303 Stainless Steel Mechanical Properties
AISI Type 303 Se Stainless Steel, cold drawn, bar, tested at RT
COMPONENT | WT. % |
C | Max 0.15 |
Cr | 18 |
Fe | 69 |
Mn | Max 2 |
Ni | 9 |
P | Max 0.2 |
S | Max 0.06 |
Se | Max 0.15 |
Si | Max 1 |
PHYSICAL PROPERTIES | METRIC | ENGLISH | COMMENTS |
Density | 8 g/cc | 0.289 lb/in³ |
MECHANICAL PROPERTIES | METRIC | ENGLISH | COMMENTS |
Hardness, Brinell | 228 | 228 | |
Hardness, Knoop | 251 | 251 | Converted from Brinell hardness |
Hardness, Rockwell B | 96 | 96 | Converted from Brinell hardness |
Hardness, Rockwell C | 19 | 19 | Converted from Brinell hardness. Value below normal HRC range, for comparison only |
Hardness, Vickers | 240 | 240 | Converted from Brinell hardness |
Tensile Strength, Ultimate | 690 MPa | 100000 psi | |
Tensile Strength, Yield | 415 MPa | 60200 psi | at 0.2% offset |
Elongation at Break | 40% | 40% | in 50 mm |
Modulus of Elasticity | 193 GPa | 28000 ksi | tension |
Poisson's Ratio | 0.25 | 0.25 | Calculated |
Shear Modulus | 77.2 GPa | 11200 ksi |
ELECTRICAL PROPERTIES | METRIC | ENGLISH | COMMENTS |
Electrical Resistivity | 7.2e-005 ohm-cm | 7.2e-005 ohm-cm |
THERMAL PROPERTIES | METRIC | ENGLISH | COMMENTS |
CTE, linear 20°C | 17.2 µm/m-°C | 9.56 µin/in-°F | from 0-100°C |
CTE, linear 250°C | 17.8 µm/m-°C | 9.89 µin/in-°F | at 0-315°C (32-600°F) |
CTE, linear 500°C | 18.4 µm/m-°C | 10.2 µin/in-°F | at 0-540°C, 18.7 µm/m-C at 0-650°C |
Specific Heat Capacity | 0.5 J/g-°C | 0.12 BTU/lb-°F | from 0-100°C (32-212°F) |
Thermal Conductivity | 16.2 W/m-K | 112 BTU-in /hr-ft²-°F | at 100°C (212°F), 21.5 W/m-K at 500°C (930°F) |
Melting Point | 1400 - 1420 °C | 2550 - 2590 °F | |
Solidus | 1400 °C | 2550 °F | |
Liquidus | 1420 °C | 2590 °F |