WELDING WIRES FOR HARDFACING AND HARDBANDING, THAT IS, THE APPLICATION OF WELD MATERIAL ON THE INNER OR OUTER SURFACE OF DRILLING TOOLS, NAMELY, TOOL JOINTS, DRILL COLLARS, DOWN HOLE TOOLS AND DRILL BITS, USED FOR DRILLING AND BORING OPERATIONS, NAMELY, DRILLING OIL AND GAS WELLS, WATER WELLS, EPA TEST WELLS, SOIL TESTING, CORE SAMPLING, DIRECTIONAL DRILLING, TUNNELING AND HORIZONTAL DIRECTIONAL DRILLING, TO REDUCE WEAR OF SAID DRILLING TOOLS