The Inconel 718 hex bolt is a Gamma double prime reinforced alloy that has a reputation for having great weldability in terms of being joined. This classifies Inconel 718 as a high-performance superalloy.
The Alloy 718 studs exhibit many of the characteristics of superalloys, in keeping with their typical properties. Among these, its superior mechanical strength and resistance to thermal creep deformation are significant. Niobium or vanadium addition is used to reinforce nickel-based alloys that fall within the Gamma double prime category, such as the Alloy 718 forging.
The Inconel 718 stud bolts also exhibit excellent surface stability and have outstanding corrosion and oxidation resistance. This is the reason why these ASTM B637 UNS N07718 bolts are the perfect choice for use in the construction of turbine engines. The efficiency of turbine engines has grown along with an increase in turbine inlet temperatures because turbine engines operate on fundamental thermodynamic principles.
Many of our clients employ superalloy Inconel 718 forged rings due to the rise in temperatures. Since nickel is the main alloying component of Inconel, using Inconel 718 fasteners at elevated temperatures has no adverse effects on the application or the equipment being used. These Alloy 718 nuts can tolerate extremely high temperatures in addition to high pressures, making them effective in both situations.
Compare Inconel 718 Fasteners price with inconel 625 Fasteners price list
Fasteners made of Inconel 718 are utilised in cryogenic and aerospace engines. So exercise extreme caution when purchasing Inconel 718 bolts and nuts. When purchasing this material, always request a NACE 3.1 certification from your source.
| ASTM / ASME Name | ASTM B637/ ASME SB 637 |
| Material Standard | all International Standards and ASTM, DIN, BS |
| Sizes Available | 3/6" to 2" | M3 to M56 or Custom Sizes Available as per requirement |
| Stocking Length | 3 mm to 200 mm |
| Alloy 718 Fasteners Type | Lag Bolts, Square nuts, U bolts, Hex Head nuts, Eye nuts, Lock nuts, T nuts, Eye bolts, wing nuts, Counter sunk Bolts, Coupling Nuts, Square Bolts, Panel Nuts, Hex Bolt, Acorn Nuts, T bolt, Dome nuts, Hex Head Bolts |
| Description | Per Unit (INR) | Price in USD | Price in EURO |
|---|---|---|---|
| Hex Nut M45-3.0p Iso 4033-inconel 718(Nuts /bolts/screws/studs Made Of Alloy Steel Including Stainless Steel) | 22,017 | 298.17 | 250.43 |
| Stud Bolt Ft M45-3.0p X 265mm Din 976-inconel 718(Nuts /bolts/screws/studs Madeof Alloy Steel Including Stainless Steel | 39,630 | 536.70 | 450.77 |
