| Category | Metal , Superalloy , Iron Base | 
| Manufacturer | Haynes International, Inc. | 
| Trade Name | |
| Port | Shanghai port,China | 
| Trade Terms | FOB, CFR, CIF | 
| Payment Terms | L/C, T/T, Western Union | 
| Download PDF | Haynes 556® alloy, bar, after 8000 hours at 760°C (1400°F).pdf  | 
| Price | EMAIL US sales@lookpolymers.com | 
| Physical Properties | Metric | English | Comments | 
|---|---|---|---|
| Density | 8.23 g/cc | 0.297 lb/in³ | at RT | 
| Mechanical Properties | Metric | English | Comments | 
|---|---|---|---|
| Tensile Strength, Ultimate | 865 MPa | 125000 psi | |
| Tensile Strength, Yield | 375           MPa @Strain 0.200 % | 54400           psi @Strain 0.200 % | |
| Elongation at Break | 24.7 % | 24.7 % | in 50.8 mm | 
| Modulus of Elasticity | 205 GPa | 29700 ksi | RT | 
| 138           GPa @Temperature 1000 °C | 20000           ksi @Temperature 1830 °F | ||
| 143           GPa @Temperature 900 °C | 20700           ksi @Temperature 1650 °F | ||
| 148           GPa @Temperature 800 °C | 21500           ksi @Temperature 1470 °F | ||
| 155           GPa @Temperature 700 °C | 22500           ksi @Temperature 1290 °F | ||
| 164           GPa @Temperature 600 °C | 23800           ksi @Temperature 1110 °F | ||
| 172           GPa @Temperature 500 °C | 24900           ksi @Temperature 932 °F | ||
| 179           GPa @Temperature 400 °C | 26000           ksi @Temperature 752 °F | ||
| 187           GPa @Temperature 300 °C | 27100           ksi @Temperature 572 °F | ||
| 195           GPa @Temperature 200 °C | 28300           ksi @Temperature 392 °F | ||
| 200           GPa @Temperature 100 °C | 29000           ksi @Temperature 212 °F | ||
| Charpy Impact | 240 J | 177 ft-lb | Samples did not break. Average of 4 or more tests. | 
| Thermal Properties | Metric | English | Comments | 
|---|---|---|---|
| CTE, linear | 14.7           µm/m-°C @Temperature 25.0 - 100 °C | 8.17           µin/in-°F @Temperature 77.0 - 212 °F | |
| 14.9           µm/m-°C @Temperature 25.0 - 200 °C | 8.28           µin/in-°F @Temperature 77.0 - 392 °F | ||
| 15.1           µm/m-°C @Temperature 25.0 - 300 °C | 8.39           µin/in-°F @Temperature 77.0 - 572 °F | ||
| 15.4           µm/m-°C @Temperature 25.0 - 400 °C | 8.56           µin/in-°F @Temperature 77.0 - 752 °F | ||
| 15.7           µm/m-°C @Temperature 25.0 - 500 °C | 8.72           µin/in-°F @Temperature 77.0 - 932 °F | ||
| 16.1           µm/m-°C @Temperature 25.0 - 600 °C | 8.94           µin/in-°F @Temperature 77.0 - 1110 °F | ||
| 16.4           µm/m-°C @Temperature 25.0 - 700 °C | 9.11           µin/in-°F @Temperature 77.0 - 1290 °F | ||
| 16.7           µm/m-°C @Temperature 25.0 - 800 °C | 9.28           µin/in-°F @Temperature 77.0 - 1470 °F | ||
| 17.0           µm/m-°C @Temperature 25.0 - 900 °C | 9.44           µin/in-°F @Temperature 77.0 - 1650 °F | ||
| 17.1           µm/m-°C @Temperature 25.0 - 1000 °C | 9.50           µin/in-°F @Temperature 77.0 - 1830 °F | ||
| Specific Heat Capacity | 0.464 J/g-°C | 0.111 BTU/lb-°F | RT | 
| 0.475           J/g-°C @Temperature 100 °C | 0.114           BTU/lb-°F @Temperature 212 °F | ||
| 0.493           J/g-°C @Temperature 200 °C | 0.118           BTU/lb-°F @Temperature 392 °F | ||
| 0.508           J/g-°C @Temperature 300 °C | 0.121           BTU/lb-°F @Temperature 572 °F | ||
| 0.523           J/g-°C @Temperature 400 °C | 0.125           BTU/lb-°F @Temperature 752 °F | ||
