Forney 45300 Super 99-Percent Nickel Cast Specialty Rod, 3/32-Inch, 1/2-Pound The product is 13PK 3/32" NI Weld Rod Easy to use The product is manufactured in China All position high nickel content electrode with an extruded coating for welding cast iron or joining cast iron to dissimilar metals Works well with thin sections and welds that require the highest possible machinability after welding Typical applications include automotive engine blocks, transmission and pump housings BHN 155 hardness Joins gray cast iron to other gray cast irons or other ferrous or non-ferrous metals