可鍛性[katansei] malleability
可鍛鉄[katantetsu] malleable iron
鍛える[kitaeru] to forge
鍛え上げる[kitaeageru] to temper thoroughly
鍛工[tankou] metal worker

鍛治[tanya] smithing
鍛練[tanren] tempering
刀鍛冶[katanakaji] swordsmith
鍛造[tanzou] forging
鍛接[tansetsu] forge welding