340
Compositio chemica
Chemical Compositio (wt%) limites definitos in ASTM A240 et ASME SA240*.
340
| Elementum | 347 |
| Carbon | 0.08 |
| Chromium | 17.0-19.0 |
| Nickel | 9.0-13.0 |
| Manganese | 2.00 |
| Pii | 0.75 |
| Phosphorus | 0.041 |
| Sulphur | 0.030 |
| Niobium | 10 x C min / 1.00 max |
* Maxime, nisi range indicatur
340
Mechanica Properties
Mechanica proprietas requisita pro annealed producto specifico in ASTM A240 et ASME SA240.
| Property | 347 |
| Vires cede, min.(ksi) | 30 |
| Tensile robur, min.(ksi) | 75 |
| Prolongatio, min.(%) | 40 |
| Duritia max.(Rb) | 92 |
Corporalia Properties
Corporalis proprietatibus pro Typus 347 immaculatam ferro
340
| Property | 347 Data |
| Densitas, lb/in3 | 0.288 |
| Modulus Elasticitatis, psi | 28.0 x 106 |
| Coefficiens Expansionis Thermalis, 68-212˚F, /˚F | 9.3 x 10-6 |
| Scelerisque Conductivity, Btu/ft hr F | 9.2 |
| Imprimis Caloris, Btu/lb F | 0.12 |
| Resistivity Electrical, Microohm-in | 28.4 |
Signa
Typica signa pro Typus 347 immaculatam ferro
340
| 347 |
| ASTM A240 |
| ASME SA240 |
| AMS 5512 |
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