Description 10Pcs 1 6mm x 250mm HS221 Brass Welding Rods Brass Brazing RodsSpecification Material brass HS221Size 1 6mm x 250mm diameter length Quantity 10pcsColor GoldFeatures It is mainly used for welding between copper and iron And need to be used with solder powder Uses in Brass oxygen acetylene gas welding and carbon arc welding as a filler material Also widely used in brazing copper steel copper nickel alloy gray cast iron and inlaid carbide cutting tools etc Precautions 1 welding must be carefully cleaned before welding groove and wire surface 2 preheated before welding to 400 500 degrees after welding Welding with copper gas welding solvent to be solvent 3 the welding flame should be neutral flame or a slight oxidation flame the appropriate time to reduce the welding temperature increase the welding speed to minimize the residence time of the molten pool at high temperatures to reduce zinc evaporation and oxidation Package Included 10 xBrazing rodsMore Details