Okay we'll start off with swords...

Dagger-Iron
Short Sword-Iron
Long Sword-Iron
Broad Sword-Steel
Fire Dragon sword-Iron
Dark Sword-Iron
Dark Scimmy-Iron
Unholy Lance-Iron
Mage Staff-Iron
Ice Sword-Ice chunk
Fire Sword-Fire chunk
Bamboo Staff-Iron
Knight Sword-Iron
Wooden Sword-Iron
Wooden club-Iron
Wooden Spear-Iron
Buster Sword-Iron
Sword of Hope-Iron
Blacksmith Hammer-Iron
Mining Hammer-Iron
Ax-Iron
Fishing Pole-Iron
Lords Staff-Iron
Wooden Bow-Iron
Wooden Crossbow-Iron
Steel Bow-Iron
Steel Scimmy-Iron
Ruby Rod-Iron
Healing Rod-Iron
Ice Hammer-Ice
Fire Hammer-Fire
Thors Hammer-Iron
War Hammer-Iron
Steel Staff-Iron
Gold Staff-Iron

Armour

Leather Armour-Iron
Chain Armour-Iron
Plate Armour-Iron
Titanium Armour-Steel
Argons Plate-Iron
Fire Armour-Fire chunk
Firedragon Armour-Iron
Nordic Armour-Iron
Tainted Armour-Iron
Ceramic Armour-Iron
Steel Armour-Steel
White Tux-Iron
Black Tux-Iron
All Robes/Outfits-Iron

Helms

Leather Cap-Iron
Chain Helm-Iron
Plate Helm-Iron
War Helm-Iron
Fire Helm-Fire chunk
Firedragon Helm-Iron
All masks-Iron
White Top Hat-Iron
T()P Hat(Black)-Iron
Tainted Helm-Iron
Spiked Helm-Iron
Gold Crown-Iron
Silver Crown-Iron
Murder Helm-Iron
Nordic Helm-Iron

Shields

Small shield-Iron
Ice shield-Ice chunk
Steel shield-Iron
Firedragon shield-Iron
Fire shield-Fire
Pharaoh shield-chunk of Star
Halo shield-Iron
Champion shield-Iron
Murder shield-Iron
Gladiator shield-Iron
Silver shield-Iron
Heart shield-Love potion
Gold shield-Iron
Wimdowz's Right fist-Iron
Flowers-Iron
Roses-Iron
All arrows-Iron
All Alchemy sand-Iron
Magical Sheild-Iron
Slime Sheild-Iron
Kite Sheild-Iron

Boots

Boots do not break

Wings/Rings

Wings and rings do not break

(If I missed any Items Please post it, you don't have to know what fixes it, I probably will know.)