Haynes 556

Haynes 556® alloy, cold rolled, solution annealed sheet, 0.8-2.8 mm thick

Subcategories: Metal; Superalloy; Iron Base

Close Analogs:

Key Words:  UNS R30556, AMS 5874, AMS 5877, AMS 5831

Component Weight %
Al 0.2
C 0.1
Cr 22
Co 18
Fe 31
La 0.020
Mn 1.0
Mo 3.0
Ni 20
Ni 0.20
Si 0.40
Ta 0.60
W 2.5
Zr 0.020
Physical Properties Metric English Comments Cold Head Hot Forge Wire Form
Density 8.23 g/cc 0.297 lb/in³ at RT
Mechanical Properties Metric English Comments Cold Head Hot Forge Wire Form
Tensile Strength, Ultimate 815 MPa 118000 psi
100 MPa 14500 psi
@Temperature 1095 °C @Temperature 2003 °F
195 MPa 28300 psi
@Temperature 980 °C @Temperature 1800 °F
330 MPa 47900 psi
@Temperature 870 °C @Temperature 1600 °F
470 MPa 68200 psi
@Temperature 760 °C @Temperature 1400 °F
590 MPa 85600 psi
@Temperature 650 °C @Temperature 1200 °F
645 MPa 93500 psi
@Temperature 540 °C @Temperature 1000 °F
Tensile Strength, Yield 410 MPa 59500 psi
@Strain 0.200 % @Strain 0.200 %
55.0 MPa 7980 psi
@Strain 0.200 %, @Strain 0.200 %,
Temperature 1095 °C Temperature 2003 °F
105 MPa 15200 psi
@Strain 0.200 %, @Strain 0.200 %,
Temperature 980 °C Temperature 1800 °F
195 MPa 28300 psi
@Strain 0.200 %, @Strain 0.200 %,
Temperature 870 °C Temperature 1600 °F
220 MPa 31900 psi
@Strain 0.200 %, @Strain 0.200 %,
Temperature 760 °C Temperature 1400 °F
225 MPa 32600 psi
@Strain 0.200 %, @Strain 0.200 %,
Temperature 650 °C Temperature 1200 °F
240 MPa 34800 psi
@Strain 0.200 %, @Strain 0.200 %,
Temperature 540 °C Temperature 1000 °F
Elongation at Break 47.70% 47.70% in 50.8 mm
49.10% 49.10% in 50.8 mm
@Temperature 760 °C @Temperature 1400 °F
52.40% 52.40% in 50.8 mm
@Temperature 650 °C @Temperature 1200 °F
52.60% 52.60% in 50.8 mm
@Temperature 870 °C @Temperature 1600 °F
54.40% 54.40% in 50.8 mm
@Temperature 540 °C @Temperature 1000 °F
55.40% 55.40% in 50.8 mm
@Temperature 1095 °C @Temperature 2003 °F
63.30% 63.30% in 50.8 mm
@Temperature 980 °C @Temperature 1800 °F
Modulus of Elasticity 205 GPa 29700 ksi RT
138 GPa 20000 ksi
@Temperature 1000 °C @Temperature 1830 °F
143 GPa 20700 ksi
@Temperature 900 °C @Temperature 1650 °F
148 GPa 21500 ksi
@Temperature 800 °C @Temperature 1470 °F
155 GPa 22500 ksi
@Temperature 700 °C @Temperature 1290 °F
164 GPa 23800 ksi
@Temperature 600 °C @Temperature 1110 °F
172 GPa 24900 ksi
@Temperature 500 °C @Temperature 932 °F
179 GPa 26000 ksi
@Temperature 400 °C @Temperature 752 °F
187 GPa 27100 ksi
@Temperature 300 °C @Temperature 572 °F
195 GPa 28300 ksi
@Temperature 200 °C @Temperature 392 °F
200 GPa 29000 ksi
@Temperature 100 °C @Temperature 212 °F
Charpy Impact 240 J 177 ft-lb Samples did not break. Average of 4 or more tests.
Electrical Properties Metric English Comments Cold Head Hot Forge Wire Form
0.0000952 ohm-cm 0.0000952 ohm-cm RT
0.0000986 ohm-cm 0.0000986 ohm-cm
@Temperature 100 °C @Temperature 212 °F
0.0001026 ohm-cm 0.0001026 ohm-cm
@Temperature 200 °C @Temperature 392 °F
0.0001065 ohm-cm 0.0001065 ohm-cm
@Temperature 300 °C @Temperature 572 °F
0.0001095 ohm-cm 0.0001095 ohm-cm
@Temperature 400 °C @Temperature 752 °F
0.0001125 ohm-cm 0.0001125 ohm-cm
@Temperature 500 °C @Temperature 932 °F
