The first metal discovered by man was gold and it was mainly used for decoration purpose.
Iron
copper
there is no historical documentation, but the most likely metals are copper and gold because they are both comparatively easy to find as natural ores, and are both soft enough to use without forging equipment. Both metals were used by many ancient cultures for jewelry and decorative uses; copper was also used for simple tools. Gold / Copper. Because both of these can be found as native metals in rock and therefore could be used before man learned how to smelt and ore.
the first commonly metal used was wood
the first metal used by men was copper
bronze metal was the first metal to be used in ancient times.
At first which metal had been used by human ?
the first metal that was made was iron
COPPER
iron
gold