403 plate ss is a martensitic alloy, hardenable by heat treatment. 403 plate ss is a strong, corrosion-resistant steel that can be used in Steam and Gas Turbine Blades in the Power Generation Industry. Other 403 plate ss applications are Bushings, Buckets, Fasteners, Valve Components, Missile Rocket Components and Medical Instruments.
Chemical Composition of Stainless Steel 403 Plates
| Grade | Cr | Ni | C | Si | Mn | P | S | Fe |
|---|---|---|---|---|---|---|---|---|
| SS 403 | min: 11.5 max:13.0 | min: 0.60 | max: 0.15 | max:0.5 | max:1.0 | max:0.04 | max:0.03 | Balance |
May be done at a temperature between 400°F -1400°F
Advisable to avoid the 800°F – 1100°F range due to a decrease in impact properties and corrosion resistance.
Strength and hardness decrease in the 800°F – 1100°F while ductility and toughness increase as the tempering temperature is raised.
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