PIPE FOR HIGH PRESSURE GAS, PIPE JOINT, WELDING METHOD, MANUFACTURING METHOD OF DEVICE FOR HIGH PRESSURE GAS, AND DEVICE FOR HIGH PRESSURE GAS

摘要

PROBLEM TO BE SOLVED: To provide a pipe for high pressure gas and a pipe joint capable of suppressing or preventing dimensional distortion, enabling simplification of a structure, and excellent in pressure resistance.;SOLUTION: A pipe 11 for high pressure gas is characterized in that in at least one terminal, at least one of an outer surface and an inner surface is formed by a contact surface 14 capable of closely contacting with an inner surface of a pipe joint 21, and at a part of an outer surface of a portion other than the at least one terminal, provided are a male screw part 12 connected to the pipe joint 21, and a fastening part for fastening the male screw part 12 with a tool.;SELECTED DRAWING: Figure 3;COPYRIGHT: (C)2018,JPO&INPIT