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by Tubotech Alloys INC
It is for industries that work under hostile conditions that we at Turbotech, a leading pipe and tube manufacturer in India offer premium-grade Inconel fasteners. We have specifically engineered them to be able to withstand high temperatures and pressures.
More importantly, we have manufactured Inconel fasteners using a high-quality nickel-chromium-based superalloy. Since, they possess properties that provide exceptional resistance to high temperatures, oxidation, and corrosive environments. Our intention is to also present to you a wide range of Inconel fasteners each designed for specific requirements. These include: Inconel 600, 625, 718, and X750.
Above all, we at Turbotech, a top pipe and tube manufacturer in India, present to you high-quality Inconel fasteners manufactured with precision and comply with international standards such as ASTM, ASME, and ISO, that is sure to exceed all your expectations.






There are several specification details about Inconel fasteners that you need to understand before you buy Inconel fasteners that your business requires. They are given in table below:
| Specification | Inconel 600 | Inconel 625 | Inconel 718 | Inconel X-750 |
|---|---|---|---|---|
| UNS Number | N06600 | N06625 | N07718 | N07750 |
| Material Composition | Ni-Cr-Fe | Ni-Cr-Mo-Nb | Ni-Cr-Fe-Nb-Mo-Ti-Al | Ni-Cr-Fe-Ti-Al |
| Standards (ASTM) | B166, B564, F2281 | B446, B564, F468 | B637, F2281 | B637, B994 |
| Tensile Strength | ≥ 550 MPa | ≥ 827 MPa | ≥ 1240 MPa | ≥ 965 MPa |
| Yield Strength (0.2%) | ≥ 240 MPa | ≥ 414 MPa | ≥ 1034 MPa | ≥ 758 MPa |
| Elongation (%) | ≥ 30% | ≥ 30% | ≥ 12% | ≥ 18% |
| Hardness (HRC) | ≤ 90 HRB | ≤ 30 HRC | 36–44 HRC (Age Hardened) | 33–44 HRC (Age Hardened) |
| Density (g/cm³) | 8.47 | 8.44 | 8.19 | 8.28 |
| Melting Point (°C) | 1354 – 1413 | 1290 – 1350 | 1260 – 1336 | 1390 – 1430 |
| Temp. Range (°C) | -200 to 1093 | -253 to 982 | -253 to 704 | -250 to 704 |
| Corrosion Resistance | High in oxidizing/reducing | Excellent in seawater, acid | Very good under pressure & fatigue | Excellent in thermal & oxidizing stress |
| Applications | Chemical processing, heaters | Marine, aerospace, seawater | Jet engines, nuclear, oil & gas | Springs, turbines, nuclear reactors |
Inconel fasteners types comprise a wide range of chemical components. They are given in the table below:
| Element | Inconel 600 (%) | Inconel 625 (%) | Inconel 718 (%) | Inconel X-750 (%) |
|---|---|---|---|---|
| Nickel (Ni) | 72.0 min | 58.0 min | 50.0 – 55.0 | ≥ 70.0 |
| Chromium (Cr) | 14.0 – 17.0 | 20.0 – 23.0 | 17.0 – 21.0 | 14.0 – 17.0 |
| Iron (Fe) | 6.0 – 10.0 | ≤ 5.0 | Balance | 5.0 – 9.0 |
| Molybdenum (Mo) | — | 8.0 – 10.0 | 2.8 – 3.3 | 0.5 max |
| Niobium (Nb + Ta) | — | 3.15 – 4.15 | 4.75 – 5.50 | 0.7 max |
| Titanium (Ti) | ≤ 0.35 | ≤ 0.40 | 0.65 – 1.15 | 2.25 – 2.75 |
| Aluminum (Al) | ≤ 0.35 | ≤ 0.40 | 0.20 – 0.80 | 0.40 – 1.00 |
| Carbon (C) | ≤ 0.15 | ≤ 0.10 | ≤ 0.08 | ≤ 0.08 |
| Manganese (Mn) | ≤ 1.0 | ≤ 0.50 | ≤ 0.35 | ≤ 1.0 |
| Silicon (Si) | ≤ 0.50 | ≤ 0.50 | ≤ 0.35 | ≤ 0.50 |
| Sulfur (S) | ≤ 0.015 | ≤ 0.015 | ≤ 0.015 | ≤ 0.01 |
| Cobalt (Co) | — | ≤ 1.0 | ≤ 1.0 | ≤ 1.0 |
It is due to some mechanical properties of Inconel fasteners that they prove to be an exceptional piping solution. They are given in the table below:
| Property | Inconel 600 | Inconel 625 | Inconel 718 (Age Hardened) | Inconel X-750 (Age Hardened) |
|---|---|---|---|---|
| Tensile Strength | ≥ 550 MPa (80 ksi) | ≥ 827 MPa (120 ksi) | ≥ 1240 MPa (180 ksi) | ≥ 965 MPa (140 ksi) |
| Yield Strength (0.2%) | ≥ 240 MPa (35 ksi) | ≥ 414 MPa (60 ksi) | ≥ 1035 MPa (150 ksi) | ≥ 758 MPa (110 ksi) |
| Elongation (%) | ≥ 30% | ≥ 30% | ≥ 12–20% | ≥ 18% |
| Hardness | ≤ 90 HRB | ~30 HRC | 36–44 HRC | 33–44 HRC |
| Density | 8.47 g/cm³ | 8.44 g/cm³ | 8.19 g/cm³ | 8.28 g/cm³ |
| Modulus of Elasticity | ~207 GPa (30 x 10³ ksi) | ~207 GPa | ~200 GPa | ~213 GPa |
| Melting Point (°C) | 1354–1413°C | 1290–1350°C | 1260–1336°C | 1390–1430°C |
| Operating Temp. Range | -200 to 1093°C | -253 to 982°C | -253 to 704°C | -250 to 7 |
These fittings are crucial in ensuring smooth, dependable, and ordinary fluid and gas waft at some stage in various high-stakes programs.
Typically, there are 5 types of Inconel fasteners available and several subtypes. They are as given below:
Every type of Inconel fasteners are available in various sizes that you need to understand. They are given in the table format given below:
| Thread Type | Metric Sizes (mm) | Imperial Sizes (inch) |
|---|---|---|
| Coarse / Fine | M3 to M100 | ¼” to 4″ |
| Lengths | 6 mm to 500 mm+ | ¼” to 20″+ |
| Metric Sizes (Across Flats) | Imperial Sizes |
|---|---|
| M3 to M100 | ¼” to 4″ |
| Types: Hex, Heavy Hex, Flange, Lock | Standard & custom types |
| Outer Diameter (OD) | Inner Diameter (ID) | Thickness |
|---|---|---|
| 6 mm to 200 mm+ | 3 mm to 100 mm+ | 0.5 mm to 10 mm+ |
| Diameter | Length |
|---|---|
| M6 to M72 | Up to 3000 mm (3 meters) |
| ¼” to 2-½” | Custom cuts available |
The major types of Inconel fasteners have different weight measurements. They are included in the table below:
| Bolt Size (mm) | Length (mm) | Weight per Piece (grams) |
|---|---|---|
| M6 | 20 | 12 |
| M8 | 25 | 22 |
| M10 | 30 | 38 |
| M12 | 40 | 65 |
| M16 | 50 | 130 |
| M20 | 60 | 220 |
| M24 | 80 | 360 |
| M30 | 100 | 720 |
| Nut Size (mm) | Weight per Piece (grams) |
|---|---|
| M6 | 4 |
| M8 | 8 |
| M10 | 15 |
| M12 | 22 |
| M16 | 45 |
| M20 | 80 |
| M24 | 130 |
| Diameter | Length | Weight per Meter (kg) |
|---|---|---|
| M8 | 1000 mm | 0.40 kg |
| M10 | 1000 mm | 0.63 kg |
| M12 | 1000 mm | 0.90 kg |
| M16 | 1000 mm | 1.60 kg |
| M20 | 1000 mm | 2.50 kg |
| M24 | 1000 mm | 3.60 kg |
It is due to its strength and high corrosion resistance that Inconel fasteners are used in a wide range of industrial applications. They are given below:
There are several reasons why it is better you choose Tubotech, a top pipe and tube manufacturer in India for Inconel fasteners. They are as follows:
Choose Tubotech for your subsequent project concerning Inconel fasteners and benefit from reliability and quality. Whether your requirement is small batch or bulk export, our technical institution is here to help you.
Tubotech delivers precision-engineered tubing, fittings, and fasteners with innovative solutions and customizable options. Trusted for quality and durability, we serve industries requiring reliable, high-performance piping and instrumentation products.
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