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Inconel 600 nuts are high-performance nickel-chromium alloy fastening components designed for extreme thermal and corrosive environments where conventional stainless steel fasteners fail. Manufactured from UNS N06600 material, these nuts offer exceptional resistance to oxidation, carburization, and chloride-induced stress corrosion cracking. They are widely used in chemical processing plants, thermal power generation systems, aerospace assemblies, and marine engineering applications where long-term mechanical stability is critical.
The material conforms to ASTM B166 / ASME SB166 standards and is engineered to maintain structural integrity at temperatures ranging from cryogenic levels up to 1093°C. Inconel 600 nuts are typically paired with matching alloy bolts and studs to ensure uniform thermal expansion and joint reliability.
KK Fasteners supplies precision-engineered Inconel 600 Nuts to industries across global markets, ensuring full material traceability, dimensional accuracy, and compliance with international fastener standards for critical engineering applications.
| Parameter | Specification |
|---|---|
| Material | Inconel 600 (UNS N06600), Nickel-Chromium Alloy |
| Standard | ASTM B166 / ASME SB166 / DIN 934 / ISO 4032 |
| Size Range | M3 to M100 / 1/8” to 4” |
| Thread Type | Metric, UNC, UNF, BSW |
| Type | Hex Nuts, Heavy Hex Nuts, Lock Nuts |
| Temperature Range | -200°C to 1093°C |
| Tensile Strength | 550–725 MPa (Typical) |
| Yield Strength | ≥ 240 MPa |
| Hardness | ≤ 85 HRB (Annealed Condition) |
| Surface Finish | Bright, Pickled, Solution Annealed |
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
|---|---|---|---|---|---|---|---|---|
| Inconel 600 | 0.15 max | 1.00 max | 0.50 max | 0.015max | 0.50 max | 6.00 – 10.00 | 72.00 min | 14.00 – 17.00 |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|---|
| Inconel 600 | 8.47 g/cm3 | 1413 °C (2580 °F) | Psi – 95,000 , MPa – 655 | Psi – 45,000 , MPa – 310 | 40 % |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
|---|---|---|---|---|---|---|---|
| Inconel 600 | 2.4816 | N06600 | NCF 600 | NA 13 | МНЖМц 28-2,5-1,5 | NC15FE11M | NiCr15Fe |
| 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 |
Inconel 600 Nuts are used in high-temperature, corrosive, and high-stress industrial environments where standard fasteners cannot maintain performance over time.
Inconel 600 Nuts are manufactured using controlled hot forging followed by precision CNC threading to ensure dimensional consistency and structural integrity. The process begins with certified UNS N06600 billets, which are forged under high temperature to achieve optimal grain structure.
Each batch undergoes strict quality inspections including dimensional verification, tensile testing, and hardness checks. Surface condition is evaluated to ensure compliance with ASTM B166 requirements, while heat treatment ensures full solution annealing for enhanced corrosion resistance.
KK Fasteners implements full lot traceability and documentation control, ensuring every shipment can be traced back to raw material certification and production records. ISO 9001:2015-aligned quality systems support global industrial supply requirements.
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Inconel 600 nuts are nickel-chromium alloy fasteners designed for extreme heat and corrosive environments. They offer strong resistance to oxidation and chloride-induced corrosion, making them suitable for chemical plants, aerospace systems, and high-temperature industrial assemblies where standard stainless steel fasteners are not reliable.
Inconel 600 is used because its high nickel content provides excellent resistance to stress corrosion cracking, while chromium enhances oxidation resistance at elevated temperatures. This combination ensures stable mechanical performance in continuous high-heat and chemically aggressive environments.
Inconel 600 nuts are typically manufactured in compliance with ASTM B166 and ASME SB166 standards for material properties. Dimensional specifications often follow DIN 934 or ISO 4032, depending on whether the application requires metric or international fastening compatibility.
They are widely used in chemical processing equipment, heat exchangers, aerospace engines, nuclear power systems, marine environments, and furnace assemblies. These industries rely on them for long-term fastening performance under extreme temperature and corrosive conditions.
A reliable supplier should provide certified material traceability, ASTM-compliant manufacturing, in-house testing, and consistent global supply capability. Companies like KK Fasteners support industrial buyers with documented quality systems and export-ready packaging for international projects.
Inconel 600 Nuts are essential components for industries operating under extreme thermal and corrosive conditions where reliability cannot be compromised. Their superior alloy composition ensures long-term performance in critical engineering systems.
KK Fasteners supports global industrial buyers with precision-manufactured Inconel fasteners backed by full traceability and engineering-grade quality control. For technical specifications, pricing, or custom requirements, contact our engineering team for a detailed quotation and application support.
