AISI Type 303 Stainless Steel, cold drawn bar, tested at RT
Subcategory: Ferrous Metal; Heat Resisting; Metal; Stainless Steel; T 300 Series Stainless Steel
Close Analogs: AISI Type 303 Se
Key Words: T303, T 303, 303SS, 303 SS, AFNOR Z 10 CNF 18.09 (Fr), UNI X 10 CrNiS 18 09, SUS 303, SS14 2346 (Sweden), B.S. 303 S 21, UNS S30300, AMS 5640 (1), ASME SA194, ASME SA320, ASTM A194, ASTM A314, ASTM A320, ASTM A320, ASTM A473, ASTM A581, ASTM A582, MIL SPEC MIL-S-862, SAE J405 (30303), DIN 1.4305, X12CrNiS188, EN 58M, austenitic, ISO 683/13 17, 18-8
| Component | Wt. % |  | | | C | Max 0.15 | | | Cr | 18 | | | Fe | 69 | |
| | Component | Wt. % | | | | Mn | Max 2 | | | Mo | Max 0.6 | | | Ni | 9 | |
| | Component | Wt. % | | | | P | Max 0.2 | | | S | Min 0.15 | | | Si | Max 1 | |
|
| Physical Properties | Metric | English | Comments |
|
| Density | 8 g/cc | 0.289 lb/in³ | |
Mechanical Properties |
|
| 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 |
| Fatigue Strength | 240 MPa | 34800 psi | annealed sample |
| Fatigue Strength | 330 MPa | 47900 psi | 25% hardened sample |
| Shear Modulus | 77.2 GPa | 11200 ksi | |
Electrical Properties |
|
| Electrical Resistivity | 7.2e-005 ohm-cm | 7.2e-005 ohm-cm | |
Thermal Properties |
|
| CTE, linear 20°C | 17.2 µm/m-°C | 9.56 µin/in-°F | from 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 | |
References for this datasheet.
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