Standard：DIN 17175----German Industrial Standard Purpose: Pipe for boiler industry.  The main production steel grades:St35.8ã€St45.8〠... Explore More
Standard: EN 10216-1 ---- EU standards EN 10216-2 ---- EU standardsPurpose: For the boiler pipes,Website:http://www.wzsunrise-steel.com, tobacco pipes ... Explore More
API 5L Seamless Line PipeStandard specification for line pipe The American Petroleum Institute specification API 5L covers seamless and welded steel l ... Explore More
