Stainless 403 is a martensitic alloy, hardenable by heat treatment. It is a strong, corrosion-resistant steel that can be used in Steam and Gas Turbine Blades in the Power Generation Industry. Other applications are Bushings, Buckets, Fasteners, Valve Components, Missile Rocket Components and Medical Instruments.
| AMS | UNS | ASTM | Werkstoffe | AISI | Miscellaneous | |
| Stainless Steel 403 | 5613 | S40300 | A276 / A479 | 403 | 10705BA |
| Chemical Composition (Weight %) | |||||||||||||||||
| C | Mn | Si | P | S | Cr | ||||||||||||
| Min | 11.5 | ||||||||||||||||
| Max | 0.15 | 0.50 | 1.00 | 0.04 | 0.03 | 13.5 | |||||||||||
| Typical Mechanical Properties (Min) | ||||||||||
| Condition | Tensile Strength, PSI | Yield Strength 0.2%, PSI | Elongation % | Reduction of Area % | Hardness HB | |||||
| A | 115,000 | 241 | ||||||||
| HT | 120,000 | 90,000 | 12 | 40 | 269 max | |||||
