The main RuneScape Wiki has an article on: Steel Chain Mail Body
The Old School RuneScape Wiki also has an article on Steel Chain Mail Body.

A Steel Chain Mail Body is a type of chain mail body which can be smithed from 3 steel bars by players with at least level 41 smithing, granting 112.5 smithing experience. It can also be bought from Horvik's Armour Shop and Wayne's Chains. It requires at least level 5 defense to wear.

Bonuses

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