| Inconel 718 Stud Bolt In Gr Uns No 7718 size M10 X 1.25 Pitch X 4 Cm Long | 418 | 5.66 | 4.75 |
| Inconel 718 Stud Bolt In Gr Uns No 7718 Size M12 X 1.25 Pitch X 4 Cm Long | 537 | 7.27 | 6.11 |
| Inconel 718 Hex Head Bolt In Gr Uns No 7718 Size M 10 X 1.25 Pitch X 7.6 Cm Long | 717 | 9.71 | 8.16 |
| Inconel 718 Hex Head Bolt In Gr Uns No 7718 Size M 10 X 1.25 Pitch X 2.5 Cm Long | 537 | 7.27 | 6.11 |
| Stud Bolts: Stud Size: 2 3/4 X 555 Mm Nut Size : 2 3/4 X 110 Mm- Material: Inconel A718 1set: 1 Stud +2 Nuts | 100,960 | 1367.29 | 1148.36 |
| Inconel 718 stud With 2 Heavy Hex Nut Size - 7/8x1 | 2,540 | 34.40 | 28.89 |
Alloy 718 Fasteners
Size: 3/6" to 2" | M3 to M56 or Custom Sizes
| Physical Properties | Metric | English |
|---|---|---|
| Density | 8.19 g/cc | 0.296 lb/in³ |
| Electrical Properties | |||
|---|---|---|---|
| Electrical Resistivity | 0.000125 ohm-cm | 0.000125 ohm-cm | |
| Magnetic Permeability | 1.0011 | 1.0011 | at 200 oersted (15.9 kA/m) |
| Curie Temperature | -112 °C | -170 °F | |
| Thermal Properties | |||
|---|---|---|---|
| CTE, linear 20°C | 13 µm/m-°C | 7.22 µin/in-°F | 20-100°C |
| Heat Capacity | 0.435 J/g-°C | 0.104 BTU/lb-°F | |
| Thermal Conductivity | 11.4 W/m-K | 79.1 BTU-in/hr-ft²-°F | |
| Melting Point | 1260 – 1336 °C | 2300 – 2440 °F | |
| Solidus | 1260 °C | 2300 °F | |
| Liquidus | 1336 °C | 2440 °F | |
APPROX. WEIGHT IN KGS FOR 100 NOS |
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|---|---|---|---|---|---|---|---|---|---|---|---|
| SIZE | PLAIN PUNCHED WASHER IS:2016 |
HEAVY WASHER IS:6610 |
MACHINED WASHER IS:2016 |
SQUARE TAPER WASHERS | SPRING WASHER FLAT SECTION IS:3063-72 | SPRING WASHER SQUARE SECTION IS:6735-72 DIN : 7980 |
Size (Inches) | PLAIN PUNCHED WASHER BS:3410 TABLE 7 |
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| MACHINED | HIGH STRENGTH FRICTION GRIP |
||||||||||
| FOR CHANNELS IS:5372-75 |
FOR I-BEAM IS:5374-75 |
TYPE-B (CHANNELS) IS : 6649-85 |
TYPE-C ( I-BEAMS ) IS : 6649-85 |
||||||||
| M-3 | 0.01 | 0.01 | |||||||||
| M-4 | 0.02 | 0.02 | |||||||||
| M-5 | 0.04 | 0.04 | 0.03 | 0.03 | |||||||
| M-6 | 0.11 | 0.11 | 0.08 | 0.04 | 1/4″ | 0.21 | |||||
| M-8 | 0.20 | 0.21 | 1.10 | 1.20 | 0.16 | 0.11 | 5/16″ | 0.35 | |||
| M-10 | 0.39 | 1.60 | 0.40 | 1.00 | 1.10 | 0.25 | 0.20 | 3/8″ | 0.48 | ||
| M-12 | 0.58 | 1.90 | 0.62 | 2.00 | 2.20 | 2.00 | 1.80 | 0.38 | 0.23 | 1/2″ | 1.07 |
| M-14 | 0.82 | 0.60 | 0.38 | ||||||||
| M-16 | 1.06 | 2.90 | 1.13 | 3.40 | 3.75 | 9.00 | 8.50 | 0.89 | 0.59 | 5/8″ | 1.85 |
| M-18 | 1.27 | 0.97 | 0.66 | ||||||||
| M-20 | 1.64 | 4.40 | 1.72 | 5.80 | 6.70 | 8.50 | 8.00 | 1.52 | 1.23 | 3/4″ | 2.91 |
