| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an inner surface-lined steel pipe excellent in aqueous chlorine resistance, cold/hot water cycle resistance, water hammering resistance, elution properties and low temperature impact resistance in piping for use in water supply, hot-water supply, air conditioning, drainage and the like, and its manufacturing method. <P>SOLUTION: In the inner surface-lined steel pipe obtained by providing a lining layer on the inner surface of a steel pipe, the lining layer comprises a resin composition which contains a polystyrenic resin and at least one additive of an elastomer and a rubber component and a metal oxide so that the content of at least one additive of the elastomer and the rubber component is 3-50 pts.mass in total and the content of the metal oxide is 0.1-5 pts. mass with respect to 100 pts.mass of the polystyrenic resin. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
