IMPAX WELD COATED ELECTRODE and IMPAX TIG-WELD TIG FILLER ROD give a deposited weld metal almost identical in composition to IMPAX SUPREME parent metal. Both the electrode and the filler rod are also suitable for welding standard AISI P20 tool steel grades and Uddeholm Holder grades. Composed to be compatible with Uddeholm Mold Steel Impax Supreme, Alloy Digest TS-497, March 1989. This datasheet provides information on composition, hardness, and tensile properties. It also includes information on joining. Filing Code: TS-505. Producer or source: Uddeholm Corporation.