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EN 10208-2 L 415NB steel plate/pipes for large diameter pipes L 415NB steel plate, under EN 10208-2 standard, we can regard L 415NB steel plate/pipes as large diameter pipes. L 415NB steel pipes is one mainly of Steel for large diameter pipes,EN 10208-2 L 415NB steel for the manufacture of buried pipelines for transporting natural gas can succumb to severe degradation due to corrosion by the soil through. The types of corrosion of steel that can be produced are often general corrosion and pitting. Shanghai Katalor Enterprises Co., Ltd Email: info@ web/ skype: shanghai.katalor TEL: +86 21 61182425 HP: +86- ADD:Room 101, No.16, 6th building, 9th lane, Guangyi road, Zhuqiao town, Pudong new district, Shanghai, China