DIN 17172 StE 415.7 TM steel plate/pipes for large diameter pipes StE 415.7 TM steel plate, under DIN 17172 standard, we can regard StE 415.7 TM steel plate/pipes as large diameter pipes. StE 415.7 TM steel pipes is one mainly of Steel for large diameter pipes,DIN 17172 StE 415.7 TM 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: [email protected] web: http://www.bsteelplate.com http://www.ice-steels.com http://www.katalor.com/ http://www.construction-steel.com/ http://www.heavy-steels.com http://www.steel-tube-pipes.com http://section-steel.com/ skype: shanghai.katalor TEL: +86 21 61182425 HP: +86-18317160029 ADD:Room 101, No.16, 6th building, 9th lane, Guangyi road, Zhuqiao town, Pudong new district, Shanghai, China