Boiler Pipe High Temp Heat Resistant Pipe Steam Pipe. Boiler Pipe High Temp Heat Resistant Pipe Steam Pipe Standard & Specifications: DIN 17175 ST35,8 Grade 1 - Sumitomo Japan EN 10216 P235 GH - European Standard Vallourec France Mannesman Germany Boiler pipe is a pipe that has resistance to pressure and heat, according to its ... Read More