Welded Helical Serrated Fin Tubes , HFW Fin Tube For Per-heating application: Solid type fin tube HFW Fin Tube High Frequency Welded fin tube Serrated ...
Studded Tube , ASTM A213 T9 / ASME SA213 T11 with 11Cr (SS 409) Studded Fin Tube ,Steam Reforming Furnace YUHONG GROUP Studded tube is mainly used in ...