintain corrosion resistance and, when the upper limit is exceeded, embrittleness is developed. Mo enhance strength and shows excellent corrosion resistance in an environment containing Cl-but, when the upper limit is exceeded, processing property is extremely reduced. Cu also shows same corrosion resistance but, because increasement thereof is not necessarily good from a standpoint of corrosion resistance, a content thereof is limited. Fe dissolves lowering of processing property due to Cr and Mo and makes said parts inexpensive but, when the upper limit thereof is exceeded, corrosion resistance is lost. Ti enhances strength and processing property but, when upper limit thereof is exceeded, embrittleness and low solderability are brought about. C is limited in its amount from the necessity for fixing the same by Ti.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11319680A JPS5739150A (en) | 1980-08-18 | 1980-08-18 | Exterior parts for portable watch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11319680A JPS5739150A (en) | 1980-08-18 | 1980-08-18 | Exterior parts for portable watch |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5739150A true JPS5739150A (en) | 1982-03-04 |
Family
ID=14605978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11319680A Pending JPS5739150A (en) | 1980-08-18 | 1980-08-18 | Exterior parts for portable watch |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5739150A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62257347A (en) * | 1986-04-28 | 1987-11-09 | San Ei Chem Ind Ltd | Preparation of nougat or jelly roll candy |
-
1980
- 1980-08-18 JP JP11319680A patent/JPS5739150A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62257347A (en) * | 1986-04-28 | 1987-11-09 | San Ei Chem Ind Ltd | Preparation of nougat or jelly roll candy |
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