| M-22 | 1.75 | 7.50 | 7.00 | 1.65 | 1.36 | 7/8″ | 4.27 | ||||
| M-24 | 3.11 | 6.30 | 3.30 | 13.50 | 16.00 | 6.50 | 6.00 | 2.62 | 1.81 | 1″ | 6.13 |
| M-27 | 3.94 | 8.00 | 4.23 | 12.50 | 15.00 | 12.00 | 11.50 | 2.87 | 2.06 | 1.1/8″ | 7.69 |
| M-30 | 5.05 | 10.10 | 5.36 | 16.50 | 18.70 | 17.50 | 16.00 | 4.43 | 3.20 | 1.1/4″ | 9.90 |
| M-33 | 7.10 | 12.00 | 7.54 | 21.00 | 23.50 | 23.00 | 22.50 | 6.30 | 3.50 | ||
| M-36 | 8.73 | 14.60 | 9.20 | 25.50 | 29.20 | 26.50 | 26.00 | 6.73 | 5.25 | 1.1/2″ | 17.24 |
| M-39 | 12.60 | 16.70 | 13.30 | 28.30 | 34.50 | 7.17 | 5.61 | ||||
| M-42 | 17.50 | 20.10 | 18.30 | 11.10 | 8.00 | ||||||
| M-45 | 21.20 | 22.20 | 22.00 | 11.70 | 8.53 | ||||||
| M-48 | 28.40 | 26.00 | 29.40 | 12.30 | 9.00 | 2″ | 27.78 | ||||
| M-52 | 31.90 | 33.00 | 18.20 | ||||||||
| M-56 | 47.90 | 19.30 | |||||||||
| M-60 | 51.60 | 20.30 | |||||||||
| M-64 | 55.40 | 21.80 | |||||||||
| M-68 | 57.40 | ||||||||||
| M-72 | 63.40 | 24.00 | |||||||||
| Class 150 Flanges ASME B16.5 (Stud bolt sizes) | Length of Stud Bolts | |||||||
|---|---|---|---|---|---|---|---|---|
| NPS | Outside Diameter of Flange | The diameter of Bolt Circle | The diameter of Bolt Holes | Number of Bolts | Diameter of Bolts | Raised Face 0.06 in |
Ring Joint | |
| 1/2 | 3 1/2 | 2 3/8 | 5/8 | 4 | 1/2 | 2 1/4 | – | |
| 3/4 | 3 7/8 | 2 3/4 | 5/8 | 4 | 1/2 | 2 1/2 | – | |
| 1 | 4 1/4 | 3 1/8 | 5/8 | 4 | 1/2 | 2 1/2 | 3 | |
| 1 1/4 | 4 5/8 | 3 1/2 | 5/8 | 4 | 1/2 | 2 3/4 | 3 1/4 | |
| 1 1/2 | 5 | 3 7/8 | 5/8 | 4 | 1/2 | 2 3/4 | 3 1/4 | |
| 2 | 6 | 4 3/4 | 3/4 | 4 | 5/8 | 3 1/4 | 3 3/4 | |
| 2 1/2 | 7 | 5 1/2 | 3/4 | 4 | 5/8 | 3 1/2 | 4 | |
| 3 | 7 1/2 | 6 | 3/4 | 4 | 5/8 | 3 1/2 | 4 | |
| 3 1/2 | 8 1/2 | 7 | 3/4 | 8 | 5/8 | 3 1/2 | 4 | |
| 4 | 9 | 7 1/2 | 3/4 | 8 | 5/8 | 3 1/2 | 4 | |
| 5 | 10 | 8 1/2 | 7/8 | 8 | 3/4 | 3 3/4 | 4 1/4 | |
| 6 | 11 | 9 1/2 | 7/8 | 8 | 3/4 | 4 | 4 1/2 | |
| 8 | 13 1/2 | 11 3/4 | 7/8 | 8 | 3/4 | 4 1/4 | 4 3/4 | |
| 10 | 16 | 14 3/4 | 1 | 12 | 7/8 | 4 1/2 | 5 | |
| 12 | 19 | 17 | 1 | 12 | 7/8 | 4 3/4 | 5 1/4 | |
| 14 | 21 | 18 3/4 | 1 1/8 | 12 | 1 | 5 1/4 | 5 3/4 | |
| 16 | 23 1/2 | 21 1/4 | 1 1/8 | 16 | 1 | 5 1/4 | 5 3/4 | |
| 18 | 25 | 22 3/4 | 1 1/4 | 16 | 1 1/8 | 5 3/4 | 6 1/4 | |
| 20 | 27 1/2 | 25 | 1 1/4 | 20 | 1 1/8 | 6 1/4 | 6 3/4 | |
| 24 | 32 | 29 1/2 | 1 1/4 | 20 | 1 1/4 | 6 3/4 | 7 1/4 | |
| Class 300 Flanges ASME B16.5 | Length of Stud Bolts | |||||||
|---|---|---|---|---|---|---|---|---|
| NPS | Outside Diameter of Flange | The diameter of Bolt Circle | The diameter of Bolt Holes | Number of Bolts | Diameter of Bolts | Raised Face 0.06 in |
Ring Joint | |
| 1/2 | 3 3/4 | 2 5/8 | 5/8 | 4 | 1/2 | 2 1/2 | 3 | |
