Many early tanks were designed to deflect small arms fire and shrapnel from artillery.
Even so: Aas anti tank weaponry and armor to match developed: tanks notoriously had weak armor when not being hit directly from the front. A swinging I-beam from an upwards sideways angle could definitely compromise a 1930s era tank in a critical fashion.
Given the era of tank depicted: a lot of damage.
Many early tanks were designed to deflect small arms fire and shrapnel from artillery.
Even so: Aas anti tank weaponry and armor to match developed: tanks notoriously had weak armor when not being hit directly from the front. A swinging I-beam from an upwards sideways angle could definitely compromise a 1930s era tank in a critical fashion.