Nascent Pipe & Tubes is one of the well-known stockiest and trader of high quality Alloy 317 Fasteners (Washers), which resists attack from phosphoric acid and have been successfully used with nitric acid. SS 317 Flat Washers is unaffected by any of the weak bases such as ammonium hydroxide, even in high concentrations and at high temperatures. Stainless Steel 317 Lock Washers is exposed to stronger bases such as sodium hydroxide at high concentrations and high temperatures that will likely experience some etching and cracking, especially with solutions containing chlorides such as sodium hypochlorite.
