Features: 1) Low hydrogen potassium, Cr0. 55-Mo0. 55 heat-resisting steel welding rod 2) Power: DC transposition 3) For welding in all positions 4) The weldment should be preheated to 90-110 degrees Celsius before welding 5) Used for welding heat-resisting steel of CrMo pearlite (such as 12CrMo ) under 510 degrees Celsius 6) Used for welding steel of high temperature and pressure pipelines, chemical containers