Stainkless Steel 15-5PH is a modified version of the 17-4PH whereas it has a more refined microstructure through the remelting process which gives it a improved toughness. This grade can machined in annealed or heat treated condition.

Specifications:

UNS S15500, AMS 5658, AMS 5659, AMS 5862, AMS 5826, ASTM A-564, XM-12, ASTM A-693, ASTM A-705,

Applications:

Aircraft components, fabricated parts in high pressure corrosive environments including valves, shafts, fasteners, fittings and gears, valves., pump parts.