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德国Ｖａｌｌｏｕｒｅｃ＆Ｍａｎｎｅｓｍａｎｎ管材公司（Ｖ＆Ｍ）的Ｄｕｓｓｅｌｄｏｆ－Ｒｅｉｓｈｏｌｚ工厂为挪威的一个海上平台生产出ＸＣｒＮｉＭｏＮ２２－５双相钢无缝钢管，外径９１４ｍｍ（３６”），壁厚５５ｍｍ。生产这种尺寸的铁素体－奥氏体钢管采用一套特殊
The Dusseldof-Reisholz plant at Vallourec & Mannesmann Pipe Company (V & M) in Germany produces XCrNiMoN22-5 duplex steel seamless pipe with an outer diameter of 914 mm (36 ") and a wall thickness of 55 mm for an offshore platform in Norway. - Austenitic steel pipe with a special set