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Haynes R-41 alloy,

Category Metal , Nonferrous Metal , Nickel Alloy , Superalloy
Manufacturer Haynes International, Inc.
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Vacuum melted, exceptionally high strength at temperature between 649-982°C. Precipitation-hardening type, strength developed by various solutioning and aging heat treatments. Applications include afterburner parts and nozzle diaphragm partitions in current gas turbine engines. Formed with success on drop-hammers, expanding mandrels and stretch formers.Data provided by the manufacturer, Haynes International, Inc.
Physical Properties Metric English Comments
Density 8.25 g/cc
0.298 lb/in³
Mechanical Properties Metric English Comments
Hardness, Brinell 360

@Temperature 760 °C
 360

@Temperature 1400 °F
 Converted from Rockwell C hardness (aged)
Hardness, Knoop 392

@Temperature 760 °C
 392

@Temperature 1400 °F
 Converted from Rockwell C hardness (aged)
Hardness, Rockwell B 86

@Temperature 760 °C
 86

@Temperature 1400 °F
 annealed
Hardness, Rockwell C 39

@Temperature 760 °C
 39

@Temperature 1400 °F
 aged
Hardness, Vickers 378

@Temperature 760 °C
 378

@Temperature 1400 °F
 Converted from Rockwell C hardness (aged)
Tensile Strength, Ultimate 952 MPa

@Temperature 760 °C
 138000 psi

@Temperature 1400 °F
Tensile Strength, Yield 795 MPa

@Strain 0.200 %,
Temperature 760 °C
 115000 psi

@Strain 0.200 %,
Temperature 1400 °F
Elongation at Break 5.0 %

@Temperature 760 °C
 5.0 %

@Temperature 1400 °F
 in 50.8 mm
Modulus of Elasticity 150 GPa

@Temperature 927 °C
 21800 ksi

@Temperature 1700 °F
160 GPa

@Temperature 871 °C
 23200 ksi

@Temperature 1600 °F
163 GPa

@Temperature 843 °C
 23600 ksi

@Temperature 1550 °F
166 GPa

@Temperature 816 °C
 24100 ksi

@Temperature 1500 °F
171 GPa

@Temperature 760 °C
 24800 ksi

@Temperature 1400 °F
178 GPa

@Temperature 677 °C
 25800 ksi

@Temperature 1250 °F
179 GPa

@Temperature 649 °C
 26000 ksi

@Temperature 1200 °F
182 GPa

@Temperature 593 °C
 26400 ksi

@Temperature 1100 °F
188 GPa

@Temperature 538 °C
 27300 ksi

@Temperature 1000 °F
190 GPa

@Temperature 482 °C
 27600 ksi

@Temperature 900 °F
198 GPa

@Temperature 371 °C
 28700 ksi

@Temperature 700 °F
204 GPa

@Temperature 260 °C
 29600 ksi

@Temperature 500 °F
213 GPa

@Temperature 149 °C
 30900 ksi

@Temperature 300 °F
218 GPa

@Temperature 27.0 °C
 31600 ksi

@Temperature 80.6 °F
Poissons Ratio 0.31

@Temperature 149 °C
 0.31

@Temperature 300 °F
0.31

@Temperature 27.0 °C
 0.31

@Temperature 80.6 °F
0.32

@Temperature 482 °C
 0.32

@Temperature 900 °F
0.32

@Temperature 371 °C
 0.32

@Temperature 700 °F
0.32

@Temperature 260 °C
 0.32

@Temperature 500 °F
0.33

@Temperature 760 °C
 0.33

@Temperature 1400 °F
0.33

@Temperature 677 °C
 0.33

@Temperature 1250 °F
0.33

@Temperature 649 °C
 0.33

@Temperature 1200 °F
0.34

@Temperature 843 °C
 0.34

@Temperature 1550 °F
0.35

@Temperature 927 °C
 0.35

@Temperature 1700 °F
Shear Modulus 55.0 GPa

@Temperature 927 °C
 7980 ksi

@Temperature 1700 °F
61.0 GPa

@Temperature 843 °C
 8850 ksi

@Temperature 1550 °F
64.0 GPa

@Temperature 760 °C
 9280 ksi

@Temperature 1400 °F
67.0 GPa

@Temperature 677 °C
 9720 ksi

@Temperature 1250 °F
69.0 GPa

@Temperature 593 °C
 10000 ksi

@Temperature 1100 °F
72.0 GPa

@Temperature 482 °C
 10400 ksi

@Temperature 900 °F
75.0 GPa

@Temperature 371 °C
 10900 ksi

@Temperature 700 °F
77.0 GPa

@Temperature 260 °C
 11200 ksi

@Temperature 500 °F
81.0 GPa

@Temperature 149 °C
 11700 ksi

@Temperature 300 °F
83.0 GPa

@Temperature 27.0 °C
 12000 ksi

@Temperature 80.6 °F
Thermal Properties Metric English Comments
CTE, linear 13.5 µm/m-°C

