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Inconel 600 Fasteners are nickel-chromium alloy fastening components engineered for extreme thermal stability, oxidation resistance, and structural integrity in aggressive industrial environments. Manufactured from UNS N06600 material, these fasteners perform reliably in temperatures ranging from cryogenic levels up to approximately 1093°C, making them suitable for heat exchangers, furnace assemblies, chemical processing units, and aerospace engine systems.
The alloy composition—primarily nickel with controlled chromium and iron content—provides excellent resistance to chloride stress corrosion cracking and carburization, which makes it a preferred choice in marine engineering, nuclear power systems, and high-temperature chemical reactors.
These fasteners typically comply with ASTM B166 and related international specifications, ensuring dimensional accuracy and mechanical reliability in critical assemblies. KK Fasteners supplies Inconel-based fastening solutions to global industries requiring consistent performance under thermal cycling and corrosive exposure, with full material traceability across production batches.
| Parameter | Specification |
|---|---|
| Material | Inconel 600 (UNS N06600), Nickel-Chromium-Iron Alloy |
| Grade | Annealed / Cold Worked Variants |
| Size Range | M3 to M64 / 1/8" to 2.5" diameter |
| Thread Type | Metric (ISO), UNC, UNF, BSW |
| Standards | ASTM B166, ASTM B564, DIN, ISO, BS |
| Surface Finish | Bright, Polished, Passivated, Black Oxide (custom) |
| Fastener Types | Bolt, Nut, Washer, Stud, Screw |
| Tensile Strength | 550–690 MPa (Annealed Condition) |
| Hardness | Up to 90 HRB (Typical Annealed Condition) |
|
Element
|
Content (%)
|
|
Nickel, Ni
|
72.0 min
|
|
Silicon, Si
|
.50 max
|
|
Carbon, C
|
.15 max
|
|
Sulphur, S
|
.015 max
|
|
Copper, Cu
|
.50 max
|
|
Iron, Fe
|
6.0-10.0
|
|
Manganese, Mn
|
1.00 max
|
|
Density
|
8.47 g/cm3
|
|
Melting Point
|
1413 °C (2580 °F)
|
|
Tensile Strength
|
Psi – 95,000 , MPa – 655
|
|
Yield Strength (0.2%Offset)
|
Psi – 45,000 , MPa – 310
|
|
Elongation
|
40 %
|
|
Alloy
|
Common Name
|
Related Specification
|
|||
|---|---|---|---|---|---|
|
British
|
European
|
ASTM
|
UNS
|
||
|
Alloy 600
|
Inconel 600®
|
BS 3076 NA 14
|
2.4816
|
B166
|
N06600
|
| Bolts Diameter | D | F | C | H | |||||
| Body Diameter | Width Across Flats | Width Across Corners | Height | ||||||
| Max | Basic | Max | Min | Max | Min | Basic | Max | Min | |
| 1/2 | 0.515 | 7/8 | 0.875 | 0.850 | 1.010 | 0.969 | 11/32 | 0.364 | 0.302 |
| 5/8 | 0.642 | 1-1/16 | 1.062 | 1.031 | 1.227 | 1.175 | 27/64 | 0.444 | 0.378 |
| 3/4 | 0.768 | 1-1/4 | 1.250 | 1.212 | 1.443 | 1.383 | 1/2 | 0.524 | 0.455 |
| 7/8 | 0.895 | 1-7/16 | 1.438 | 1.394 | 1.660 | 1.589 | 37/64 | 0.604 | 0.531 |
| 1 | 1.022 | 1-5/8 | 1.625 | 1.575 | 1.876 | 1.796 | 43/64 | 0.700 | 0.591 |
| 1-1/8 | 1.149 | 1-13/16 | 1.812 | 1.756 | 2.093 | 2.002 | 3/4 | 0.780 | 0.658 |
| 1-1/4 | 1.277 | 2 | 2.00 | 1.938 | 2.309 | 2.209 | 27/32 | 0.876 | 0.749 |
| 1-3/8 | 1.404 | 2-3/16 | 2.188 | 2.119 | 2.526 | 2.416 | 29/32 | 0.940 | 0.810 |
| 1-1/2 | 1.531 | 2-3/8 | 2.375 | 2.300 | 2.742 | 2.622 | 1 | 1.036 | 0.902 |
| 1-3/4 | 1.785 | 2-3/4 | 2.750 | 2.662 | 3.175 | 3.035 | 1-5/32 | 1.196 | 1.054 |
| 2 | 2.039 | 3-1/8 | 3.125 | 3.025 | 3.608 | 3.449 | 1-11/32 | 1.388 | 1.175 |
| 2-1/4 | 2.305 | 3-1/2 | 3.500 | 3.388 | 4.041 | 3.862 | 1-1/2 | 1.548 | 1.327 |
| 2-1/2 | 2.559 | 3-7/8 | 3.875 | 3.750 | 4.474 | 4.275 | 1-21/32 | 1.708 | 1.479 |
Inconel 600 Fasteners are used in industries where standard stainless steel fasteners fail due to heat, oxidation, or chemical attack. They are selected for mission-critical assemblies requiring long-term reliability under extreme conditions.
Inconel 600 Fasteners are manufactured using controlled hot forging and precision CNC machining processes to ensure grain structure integrity and dimensional accuracy. Each batch undergoes strict quality inspection including hardness testing, tensile validation, and surface defect analysis.
Advanced metrology tools ensure compliance with ASTM and ISO dimensional tolerances. Traceability is maintained from raw material heat number to finished product dispatch, ensuring full accountability.
KK Fasteners implements ISO 9001:2015-certified quality systems, along with RoHS and REACH compliance checks where applicable. Every fastener is verified for mechanical performance before export shipment to ensure reliability in critical engineering environments.
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Inconel 600 Fasteners are nickel-chromium alloy fastening components designed for high-temperature and corrosive environments. They are made from UNS N06600 material and retain strength and stability in applications such as heat exchangers, furnaces, chemical plants, and aerospace systems where conventional steel fasteners fail.
These fasteners are manufactured from a nickel-based alloy containing roughly 72% nickel, 14–17% chromium, and controlled iron content. This composition provides excellent resistance to oxidation, carburization, and chloride-induced stress corrosion cracking in extreme service conditions.
Inconel 600 Fasteners are commonly produced in compliance with ASTM B166 for bar stock and ASTM B564 for forged components. Dimensional and thread standards include DIN, ISO, BS, UNC, and UNF depending on application and customer requirements.
They are widely used in aerospace engines, chemical processing plants, nuclear power systems, marine engineering, heat treatment furnaces, and oil & gas refineries. These environments demand high resistance to heat, corrosion, and mechanical stress.
A reliable manufacturer should offer certified material traceability, ISO-compliant production, ASTM-standard conformity, and proven export capability. Buyers should also evaluate inspection reports, quality testing methods, and long-term supply consistency before selection.
Inconel 600 Fasteners deliver unmatched performance in high-temperature and chemically aggressive environments where conventional alloys fail. Their stability, corrosion resistance, and mechanical reliability make them essential for critical engineering systems.
For technical datasheets, custom specifications, or bulk procurement support, KK Fasteners provides engineered fastening solutions backed by global export experience and strict quality control systems. Contact the engineering team to request a quote or technical consultation.
