304 Stainless Steel Data Sheet
| Physical Properties | Metric | English |
| Density | 8.00 g/cc | 0.289 lb/in³ |
| Mechanical Properties | Metric | English |
| Hardness, Brinell | 123 | 123 |
| Hardness, Knoop | 138 | 138 |
| Hardness, Rockwell B | 70 | 70 |
| Hardness, Vickers | 129 | 129 |
| Tensile Strength, Ultimate | 505 MPa | 73200 psi |
| Tensile Strength, Yield | 215 MPa | 31200 psi |
| @Strain 0.200 % | @Strain 0.200 % | |
| Elongation at Break | 70% | 70% |
| Modulus of Elasticity | 193 GPa | 28000 ksi |
| Poissons Ratio | 0.29 | 0.29 |
| Shear Modulus | 77.0 GPa | 11200 ksi |
| Izod Impact | 150 J | 111 ft-lb |
| @Temperature -195 °C | @Temperature -319 °F | |
| 150 J | 111 ft-lb | |
| @Temperature 21.0 °C | @Temperature 69.8 °F | |
| Charpy Impact | 325 J | 240 ft-lb |
| Electrical Properties | Metric | English |
| Electrical Resistivity | 0.0000720 ohm-cm | 0.0000720 ohm-cm |
| @Temperature 20.0 °C | @Temperature 68.0 °F | |
| 0.000116 ohm-cm | 0.000116 ohm-cm | |
| @Temperature 650 °C | @Temperature 1200 °F | |
| Magnetic Permeability | 1.02 | 1.02 |
| Thermal Properties | Metric | English |
| CTE, linear | 17.3 µm/m-°C | 9.61 µin/in-°F |
| @Temperature 0.000 – 100 °C | @Temperature 32.0 – 212 °F | |
| 17.8 µm/m-°C | 9.89 µin/in-°F | |
| @Temperature 0.000 – 315 °C | @Temperature 32.0 – 599 °F | |
| 18.7 µm/m-°C | 10.4 µin/in-°F | |
| @Temperature 0.000 – 650 °C | @Temperature 32.0 – 1200 °F | |
| Specific Heat Capacity | 0.500 J/g-°C | 0.120 BTU/lb-°F |
| @Temperature 0.000 – 100 °C | @Temperature 32.0 – 212 °F | |
| Thermal Conductivity | 16.2 W/m-K | 112 BTU-in/hr-ft²-°F |
| @Temperature 0.000 – 100 °C | @Temperature 32.0 – 212 °F | |
| 21.5 W/m-K | 149 BTU-in/hr-ft²-°F | |
| @Temperature 500 °C | @Temperature 932 °F | |
| Melting Point | 1400 – 1455 °C | 2550 – 2651 °F |
| Solidus | 1400 °C | 2550 °F |
| Liquidus | 1455 °C | 2651 °F |
| Component Elements Properties | Metric | English |
| Carbon, C | <= 0.080 % | <= 0.080 % |
| Chromium, Cr | 18 – 20 % | 18 – 20 % |
| Iron, Fe | 66.345 – 74 % | 66.345 – 74 % |
| Manganese, Mn | <= 2.0 % | <= 2.0 % |
| Nickel, Ni | 8.0 – 10.5 % | 8.0 – 10.5 % |
| Phosphorus, P | <= 0.045 % | <= 0.045 % |
| Silicon, Si | <= 1.0 % | <= 1.0 % |
| Sulfur, S | <= 0.030 % | <= 0.030 % |