0.0001151 ohm-cm 0.0001151 ohm-cm
@Temperature 600 °C @Temperature 1110 °F
0.0001172 ohm-cm 0.0001172 ohm-cm
@Temperature 700 °C @Temperature 1290 °F
0.000119 ohm-cm 0.000119 ohm-cm
@Temperature 800 °C @Temperature 1470 °F
0.0001207 ohm-cm 0.0001207 ohm-cm
@Temperature 900 °C @Temperature 1650 °F
0.0001223 ohm-cm 0.0001223 ohm-cm
@Temperature 1000 °C @Temperature 1830 °F
0.0001237 ohm-cm 0.0001237 ohm-cm
@Temperature 1100 °C @Temperature 2010 °F
Thermal Properties Metric English Comments Cold Head Hot Forge Wire Form
CTE, linear 14.7 µm/m-°C 8.17 µin/in-°F
@Temperature 25.0 – 100 °C @Temperature 77.0 – 212 °F
14.9 µm/m-°C 8.28 µin/in-°F
@Temperature 25.0 – 200 °C @Temperature 77.0 – 392 °F
15.1 µm/m-°C 8.39 µin/in-°F
@Temperature 25.0 – 300 °C @Temperature 77.0 – 572 °F
15.4 µm/m-°C 8.56 µin/in-°F
@Temperature 25.0 – 400 °C @Temperature 77.0 – 752 °F
15.7 µm/m-°C 8.72 µin/in-°F
@Temperature 25.0 – 500 °C @Temperature 77.0 – 932 °F
16.1 µm/m-°C 8.94 µin/in-°F
@Temperature 25.0 – 600 °C @Temperature 77.0 – 1110 °F
16.4 µm/m-°C 9.11 µin/in-°F
@Temperature 25.0 – 700 °C @Temperature 77.0 – 1290 °F
16.7 µm/m-°C 9.28 µin/in-°F
@Temperature 25.0 – 800 °C @Temperature 77.0 – 1470 °F
17.0 µm/m-°C 9.44 µin/in-°F
@Temperature 25.0 – 900 °C @Temperature 77.0 – 1650 °F
17.1 µm/m-°C 9.50 µin/in-°F
@Temperature 25.0 – 1000 °C @Temperature 77.0 – 1830 °F
Specific Heat Capacity 0.464 J/g-°C 0.111 BTU/lb-°F RT
0.475 J/g-°C 0.114 BTU/lb-°F
@Temperature 100 °C @Temperature 212 °F
0.493 J/g-°C 0.118 BTU/lb-°F
@Temperature 200 °C @Temperature 392 °F
0.508 J/g-°C 0.121 BTU/lb-°F
@Temperature 300 °C @Temperature 572 °F
0.523 J/g-°C 0.125 BTU/lb-°F
@Temperature 400 °C @Temperature 752 °F
0.538 J/g-°C 0.129 BTU/lb-°F
@Temperature 500 °C @Temperature 932 °F
0.552 J/g-°C 0.132 BTU/lb-°F
@Temperature 600 °C @Temperature 1110 °F
0.561 J/g-°C 0.134 BTU/lb-°F
@Temperature 700 °C @Temperature 1290 °F
0.570 J/g-°C 0.136 BTU/lb-°F
@Temperature 800 °C @Temperature 1470 °F
0.595 J/g-°C 0.142 BTU/lb-°F
@Temperature 900 °C @Temperature 1650 °F
0.618 J/g-°C 0.148 BTU/lb-°F
@Temperature 1000 °C @Temperature 1830 °F
0.638 J/g-°C 0.152 BTU/lb-°F
@Temperature 1100 °C @Temperature 2010 °F
Thermal Conductivity 11.1 W/m-K 77.0 BTU-in/hr-ft²-°F RT
13.1 W/m-K 90.9 BTU-in/hr-ft²-°F
@Temperature 100 °C @Temperature 212 °F
15.4 W/m-K 107 BTU-in/hr-ft²-°F
@Temperature 200 °C @Temperature 392 °F
17.3 W/m-K 120 BTU-in/hr-ft²-°F
@Temperature 300 °C @Temperature 572 °F
19.0 W/m-K 132 BTU-in/hr-ft²-°F
@Temperature 400 °C @Temperature 752 °F
20.8 W/m-K 144 BTU-in/hr-ft²-°F
@Temperature 500 °C @Temperature 932 °F
22.4 W/m-K 155 BTU-in/hr-ft²-°F
@Temperature 600 °C @Temperature 1110 °F
24.0 W/m-K 167 BTU-in/hr-ft²-°F
@Temperature 700 °C @Temperature 1290 °F
25.5 W/m-K 177 BTU-in/hr-ft²-°F
@Temperature 800 °C @Temperature 1470 °F
27.2 W/m-K 189 BTU-in/hr-ft²-°F
@Temperature 900 °C @Temperature 1650 °F
28.9 W/m-K 201 BTU-in/hr-ft²-°F
@Temperature 1000 °C @Temperature 1830 °F
30.4 W/m-K 211 BTU-in/hr-ft²-°F
@Temperature 1100 °C @Temperature 2010 °F
Melting Point 1330 – 1415 °C 2430 – 2579 °F
Solidus 1330 °C 2430 °F
Liquidus 1415 °C 2579 °F