HAYNES® 617 alloy
Principal Features
HAYNES® 617 alloy (UNS N06617) is a nickel-chromium-cobalt-molybdenum alloy with a good combination of metallurgical stability, strength, and oxidation resistance at high temperatures. The alloy is readily formed and welded by conventional techniques. HAYNES® 617 alloy is use in applications such as gas turbines for combustion cans, ducting, and transition lines. For modern applications, HAYNES® 230® alloy should be considered as a replacement.
*Please contact our technical support team if you have technical questions about this alloy.
Nominal Composition
Weight % | |
Nickel | Balance |
Cobalt | 12.5 |
Chromium | 22 |
Molybdenum | 9 |
Manganese | 0.2 max. |
Silicon | 0.2 max. |
Iron | 1 |
Titanium | 0.3 |
Aluminum | 1.2 |
Carbon | 0.07 |
Boron | 0.006 max. |
Creep and Stress-Rupture Strength
Solution annealed Sheet
Temperature | Creep | Approximate Initial Stress to Produce Specified Creep in | ||||||
10 Hours | 100 Hours | 1,000 Hours | ||||||
°F | °C | % | ksi | MPa | ksi | MPa | ksi | MPa |
1400 | 760 | 0.5 | 18.7 | 129 | 14.5 | 100 | 11 | 76 |
1 | 20.5 | 141 | 15.5 | 107 | 12 | 83 | ||
R | 33* | 228* | 26 | 179 | 20 | 138 | ||
1500 | 816 | 0.5 | 13.2* | 91* | 10.2 | 70 | 7.7 | 53 |
1 | 14.0* | 97* | 10.8 | 74 | 8.5 | 59 | ||
R | 23.5 | 162 | 17.0 | 117 | 12.2 | 84 | ||
1600 | 871 | 0.5 | 9.5 | 66 | 7.3 | 50 | 5.0* | 34* |
1 | 10.0 | 69 | 7.7 | 53 | 5.3* | 37* | ||
R | 16.5 | 114 | 11.4 | 79 | 7.3 | 50 | ||
1700 | 927 | 0.5 | 6.5 | 45 | 4.3 | 30 | 2.9* | 20* |
1 | 7.4 | 51 | 4.8 | 33 | 3.2* | 22* | ||
R | 11.7 | 81 | 7.4 | 51 | 4.5 | 31 | ||
1800 | 982 | 0.5 | – | – | 2.9 | 20 | 1.7 | 12 |
1 | – | – | 3.3 | 23 | 1.9 | 13 | ||
R | – | – | 5.2 | 36 | 2.3 | 16 |
*Significant extrapolation
Oxidation Resistance
Comparative Oxidation Resistance in Flowing Air, 1008 Hours*
Material | 1800°F (982°C) | 2000°F (1093°C) | 2100°F (1149°C) | 2200°F (1204°C) | ||||||||||||
Average Metal Loss | Average Metal Affected | Average Metal Loss | Average Metal Affected | Average Metal Loss | Average Metal Affected | Average Metal Loss | Average Metal Affected | |||||||||
Mils | μm | Mils | μm | Mils | μm | Mils | μm | Mils | μm | Mils | μm | Mils | μm | Mils | μm | |
214® | 0.1 | 3 | 0.3 | 8 | 0.1 | 3 | 0.2 | 5 | 0.1 | 3 | 0.5 | 13 | 0.1 | 3 | 0.7 | 18 |
230® | 0.2 | 5 | 1.5 | 38 | 0.5 | 13 | 3.3 | 84 | 1.2 | 30 | 4.4 | 112 | 4.7 | 119 | 8.3 | 211 |
X | 0.2 | 5 | 1.5 | 38 | 1.3 | 33 | 4.4 | 112 | 3.6 | 91 | 6.1 | 115 | – | – | – | – |
601 | 0.4 | 10 | 1.7 | 43 | 1.3 | 33 | 3.8 | 97 | 2.8 | 71 | 6.5 | 165 | 4.4 | 112 | 7.5 | 191 |
625 | 0.4 | 10 | 1.9 | 48 | 3.5 | 89 | 7.8 | 198 | 18.3 | 465 | 20.2 | 513 | – | – | – | – |
617 | 0.3 | 8 | 2.0 | 51 | 0.6 | 15 | 3.8 | 97 | 1 | 25 | 5.2 | 132 | 10.7 | 272 | 12.6 | 320 |
HR-120® | 0.4 | 10 | 2.1 | 53 | 1 | 25 | 4.4 | 112 | 7.9 | 201 | 10.1 | 257 | 21.7 | 551 | 25.4 | 645 |
556® | 0.4 | 10 | 2.3 | 58 | 1.5 | 38 | 6.9 | 175 | 10.4 | 264 | 17.5 | 445 | – | – | – | – |
600 | 0.3 | 8 | 2.4 | 61 | 0.9 | 23 | 3.3 | 84 | 2.8 | 71 | 4.8 | 122 | 5.1 | 130 | 8.4 | 213 |
*Flowing air at a velocity of 7.0 ft/min (213.4 cm/min) past the samples. Samples cycled to room temperature once per week.
