The invention discloses a hammer head for a piling machine. The hammer head comprises the following components in parts by weight: 60-65 parts of ferrum, 10-15 parts of manganese dioxide, 23-28 partsof aluminum, 1-5 parts of nickel, 11-15 parts of silicon carbide, 2-6 parts of cobalt, 15-20 parts of copper, 1.5-2.1 parts of sodium hydroxide, 0.5-0.9 part of silicon dioxide, 3-9 parts of tin and 4-8 parts of magnesium. By this way, the hammer head for the pilling machine disclosed by the invention has relatively high hardness and is suitable for long-term operation of the piling machine, and awear phenomenon is unlikely to happen.