1.stainless steel threaded flange 2.A supplier of SIMENS 3.Size:1/2",TUV,PED,ISO 4.To be ... equality and mautal benefit 1. Thread Screwed Flange/TF flange/ flange manufacure, We are a ... and in highly explosive areas where welding create a hazard .2.Win-Win cooperation is our aim of operation ... Flange Material: Carbon steel:A105,A36,Rst37.2,St37.2,C22.8,SA350,LF2/LF1,Q235,Q345,SS400 ...