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Inventor: Hitoshio; Keisuke
Address: Osaka, JP
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 8147623 |
Steel pipe as fuel injection pipe |
April 3, 2012 |
| To provide a steel pipe as a fuel injection pipe with high material strength, high internal pressure limit free from fatigue failure, prolonged fatigue life, and high reliability. A steel pipe as a fuel injection pipe of 500 N/mm.sup.2 or higher tensile strength comprising, by mass, |
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