| 3/4 | 4 5/8 | 3 1/4 | 3/4 | 4 | 5/8 | 3 | 3 1/2 | |
| 1 | 4 7/8 | 3 1/2 | 3/4 | 4 | 5/8 | 3 | 3 1/2 | |
| 1 1/4 | 5 1/4 | 3 7/8 | 3/4 | 4 | 5/8 | 3 1/4 | 3 3/4 | |
| 1 1/2 | 6 1/8 | 4 1/2 | 7/8 | 4 | 3/4 | 3 1/2 | 4 | |
| 2 | 6 1/2 | 5 | 3/4 | 8 | 5/8 | 3 1/2 | 4 | |
| 2 1/2 | 7 1/2 | 5 7/8 | 7/8 | 8 | 3/4 | 4 | 4 1/2 | |
| 3 | 8 1/4 | 6 5/8 | 7/8 | 8 | 3/4 | 4 1/4 | 4 3/4 | |
| 3 1/2 | 9 | 7 1/4 | 7/8 | 8 | 3/4 | 4 1/4 | 5 | |
| 4 | 10 | 7 7/8 | 7/8 | 8 | 3/4 | 4 1/2 | 5 | |
| 5 | 11 | 9 1/4 | 7/8 | 8 | 3/4 | 4 3/4 | 5 1/4 | |
| 6 | 12 1/2 | 10 5/8 | 7/8 | 12 | 3/4 | 4 3/4 | 5 1/2 | |
| 8 | 15 | 13 | 1 | 12 | 7/8 | 5 1/2 | 6 | |
| 10 | 17 1/2 | 15 1/4 | 1 1/8 | 16 | 1 | 6 1/4 | 6 3/4 | |
| 12 | 20 1/2 | 17 3/4 | 1 1/4 | 16 | 1 1/8 | 6 3/4 | 7 1/4 | |
| 14 | 23 | 20 1/4 | 1 1/4 | 20 | 1 1/8 | 7 | 7 1/2 | |
| 16 | 25 1/2 | 22 1/2 | 1 3/8 | 20 | 1 1/4 | 7 1/2 | 8 | |
| 18 | 28 | 24 3/4 | 1 3/8 | 24 | 1 1/4 | 7 3/4 | 8 1/4 | |
| 20 | 30 1/2 | 27 | 1 3/8 | 24 | 1 1/4 | 8 | 8 3/4 | |
| 24 | 36 | 32 | 1 5/8 | 24 | 1 1/2 | 9 | 10 | |
| Size | Finished Hex | Heavy Hex | Finished Jam | Heavy Hex Jam | Square | Heavy Square |
|---|---|---|---|---|---|---|
| 1/2″ Nut | 3.75 | 6.54 | 2.62 | 4.00 | 5.78 | 7.87 |
| 5/8″ Nut | 7.33 | 11.9 | 4.93 | 6.96 | 10.8 | 14.3 |
| 3/4″ Nut | 11.9 | 19.3 | 7.70 | 11.0 | 15.4 | 23.5 |
| 7/8″ Nut | 19.0 | 29.7 | 12.0 | 16.7 | 24.5 | 36.2 |
| 1″ Nut | 28.3 | 42.5 | 17.6 | 23.5 | 36.3 | 51.5 |
| 11/8″ Nut | 40.3 | 59.2 | 24.7 | 32.4 | 52.5 | 72.4 |
| 11/4″ Nut | 54.3 | 78.6 | 36.1 | 45.8 | 70.6 | 95.5 |
| 13/8″ Nut | 73.0 | 102 | 47.9 | 59.3 | 94.5 | 125.0 |
| 11/2″ Nut | 94.3 | 131 | 60.9 | 74.8 | 122 | 161 |
| 15/8″ Nut | 162 | 91.6 | ||||
| 13/4″ Nut | 151 | 204 | 100 | 114 | ||
| 17/8″ Nut | 241 | 134 | ||||
| 2″ Nut | 224 | 299 | 140 | 165 | ||
| 21/4″ Nut | 419 | 227 | ||||
| 21/2″ Nut | 564 | 332 | ||||
| 23/4″ Nut | 738 | 429 | ||||
| 3″ Nut | 950 | 545 | ||||
| 31/4″ Nut | 1194 | 651 | ||||
| 31/2″ Nut | 1526 | 851 | ||||
| 33/4″ Nut | 1812 | 1005 | ||||
| 4″ Nut | 2180 | 1200 |
| MM THREADS AS PER IS 1363/67 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| APPROXIMATE WEIGHT IN KGS FOR 100 NOS | ||||||||||
| LENGTH | DIAMETER | |||||||||
| M 5 | M 6 | M 8 | M 10 | M 12 | M 14 | M 16 | M 18 | M 20 | M 22 | |
| 16 mm | 0.448 | 0.743 | 1.590 | 3.211 | ||||||
| 20 mm | 0.598 | 0.812 | 1.711 | 3.411 | 4.892 | |||||
| 25 mm | 0.660 | 0.897 | 1.871 | 3.660 | 5.252 | 8.170 | ||||
| 30 mm | 0.737 | 1.010 | 2.070 | 3.912 | 5.574 | 9.690 | 10.707 | 18.657 | ||
| 35 mm | 0.804 | 1.120 | 2.271 | 4.223 | 5.974 | 10.000 | 11.416 | 16.026 | 19.608 | |
