Answer: well all depends on the person like if you are all about hitting it far use wood. But on the other hand if you are about just hitting the ball then you aluminum and it also depends on if you play for a league or not.
Answer: Aluminum is used on aircraft instead of steel. This is because the density of aluminum is about 1/3 that of steel (meaning it is lighter). Aluminum is also more ductile than steel, allowing for it to bend or elastically deform without damaging the material.