Amount of metal affected for high-temperature sheet (0.060 – 0.125”) alloys
exposed in still air
Alloy | 1800°F (982°C), 8640 h | 2100°F (1149°C), 8640 h | ||||||
Metal Loss | Average Metal Affected | Metal Loss | Average Metal Affected | |||||
mils | μm | mils | μm | mils | μm | mils | μm | |
214® | 0.1 | 3 | 0.2 | 5 | – | – | – | – |
188 | 0.4 | 10 | 3 | 76 | – | – | – | – |
230® | 0.5 | 13 | 3.4 | 86 | 11.1 | 282 | 34 | 864 |
617 | 0.7 | 18 | 3.7 | 94 | 21.3 | 541 | 37.2 | 945 |
X | 3 | 76 | 5.1 | 130 | – | – | – | – |
556® | 7.6 | 193 | 11.9 | 302 | >247.5 | >6287 | >247.5 | >6287 |
HR‐120® | 9.2 | 234 | 14.4 | 366 | 43.7 | 1110 | 53 | 1346 |
HR-160® | 2.6 | 66 | 17.7 | 450 | 7.6 | 193 | 58.7 | 1491 |
Samples cycled to room temperature once per month.
Dynamic Oxidation Testing (Burner Rig)
Alloy | 1600°F (871°C)/2000 Hours | 1800°F (982°C)/1000 Hours | ||||||
Metal Loss | Average Metal Affected | Metal Loss | Average Metal Affected | |||||
Mils | µm | Mils | µm | Mils | µm | Mils | µm | |
214® | 1.3 | 33 | 1.3 | 33 | 1.5 | 38 | 1.8 | 46 |
625 | 1.2 | 30 | 2.2 | 56 | 3.7 | 94 | 6.0 | 152 |
188 | 1.1 | 28 | 2.9 | 74 | 1.1 | 28 | 3.2 | 81 |
230® | 0.9 | 23 | 3.9 | 99 | 2.8 | 71 | 5.6 | 142 |
556® | 1.5 | 38 | 3.9 | 99 | 4.1 | 104 | 6.7 | 170 |
X | 1.7 | 43 | 5.3 | 135 | 4.3 | 109 | 7.3 | 185 |
617 | 2.0 | 51 | 7.8 | 198 | 2.4 | 61 | 5.7 | 145 |
601 | 1.9 | 48 | 9.6 | 244 | 5.7 | 145 | Through thickness | |
HR-120® | – | – | – | – | 6.3 | 160 | 8.3 | 211 |
Alloy | 2000°F (1093°C)/500 Hours | 2100°F (1149°C)/200 Hours | ||||||
Metal Loss | Average Metal Affected | Metal Loss | Average Metal Affected | |||||
Mils | µm | Mils | µm | Mils | µm | Mils | µm | |
214® | 1.2 | 30 | 1.5 | 38 | 2.0 | 51 | 2.1 | 53 |
625 | Consumed | – | – | – | – | – | – | |
188 | 10.9 | 277 | 12.5 | 318 | 8.0 | 203 | 9.7 | 246 |
230® | 7.1 | 180 | 9.9 | 251 | 6.4 | 163 | 13.1 | 333 |
556® | 9.9 | 251 | 12.1 | 307 | 11.5 | 292 | 14 | 356 |
X | 11.6 | 295 | 14.0 | 356 | 13.9 | 353 | 15.9 | 404 |
617 | 13.3 | 338 | 20.9 | 531 | 13.8 | 351 | 15.3 | 389 |
601 | – | – | – | – | 16.3 | 414 | Through thickness | |
HR-120® | – | – | – | – | – | – | – | – |
Burner rig oxidation tests were conducted by exposing, in a rotating holder, samples 0.375 inch x 2.5 inches x thickness (9.5mm x 64mm x thickness) to the products of combustion of fuel oil (2 parts No. 1 and 1 part No. 2), burned at an air to fuel ratio of about 50:1. The gas velocity was about 0.3 mach. Samples were automatically removed from the gas stream every 30 minutes and fan cooled to less than 500°F (260°C) and then reinserted into the flame tunnel.
