301-1/2 Hard Tempered Stainless Steel Sheet & Coil - AMS 5518
301-1/2 Hard is an austenitic stainless steel that it has been cold rolled to its 1/2 hard condition. This makes it ideal for applications requiring both formability and tensile strength of 150,000 PSI and yield strength of 110,000 PSI.
301-1/2 Inventory Size Ranges
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Standard Inventory Specifications
- UNS S30100
- AMS 5518
- ASME SA 666
Other industry standards we comply with:
- EN 1.4310
- PWA-LCS
- GE Aircraft Engine (GT193)
- GE Aviation S-SPEC-35 AeDMS S-400
- RR SABRe Edition 2
- DFARS Compliant
Common Trade Names
- ATI 301 (™ Allegheny Technologies)
Common Applications of 301-1/2
- Aircraft structural parts
- Trailer bodies
- Architectural (roof drainage/door frames, etc.)
- Auto body trim and wheel covers
- Utensils and tablewear
- Conveyor parts
Chemical Composition
| Element | Percent by Weight | |
|---|---|---|
| C | Carbon | 0.15 maximum |
| Mn | Manganese | 2.00 maximum |
| P | Phosphorus | 0.045 maximum |
| S | Sulfur | 0.03 maximum |
| Si | Silicon | 1.00 maximum |
| Cr | Chromium | 16.00 - 18.00 |
| Ni | Nickel | 6.00 - 8.00 |
| N | Nitrogen | 0.10 maximum |
301-1/2 Hard Stainless Steel Physical Properties
- Melting Range: 2250-2950°F (1399-1421°C)
- Density: 0.2850 lb/in3 (7.88 g/cm3)
- Specific Gravity: 8.03
- Modulus of Elasticity in Tension: 28 x 106 psi (193 GPa)*
* In the cold worked condition, the modulus is lowered.
| Temperature Range | Coefficients | ||
|---|---|---|---|
| °C | °F | cm/cm°C | in/in/°F |
| 20-100 | 68-212 | 16.6 x 10-6 | 9.2 x 10-6 |
| 20-300 | 68-572 | 17.6 x 10-6 | 9.8 x 10-6 |
| 20-500 | 68-932 | 18.6 x 10-6 | 10.3 x 10-6 |
| 20-700 | 68-1292 | 19.5 x 10-6 | 10.8 x 10-6 |
| 20-871 | 68-1600 | 19.8 x 10-6 | 11.0 x 10-6 |
| Temperature Range | Coefficients | ||
|---|---|---|---|
| °C | °F | W/m·K | Btu/(hr/ft²/in/°F) |
| 20-100 | 68-212 | 16.3 | 9.4 |
| 20-500 | 68-932 | 21.4 | 12.4 |
| Temperature Range | J/kg°K | Btu/lb/°F | |
|---|---|---|---|
| °C | °F | ||
| 0-100 | 32-212 | 500 | 0.12 |
Magnetic Permeability
H/m Annealed 1.02 Max @ 200 H
| Temperature Range | microhm-cm | microhm-in | |
|---|---|---|---|
| °C | °F | ||
| 20 | 68 | 72 | 28.3 |
| 100 | 212 | 78 | 30.7 |
| 200 | 392 | 86 | 33.8 |
| 400 | 752 | 100 | 39.4 |
| 600 | 1112 | 111 | 43.7 |
| 800 | 1472 | 121 | 47.6 |
| 900 | 1652 | 126 | 49.6 |
Mechanical Properties and Yield Strength of 301-1/2 Hard
| Condition | Tensile Strength, Min. | 0.2% Yield Strength, Min. | Elong. In 2" (50mm) | ||
|---|---|---|---|---|---|
| Ksi | MPa | Ksi | MPa | %, Min. | |
| Annealed | 75 | 515 | 30 | 205 | 40 |
| 1/4 Hard | 125 | 862 | 75 | 517 | 25 |
| 1/2 Hard | 150 | 1034 | 110 | 758 | 18* |
| 3/4 Hard | 175 | 1207 | 135 | 931 | 12* |
| Full Hard | 185 | 1276 | 140 | 965 | 9* |
* Value shown for thickness greater than 0.015 in. (.038mm).
*The technical data provided is for information only and not for design purposes. It is not warranted or guaranteed.