| 40 mm | 0.881 | 1.230 | 2.470 | 4.533 | 6.410 | 10.288 | 12.107 | 16.667 | 20.747 | |
| 45 mm | 0.958 | 1.340 | 2.671 | 4.840 | 6.859 | 10.504 | 12.821 | 17.241 | 21.739 | |
| 50 mm | 1.030 | 1.450 | 2.870 | 5.155 | 7.299 | 11.261 | 13.624 | 17.857 | 22.727 | 28.409 |
| 55 mm | 1.560 | 3.071 | 5.464 | 7.740 | 11.628 | 14.409 | 18.868 | 23.810 | 30.120 | |
| 60 mm | 1.670 | 3.270 | 5.774 | 8.183 | 12.255 | 15.244 | 20.000 | 25.126 | 32.051 | |
| 65 mm | 1.781 | 3.472 | 6.083 | 8.621 | 12.626 | 16.026 | 21.008 | 26.455 | 34.014 | |
| 70 mm | 1.890 | 3.671 | 6.394 | 9.058 | 12.987 | 16.835 | 22.124 | 27.778 | 35.461 | |
| 75 mm | 2.000 | 3.873 | 6.702 | 9.506 | 13.228 | 17.606 | 23.256 | 29.070 | 39.063 | |
| 80 mm | 2.111 | 4.072 | 7.013 | 10.000 | 13.889 | 18.248 | 24.510 | 30.303 | 40.000 | |
| 90 mm | 4.472 | 7.634 | 10.917 | 14.925 | 19.841 | 26.042 | 33.113 | 41.667 | ||
| 100 mm | 4.873 | 8.251 | 11.820 | 16.340 | 21.459 | 27.778 | 35.714 | 46.296 | ||
| 110 mm | 8.881 | 12.723 | 17.730 | 23.041 | 31.250 | 38.168 | 47.170 | |||
| 120 mm | 9.506 | 13.624 | 18.797 | 24.631 | 32.895 | 40.984 | 50.000 | |||
| 130 mm | 10.101 | 14.535 | 20.000 | 26.316 | 34.722 | 43.478 | 52.632 | |||
| 140 mm | 10.707 | 15.432 | 20.833 | 27.933 | 35.461 | 46.296 | 55.556 | |||
| 150 mm | 11.312 | 16.340 | 22.222 | 29.412 | 37.594 | 48.544 | 58.824 | |||
| 160 mm | 11.905 | 17.241 | 24.272 | 31.056 | 40.984 | 50.505 | 61.728 | |||
| 170 mm | 12.500 | 18.116 | 32.680 | 53.191 | 64.935 | |||||
| 180 mm | 13.123 | 19.011 | 26.882 | 34.247 | 55.556 | 67.568 | ||||
| 190 mm | 13.736 | 19.920 | 35.971 | 58.140 | 70.423 | |||||
| 200 mm | 14.327 | 20.833 | 29.586 | 37.594 | 49.020 | 60.976 | 73.529 | |||
| 220 mm | 15.528 | 22.624 | 40.650 | 65.789 | 79.365 | |||||
| 240 mm | 16.722 | 24.510 | 43.860 | 71.429 | 84.746 | |||||
| 250 mm | 17.301 | 25.381 | 45.455 | 74.627 | 87.719 | |||||
| 260 mm | 17.921 | 26.316 | 47.170 | 76.923 | 90.909 | |||||
| 280 mm | 19.157 | 28.090 | 50.505 | 81.967 | 98.039 | |||||
| 300 mm | 20.325 | 29.940 | 53.763 | 87.719 | 104.167 | |||||
| 320 mm | 31.646 | 56.818 | 92.593 | |||||||
| 340 mm | 33.557 | 60.241 | 98.039 | |||||||
| 360 mm | 35.211 | 63.291 | 104.167 | |||||||
| 380 mm | 37.037 | 66.667 | 108.696 | |||||||
| 400 mm | 39.063 | 69.444 | 113.636 | |||||||
Inconel 718 bolts can be welded in either the annealed or matured condition and are renowned for having exceptional weldability. This is especially useful in situations that use weld studs. Inconel 718 bolts can be welded without solidifying or breaking due to its age solidifying property.