Metallographic Technique used for Evaluating Environmental Tests Haynes
Tensile Properties
Typical Tensile Properties, Plate
Test Temperature | 0.2% Offset Yield Strength | Ultimate Tensile Strength | Elongation | |||
°F | °C | ksi | MPa | ksi | MPa | % |
RT | RT | 53.4 | 368 | 117.2 | 808 | 53.3 |
1000 | 538 | 36.6 | 252 | 89.1 | 614 | 65.8 |
1200 | 469 | 34.4 | 237 | 91.2 | 629 | 69.2 |
1400 | 760 | 34.9 | 241 | 70.8 | 488 | 87.2 |
1600 | 871 | 31.0 | 214 | 41.3 | 285 | 97.9 |
1800 | 982 | 15.7 | 108 | 22.2 | 153 | 97.6 |
2000 | 1093 | 7.8 | 54 | 11.3 | 78 | 94.6 |
Typical Tensile Properties, Sheet
Test Temperature | 0.2 % Offset Yield Strength | Ultimate Tensile Strength | Elongation | |||
°F | °C | ksi | MPa | ksi | MPa | % |
RT | RT | 55.1 | 380 | 121.4 | 837 | 50.9 |
1000 | 538 | 38.1 | 263 | 103.9 | 716 | 58.9 |
1200 | 469 | 38.0 | 262 | 104.9 | 723 | 75.2 |
1400 | 760 | 37.6 | 259 | 73.9 | 510 | 89.8 |
1600 | 871 | 28.7 | 198 | 38.3 | 264 | 131.7 |
1800 | 982 | 13.2 | 91 | 19.6 | 135 | 111.4 |
2000 | 1093 | 6.4 | 44 | 9.7 | 67 | 92.2 |
Thermal Stability
Room-Temperature Properties of Plate After Thermal Exposure
Condition | 0.2% Yield Strength | Ultimate Tensile Strength | 4D Elongation | Reduction of Area | Impact Strength | |||
ksi | MPa | ksi | MPa | % | % | ft.-lbs. | J | |
Solution Annealed | 50.2 | 346 | 116.3 | 802 | 56.3 | 50.9 | 186.5* | 253* |
+ 1200°F (649°C)/ 1,000 hr. | 83.3 | 574 | 145.9 | 1006 | 37.6 | 40.0 | 53.5 | 73 |
+ 1200°F (649°C)/ 4,000 hr. | 88.5 | 610 | 152.4 | 1051 | 34.4 | 36.4 | 53.4 | 72 |
+ 1200°F (649°C)/ 8,000 hr. | 90.4 | 623 | 152.8 | 1054 | 34.3 | 36.6 | 51.5 | 70 |
+ 1400°F (760°C)/ 1,000 hr | 71.6 | 494 | 138.7 | 956 | 39.7 | 45.2 | 57.0 | 77 |
+ 1400°F (760°C)/ 4,000 hr | 67.9 | 468 | 136.5 | 941 | 38.6 | 41.2 | 51.3 | 70 |
+ 1400°F (760°C)/ 8,000 hr | 64.5 | 445 | 136.0 | 938 | 37.1 | 36.9 | 35.5 | 48 |
+ 1400°F (760°C)/ 1,000 hr. | 50.7 | 350 | 121.2 | 836 | 49.9 | 51.7 | 90.0 | 122 |
+ 1600°F (871°C)/ 4,000 hr. | 49.7 | 343 | 119.7 | 825 | 48.0 | 51.3 | 80.6 | 109 |
+ 1600°F (871°C)/ 8,000 hr. | 47.6 | 328 | 118.8 | 819 | 49.8 | 50.5 | 67.0 | 91 |
*Did not break
Physical Properties
Physical Property | British Units | Metric Units | ||
