Steel shot shape and armour penetration in Warrior's era

Would all steel shot from the period of HMS Warrior count as armour-piercing?

It depends partly on the projectile's shape, including the distinction between conical and more rounded forms.

Projectile shape affects whether steel shot is described as armour-piercing. Conical and more rounded forms need to be distinguished, with the shot displayed around Warrior suggested as a visible comparison. No penetration figure is supplied, and the answer leaves the distinction dependent on the individual projectile.