Inconel 718 Bolt Coatings |
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|---|---|---|---|---|---|
|
Oxidized
|
Zinc Plating
|
Epoxy Coating
|
Electro Polished
|
Chrome Plating
|
|
|
Teflon Coating
|
Mirror Buffed
|
Hot Dipped Galvanizing
|
Passivation
|
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| UNS N07718 Bolting | 2.4668 Inconel 718 Bolts |
| Alloy 718 Bolts | Inconel 718 Foundation Bolts |
| Inconel 718 Threaded Rod | ASTM A1014 UNS N07718 Dowel Pin |
| ASME SB 637 UNS N07718 Nuts | Inconel 718 Washers |
| Inconel 718 Hex Bolts | Inconel 718 Hex Head Bolts |
| 2.4668 Inconel 718 Fender Washer | UNS N07718 Lock Nut |
| ASTM A1014 UNS N07718 Stud Bolt | ASME SB 637 UNS N07718 Bolts |
| Inconel 718 Square Bolts | ASTM B637 Gr 718 Tie Bar |
| Inconel 718 Belleville Washers | ASTM B637 UNS N07718 Bolts |
| 2.4668 Inconel 718 Pan Head Screw | ASTM B166 Inconel 718 Cap Screw |
| 2.4668 Inconel 718 Flat Washer | 718 Inconel Countersunk Slotted Screw |
| Inconel 718 Locking Nuts | Inconel 718 Coupler Nuts |
| Inconel Alloy 718 Punched Washer | DIN 2.4668 Inconel Bolts |
| 2.4668 Inconel 718 Double Ended Stud | 2.4668 Inconel 718 Studbolt |
| Inconel 718 Pan Head Screw | ASTM B 637 UNS N07718 Square Nut |
| Inconel 718 Blind fasteners (rivets, rivet nuts, cage nuts) | Alloy 718 Industrial fasteners and fixings |
| ASTM B637 Gr 718 Self-tapping / Thread forming screws | Inconel 718 Self Clinching Fasteners |
| ASTM B 637 UNS N07718 Pins and keys | Inconel 718 Self drilling screws |
| Inconel 718 Insert Nuts | 2.4668 Inconel 718 Welding Studs |
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
|---|---|---|---|---|---|---|---|---|
| 718 | 0.08 max | 0.35 max | 0.35 max | 0.015max | 0.30 max | – | 50.00 – 55.00 | 17.00 – 21.00 |
| Grade | Elongation | Density | Tensile Strength | Melting Point | Strength of Yield (0.2%Offset) |
|---|---|---|---|---|---|
| 718 | 45 % | 8.2 g/cm3 | Psi – 1,35,000 , MPa – 930 | 1350 °C (2460 °F) | Psi – 75,000 , MPa – 482 |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
|---|---|---|---|---|---|---|---|
| 718 | 2.4668 | N07718 | NCF 718 | – | – | – | – |
A single billet is heated to the desired temperature, which is lower than the alloy's melting point, and is then forged. Depending on the size and shape of the bolt that needs to be manufactured, the temperature is just below 1260 degrees Celsius. Then, it is forged by putting one metallic component up against another metallic component, both of which have grooves for the bolt's size and shape. If the bolt is a threaded bolt, it is then threaded by machining. Additionally utilised in structural applications are plain bolts. The aerospace components and oilfield accessories are two examples of high temperature, high corrosion prone uses for the bolts.