Density | RT |
0.302 lb/in3 |
RT |
8.36 g/cm3 |
Melting Range | 2430- 2510°F | – | 1330-1375°C | – |
Thermal Conductivity | 400°F |
113 BTU-in/ft2-hr-°F |
200°C | 16.2 W/m-°C |
800°F |
137 BTU-in/ft2-hr-°F |
400°C | 19.4 W/m-°C | |
1000°F |
149 BTU-in/ft2-hr-°F |
500°C | 20.9 W/m-°C | |
1200°F |
161 BTU-in/ft2-hr-°F |
600°C | 22.5 W/m-°C | |
1400°F |
173 BTU-in/ft2-hr-°F |
700°C | 24.0 W/m-°C | |
1600°F |
185 BTU-in/ft2-hr-°F |
800°C | 25.6 W/m-°C | |
1800°F |
197 BTU-in/ft2-hr-°F |
900°C | 26.1 W/m-°C | |
2000°F |
209 BTU-in/ft2-hr-°F |
1000°C | 28.7 W/m-°C | |
Mean Coefficient of Thermal Expansion | 70-800°F | 7.6 µin/in -°F | 20-450°C | 13.7 µm/m- °C |
70-1000°F | 7.7 µin/in -°F | 20-500°C | 13.8 µm/m- °C | |
70-1200°F | 8.0 µin/in -°F | 20-600°C | 14.2 µm/m- °C | |
70-1400°F | 8.4 µin/in -°F | 20-700°C | 14.7 µm/m- °C | |
70-1600°F | 8.7 µin/in -°F | 20-800°C | 15.3 µm/m- °C | |
70-1800°F | 9.0 µin/in -°F | 20-900°C | 15.8 µm/m- °C | |
70-2000°F | 9.2 µin/in -°F | 20-1000°C | 16.2 µm/m- °C | |
Electrical Resistivity | 70°F | 48.1 µohm-in | 21°C | 122 µohm-cm |
400°F | 49.5 µohm-in | 200°C | 126 µohm-cm | |
800°F | 50.3 µohm-in | 400°C | 128 µohm-cm | |
1000°F | 51.5 µohm-in | 500°C | 130 µohm-cm | |
1200°F | 52.4 µohm-in | 600°C | 131 µohm-cm | |
1400°F | 52.8 µohm-in | 700°C | 133 µohm-cm | |
1600°F | 52.7 µohm-in | 800°C | 134 µohm-cm | |
1800°F | 53.9 µohm-in | 900°C | 134 µohm-cm | |
Dynamic Modulus of Elasticity | 70°F |
30.6 x 106psi |
20°C | 211 GPa |
400°F |
29.0 x 106psi |
200°C | 201 GPa | |
800°F |
26.9 x 106psi |
400°C | 188 GPa | |
1000°F |
25.8 x 106psi |
500°C | 180 GPa | |
1200°F |
24.6 x 106psi |
600°C | 173 GPa | |
1400°F |
23.3 x 106psi |
700°C | 166 GPa | |
1600°F |
21.9 x 106psi |
800°C | 157 GPa | |
1800°F |
20.5 x 106psi |
900°C | 148 GPa | |
2000°F |
18.8 x 106psi |
1000°C | 139 GPa |
Heat Treatment
Unless otherwise specified, wrought HAYNES® 617 alloy is normally supplied in the solution annealed condition. The alloy is usually solution annealed in the range of 2100°F to 2150°F (1149°C to 1177°C), depending on product form, for a time commensurate with section thickness and rapidly cooled or water-quenched for optimum properties.
