|
|
|
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 |
 |
|
| Element | Weight % |
| C |
0.08 |
| Mn |
2.00 |
| Si |
1.00 |
| Cr |
18.0-20.0 |
| Ni |
8.0-10.5 |
| P |
0.045 |
| S |
0.03 |
| Mechanical Properties |
 |
|
| 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 |
 |
|
| 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 |
 |
|
| Properties | Conditions |
| T (°C) | Treatment |
| Electric Resistivity (10-9W-m) |
720 |
25 |
|
|