I am 99% sure of it.
On this page, it says it has 321 life. I assume that is if you create it in normal.
http://classic.battle.net/diablo2exp/skills/necromancer-summoning.shtml#irongolem
Here, it says 980 life. I assume that is in hell mode:
https://diablo.fandom.com/wiki/Iron_GolemI also assume these are level 1 stats.. so increased skill levels and synergies to blood golem (+5% hp per level), along with any life modifier on the item it is created from, adds to the total hp.