Hardness and Grain Size
Form | Hardness | Typical ASTM Grain Size |
Sheet | 88 HRBW | 3 – 4.5 |
Plate | 91 HRBW | 3 – 5 |
Bar | 88 HRBW | 3 – 4.5 |
All samples tested in solution-annealed condition.
HRBW = Rockwell Hardness “B”, Tungsten Indentor.
Fabrication and Welding
HAYNES® 617 alloy is readily welded by Gas Tungsten Arc (GTAW), Gas Metal Arc (GMAW), Shielded Metal Arc (SMAW), electron bean welding, and resistance welding techniques. Submerged Arc welding is not recommended, as this process is characterized by high heat input to the base metal and slow cooling of the weld. These factors can increase weld restraint and promote cracking.
Base Metal Preparation
The joint surface and adjacent area should be thoroughly cleaned before welding. All grease, oil, crayon marks, sulfur compounds, and other foreign matter should be removed. Contact with copper or copper-bearing materials in the joint area should be avoided. It is preferable, but not necessary, that the alloy be in the solution-annealed condition when welded.
Filler Metal Selection
Matching composition filler metal is recommended for joining alloy 617. Please see the Haynes Welding SmartGuide for suggested filler metals for dissimilar welds.
Preheating, Interpass Temperatures, and Post-Weld Heat Treatment
Preheat is not required. Preheat is generally specified as room temperature (typical shop conditions). Interpass temperature should be maintained below 200°F (93°C). Auxiliary cooling methods may be used between weld passes, as needed, providing that such methods do not introduce contaminants. Post-weld heat treatment is not generally required for 617 alloy.
Specifications and Codes
Specifications
HAYNES® 617 alloy (N06617, W86117) | |
Sheet, Plate & Strip | AMS 5888AMS 5889SB 168/B 168P = 43 |
Billet, Rod & Bar | SB 166/B 166B 472AMS 5887P= 43 |
Coated Electrodes | SFA 5.11/A 5.11(ENiCrCoMo-1)F = 43 |
Bar Welding Rods | SFA 5.14/A 5.14(ERNiCrCoMo-1)F = 43 |
Seamless Pipe & Tube | SB 167/B 167P = 43 |
Weld Pipe & Tube | – |
Fittings | – |
Forgings | SB 564/B 564P= 43 |
DIN | – |
Others | – |
Codes
HAYNES® 617 alloy (N06617, W86117) | |||
ASME | Section l |
1650°F (899°C)4 |
|
Section lll | Class 1 | – | |
Class 2 | – | ||
Class 3 | – | ||
Section lV | HF-300.2 | – | |
Section Vlll | Div. 1 |
1800°F (982°C)4Code Case 27761650°F (899°C)19 |
|
Div. 2 | – | ||
Section Xll | – | ||
B16.5 | – | ||
B16.34 | – | ||
B31.1 |
1200°F (649°C)4 |
||
B31.3 | – |
1Approved material forms: Plate, Sheet, Bar, Forgings, seamless pipe/tube
2Approved material forms: Bolting
Disclaimer
Haynes International makes all reasonable efforts to ensure the accuracy and correctness of the data displayed on this site but makes no representations or warranties as to the data’s accuracy, correctness or reliability. All data are for general information only and not for providing design advice. Alloy properties disclosed here are based on work conducted principally by Haynes International, Inc. and occasionally supplemented by information from the open literature and, as such, are indicative only of the results of such tests and should not be considered guaranteed maximums or minimums. It is the responsibility of the user to test specific alloys under actual service conditions to determine their suitability for a particular purpose.
For specific concentrations of elements present in a particular product and a discussion of the potential health affects thereof, refer to the Safety Data Sheets supplied by Haynes International, Inc. All trademarks are owned by Haynes International, Inc., unless otherwise indicated.
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