St45.8 seamless pipe,St35.8 seamless pipe DIN2448 DIN17175
DIN 17175 specification St45.8 seamless pipe,St35.8 seamless pipe is one heat resistance tubular used for steam boiler,pipeline and pressure vessels at high temperature reach to 600 Degree centigrade.
St45.8 seamless pipe can be produced by Hot rolled,Cold rolled,cold drawn.Quality class have St45.8 I seamless pipe and St45.8 III seamless pipe.
St35.8 seamless pipe with normalized heat treatment owns min. yield strength 235 Mpa and tensile strength 350 Mpa to 480 Mpa.
St45.8 seamless pipe with normalized heat treatment owns min. yield strength 255 Mpa and tensile strength 410 Mpa to 530 Mpa.
Dimension visual checking according to specification DIN2448,In specification DIN 17175,there are also 17Mn4 seamless pipe,19Mn5 seamless tube,15Mo3 steel pipe,13CrMo44 steel pipe,10CrMo910 seamless pipe,14MoV63 steel pipe and X20CrMoV121 steel pipe.