@Temperature 21.0 - 538 °C
 7.50 µin/in-°F

@Temperature 69.8 - 1000 °F
14.0 µm/m-°C

@Temperature 21.0 - 649 °C
 7.78 µin/in-°F

@Temperature 69.8 - 1200 °F
14.8 µm/m-°C

@Temperature 21.0 - 760 °C
 8.22 µin/in-°F

@Temperature 69.8 - 1400 °F
15.2 µm/m-°C

@Temperature 21.0 - 871 °C
 8.44 µin/in-°F

@Temperature 69.8 - 1600 °F
16.3 µm/m-°C

@Temperature 21.0 - 927 °C
 9.06 µin/in-°F

@Temperature 69.8 - 1700 °F
16.8 µm/m-°C

@Temperature 21.0 - 982 °C
 9.33 µin/in-°F

@Temperature 69.8 - 1800 °F
Specific Heat Capacity 0.452 J/g-°C

@Temperature 21.0 °C
 0.108 BTU/lb-°F

@Temperature 69.8 °F
Thermal Conductivity 11.5 W/m-K

@Temperature 149 °C
 79.8 BTU-in/hr-ft²-°F

@Temperature 300 °F
12.5 W/m-K

@Temperature 204 °C
 86.8 BTU-in/hr-ft²-°F

@Temperature 399 °F
13.6 W/m-K

@Temperature 260 °C
 94.4 BTU-in/hr-ft²-°F

@Temperature 500 °F
14.7 W/m-K

@Temperature 316 °C
 102 BTU-in/hr-ft²-°F

@Temperature 601 °F
16.8 W/m-K

@Temperature 427 °C
 117 BTU-in/hr-ft²-°F

@Temperature 801 °F
18.8 W/m-K

@Temperature 538 °C
 130 BTU-in/hr-ft²-°F

@Temperature 1000 °F
20.0 W/m-K

@Temperature 593 °C
 139 BTU-in/hr-ft²-°F

@Temperature 1100 °F
21.0 W/m-K

@Temperature 644 °C
 146 BTU-in/hr-ft²-°F

@Temperature 1190 °F
22.0 W/m-K

@Temperature 704 °C
 153 BTU-in/hr-ft²-°F

@Temperature 1300 °F
23.1 W/m-K

@Temperature 760 °C
 160 BTU-in/hr-ft²-°F

@Temperature 1400 °F
24.1 W/m-K

@Temperature 816 °C
 167 BTU-in/hr-ft²-°F

@Temperature 1500 °F
25.1 W/m-K

@Temperature 871 °C
 174 BTU-in/hr-ft²-°F

@Temperature 1600 °F
Melting Point 1310 - 1345 °C
2390 - 2453 °F
Solidus 1310 °C
2390 °F
Liquidus 1335 °C
2435 °F
Component Elements Properties Metric English Comments
Aluminum, Al 1.4 - 1.6 %
1.4 - 1.6 %
Boron, B 0.0030 - 0.010 %
0.0030 - 0.010 %
Carbon, C 0.050 - 0.12 %
0.050 - 0.12 %
Chromium, Cr 18 - 20 %
18 - 20 %
Cobalt, Co 10 - 12 %
10 - 12 %
Iron, Fe <= 5.0 %
<= 5.0 %
Manganese, Mn <= 0.10 %
<= 0.10 %
Molybdenum, Mo 9.0 - 10.5 %
9.0 - 10.5 %
Nickel, Ni 53 %
53 %
As Remainder
Silicon, Si <= 0.50 %
<= 0.50 %
Electrical Properties Metric English Comments
Magnetic Permeability <= 1.002

@Temperature 21.0 °C
 <= 1.002

@Temperature 69.8 °F
 at 200 oersteds
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