| AISI Type 304 | |
 | |
| Category | Steel |
| Class | Stainless steel |
| Type | Austenitic standard |
| Common Names | Chromium-Nickel steel |
| Designations |
France: AFNOR Z 6 CN 18.09 Germany: DIN 1.4301 Italy: UNI X 5 CrNi 18 10 Japan: JIS SUS 304 Sweden: SS 2332 United Kingdom: B.S. 302 S 17 , B.S. 304 S 15 , B.S. 304 S 16 , B.S. 304 S 18 , B.S. 304 S 25 , B.S. 304 S 40 , B.S. En.58 E United States: AMS 5501 , AMS 5513 , AMS 5560 , AMS 5565 , AMS 5566 , AMS 5567 , AMS 5639 , AMS 5697 , ASME SA182 , ASME SA194 (Type 8) , ASME SA213 , ASME SA240 , ASME SA249 , ASME SA312 , ASME SA320 (B8) , ASME SA358 , ASME SA376 , ASME SA403 , ASME SA409 , ASME SA430 , ASME SA479 , ASME SA688 , ASTM A167 , ASTM A182 , ASTM A193 , ASTM A194 , ASTM A213 , ASTM A240 , ASTM A249 , ASTM A269 , ASTM A270 , ASTM A271 , ASTM A276 , ASTM A312 , ASTM A313 , ASTM A314 , ASTM A320 , ASTM A368 , ASTM A376 , ASTM A409 , ASTM A430 , ASTM A473 , ASTM A478 , ASTM A479 , ASTM A492 , ASTM A493 , ASTM A511 , ASTM A554 , ASTM A580 , ASTM A632 , ASTM A651 , ASTM A666 , ASTM A688 , FED QQ-S-763 , FED QQ-S-766 , FED QQ-W-423 , FED STD-66 , MIL SPEC M.IL-S-5059 , MIL SPEC MIL-F-20138 , MIL SPEC MIL-S-23195 , MIL SPEC MIL-S-23196 , MIL SPEC MIL-S-862 , MIL SPEC MIL-S-862 , MIL SPEC MIL-T-6845 , MIL SPEC MIL-T-8504 , MIL SPEC MIL-T-8506 , SAE 30304 , SAE J405 (30304) , UNS S30400 |
| Composition | |
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| Mechanical Properties | |
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| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Density (×1000 kg/m3) | 8 | 25 | |
| Poisson's Ratio | 0.27-0.30 | 25 | |
| Elastic Modulus (GPa) | 193 | 25 | |
| Tensile Strength (Mpa) | 515 | 25 | hot finished and annealed (plate, sheet, strip) more |
| Yield Strength (Mpa) | 205 | ||
| Elongation (%) | 40 | ||
| Reduction in Area (%) | 50 | ||
| Hardness (HRB) | 88 | 25 | annealed (plate, sheet, strip) |
| Thermal Properties | |
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| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Thermal Expansion (10-6/ºC) | 17.2 | 0-100 more | |
| Thermal Conductivity (W/m-K) | 16.2 | 100 more | |
| Specific Heat (J/kg-K) | 500 | 0-100 | |
| Electric Properties | |
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