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347 UNS S34700

Similar to 321 stainless, 347 uses columbium as a stabilizing element to maximize its resistance to intergranular corrosion. It can be used in applications requiring repeated heating including high temperature gaskets, expansion joints, rocket engine parts, aircraft collector rings, exhaust manifolds and chemical production equipment.

AMS 5512Heat Resistant Stainless Steel Plate, Sheet, Strip, and Coil.
AMS 5646Stainless Steel Bars and Forgings
AMS 5654Stainless Steel Bars and Forgings. Vacuum Melted.