| 0.538           J/g-°C @Temperature 500 °C | 0.129           BTU/lb-°F @Temperature 932 °F | ||
| 0.552           J/g-°C @Temperature 600 °C | 0.132           BTU/lb-°F @Temperature 1110 °F | ||
| 0.561           J/g-°C @Temperature 700 °C | 0.134           BTU/lb-°F @Temperature 1290 °F | ||
| 0.570           J/g-°C @Temperature 800 °C | 0.136           BTU/lb-°F @Temperature 1470 °F | ||
| 0.595           J/g-°C @Temperature 900 °C | 0.142           BTU/lb-°F @Temperature 1650 °F | ||
| 0.618           J/g-°C @Temperature 1000 °C | 0.148           BTU/lb-°F @Temperature 1830 °F | ||
| 0.638           J/g-°C @Temperature 1100 °C | 0.152           BTU/lb-°F @Temperature 2010 °F | ||
| Thermal Conductivity | 11.1 W/m-K | 77.0 BTU-in/hr-ft²-°F | RT | 
| 13.1           W/m-K @Temperature 100 °C | 90.9           BTU-in/hr-ft²-°F @Temperature 212 °F | ||
| 15.4           W/m-K @Temperature 200 °C | 107           BTU-in/hr-ft²-°F @Temperature 392 °F | ||
| 17.3           W/m-K @Temperature 300 °C | 120           BTU-in/hr-ft²-°F @Temperature 572 °F | ||
| 19.0           W/m-K @Temperature 400 °C | 132           BTU-in/hr-ft²-°F @Temperature 752 °F | ||
| 20.8           W/m-K @Temperature 500 °C | 144           BTU-in/hr-ft²-°F @Temperature 932 °F | ||
| 22.4           W/m-K @Temperature 600 °C | 155           BTU-in/hr-ft²-°F @Temperature 1110 °F | ||
| 24.0           W/m-K @Temperature 700 °C | 167           BTU-in/hr-ft²-°F @Temperature 1290 °F | ||
| 25.5           W/m-K @Temperature 800 °C | 177           BTU-in/hr-ft²-°F @Temperature 1470 °F | ||
| 27.2           W/m-K @Temperature 900 °C | 189           BTU-in/hr-ft²-°F @Temperature 1650 °F | ||
| 28.9           W/m-K @Temperature 1000 °C | 201           BTU-in/hr-ft²-°F @Temperature 1830 °F | ||
| 30.4           W/m-K @Temperature 1100 °C | 211           BTU-in/hr-ft²-°F @Temperature 2010 °F | ||
| Melting Point | 1330 - 1415 °C | 2430 - 2579 °F | |
| Solidus | 1330 °C | 2430 °F | |
| Liquidus | 1415 °C | 2579 °F | 
| Component Elements Properties | Metric | English | Comments | 
|---|---|---|---|
| Aluminum, Al | 0.20 % | 0.20 % | 
| Electrical Properties | Metric | English | Comments | 
|---|---|---|---|
| Electrical Resistivity | 0.0000952 ohm-cm | 0.0000952 ohm-cm | RT | 
| 0.0000986           ohm-cm @Temperature 100 °C | 0.0000986           ohm-cm @Temperature 212 °F | ||
| 0.0001026           ohm-cm @Temperature 200 °C | 0.0001026           ohm-cm @Temperature 392 °F | ||
| 0.0001065           ohm-cm @Temperature 300 °C | 0.0001065           ohm-cm @Temperature 572 °F | ||
| 0.0001095           ohm-cm @Temperature 400 °C | 0.0001095           ohm-cm @Temperature 752 °F | ||
| 0.0001125           ohm-cm @Temperature 500 °C | 0.0001125           ohm-cm @Temperature 932 °F | ||
| 0.0001151           ohm-cm @Temperature 600 °C | 0.0001151           ohm-cm @Temperature 1110 °F | ||
| 0.0001172           ohm-cm @Temperature 700 °C | 0.0001172           ohm-cm @Temperature 1290 °F | ||
| 0.000119           ohm-cm @Temperature 800 °C | 0.000119           ohm-cm @Temperature 1470 °F | ||
| 0.0001207           ohm-cm @Temperature 900 °C | 0.0001207           ohm-cm @Temperature 1650 °F | ||
| 0.0001223           ohm-cm @Temperature 1000 °C | 0.0001223           ohm-cm @Temperature 1830 °F | ||
| 0.0001237           ohm-cm @Temperature 1100 °C | 0.0001237           ohm-cm @Temperature 2010 °F |