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GST No. 27AAECK9442R1ZP
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Minimum Order Quantity: 100 Piece
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| Nominal Nut Diameter | M22 (22 mm) |
| Diameter | 100 mm |
| Material | Inconel |
| Standard | ASTM B425, ASME SB425, F2281 |
| Length | 3 mm to 200 mm |
| Material Grade | INCONEL |
| Is It Customised | Customisation |
| Size | M3 - M56 | 3/6" to 2" | Custom Sizes |
| Type | Hex Nut, Heavy Hex Nut, Lock Nut, Nylock Nut, Weld Nut, Dome Nut, Flange Nut, Square Nut, Eye Nut et |
Fasteners are the backbone of every engineering structure. From marine vessels to chemical plants, aerospace structures, and power plants, fasteners ensure the reliability and safety of entire systems. Among fasteners, nuts play a crucial role by working with bolts, studs, or screws to secure mechanical connections.
When industries demand exceptional resistance to heat, corrosion, and mechanical stress, traditional fasteners like carbon steel or stainless steel fail to deliver. This is where Incoloy Nuts become indispensable.
Incoloy is a family of nickel-iron-chromium-based superalloys, engineered to withstand oxidizing environments, reducing acids, stress corrosion cracking, and high-temperature scaling. When produced in the form of nuts, Incoloy offers reliable fastening solutions for chemical processing, marine, aerospace, oil & gas, power generation, and pollution control systems.
Chemical Composition of Common Incoloy AlloysIncoloy 800 Series (UNS N08800/N08810/N08811)
| Element | Content (%) |
|---|---|
| Nickel (Ni) | 30 – 35 |
| Chromium (Cr) | 19 – 23 |
| Iron (Fe) | Balance |
| Carbon (C) | ≤ 0.10 |
| Aluminum (Al) | 0.15 – 0.60 |
| Titanium (Ti) | 0.15 – 0.60 |
| Element | Content (%) |
|---|---|
| Nickel (Ni) | 38 – 46 |
| Chromium (Cr) | 19.5 – 23.5 |
| Iron (Fe) | Balance |
| Molybdenum (Mo) | 2.5 – 3.5 |
| Copper (Cu) | 1.5 – 3.0 |
| Titanium (Ti) | 0.6 – 1.2 |
| Element | Content (%) |
|---|---|
| Nickel (Ni) | 42 – 46 |
| Chromium (Cr) | 19.5 – 22.5 |
| Iron (Fe) | Balance |
| Molybdenum (Mo) | 2.5 – 3.5 |
| Copper (Cu) | 1.5 – 3.0 |
| Titanium (Ti) | 1.9 – 2.4 |
| Aluminum (Al) | 0.1 – 0.5 |
| Property | Value |
|---|---|
| Density | ~8.0 – 8.14 g/cm³ |
| Melting Point | 1350 – 1400 °C |
| Electrical Resistivity | 1.2 μΩ·m |
| Thermal Conductivity | ~11 W/m·K |
| Specific Heat | 450 J/kg·K |
| Magnetic Property | Essentially non-magnetic |
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) |
|---|---|---|---|---|
| Incoloy 800H | 520 | 205 | 30 | 150 |
| Incoloy 825 | 690 | 283 | 30 | 160 |
| Incoloy 925 | 760 – 860 | 415 – 520 | 20 | 180 – 220 |
Chemical Analysis (Spectroscopy) – Confirms alloy composition.
Mechanical Testing – Tensile, hardness, elongation.
Non-Destructive Testing (NDT): Ultrasonic, magnetic particle inspection.
Corrosion Testing: Salt spray, immersion tests.
Dimensional Inspection: Ensures threads, size, and tolerance accuracy.
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