Morrowind Heavy Armor Sets
Ebony Daedric Dwemer Her Hand Imperial Iron Steel Templar
The heavy armors are numerous and relatively good. But they are really heavy and wearing them will slow you down significantly.
Prior to BloodMoon Ebony was the second best armor. Now it is pretty much as good as the new Ice Armor.
If you scout carefully both Mudan and Odrosal you should manage to get a full set.
Elder Scrolls Site says: The secrets of Dwemer armorcraft are long-forgotten. All examples encountered are thousands of years old, salvaged from ancient Dwemer ruins. Dwemer armor is heavy and cumbersome, but Dwemer craftsmanship and metallurgy are unmatched in any modern metal armor style. Enthusiasts pay fabulous prices for individual pieces, and the few complete sets are in the hands of collectors.
Elder Scrolls Site says: Imperial Guard armor is a more expensive and decorative version of the common Legion veteran's heavy infantry armor. Chain is worn over leather padding, with steel greaves, pauldron, cuirass, and helm.
Elder Scrolls Site says: Western-style iron plate provides good protection, but is so heavy and uncomfortable that despite its modest cost and wide availability in Imperialized Morrowind, adventurers and mercenaries quickly upgrade to better-quality metal armors or adopt the lighter native laminated shell armors when they can afford them.
Elder Scrolls Site says: Officers of the Imperial Legion and knights of the various Imperial military orders are privileged to wear this armor. Plate cuirass and greaves and a reinforced steel helm are worn over leather padding and chain. Though heavy and uncomfortable for campaigning, this armor gives excellent protection in melee combats.