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High-performance Inconel718 material for extreme environments
Exceptional corrosion resistance in acidic, saline, and high-temperature conditions
Maintains mechanical integrity under heavy load and vibration
Precision-engineered threads for reliable fastening and secure assembly
Suitable for a wide range of industrial applications, including petrochemical, marine, and power industries
DIN934
HT&FST
2.4668DIN934M12
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In environments such as high-temperature furnaces, deep-sea platforms, or chemical plants, the failure of standard nuts often leads to downtime and safety hazards. Inconel 718 hex nuts are specifically designed to address these extreme operating conditions.
Crafted from a nickel-chromium superalloy, this fastener maintains stable clamping force at temperatures exceeding 700°C while resisting corrosion from salt spray, acids, and chemical media. Precision-rolled threads ensure smooth and effortless installation every time, and the solid feel conveys the material’s inherent reliability.
Withstands 700°C+: Maintains strength even when red-hot, without softening or oxidizing
Resists Chemical Corrosion: Provides a natural barrier against seawater and acidic media
Fatigue-resistant design: Remains reliable under repeated assembly/disassembly and vibration conditions
Installation-friendly: High thread precision reduces jamming and wear
Long service life: Reduces replacement frequency and lowers total cost of ownership
System compatibility: When paired with bolts of the same material, consistent thermal expansion ensures a more stable connection
It is not just an ordinary fastener—it is the final line of defense for engineering reliability.
The Inconel718 Hex Nut is trusted in industries where failure is not an option:
Petroleum Production: Maintains secure assemblies in drilling and extraction equipment under high pressure and corrosive conditions.
Saltwater Handling: Resistant to pitting and corrosion in marine environments, desalination systems, and offshore platforms.
Pulp Mill Bleach Systems: Withstands harsh chemical exposure, ensuring operational reliability and reducing maintenance downtime.
Tall Oil Distillation Columns: Provides secure fastening in high-temperature distillation processes.
Desalination Equipment: Prevents fastener degradation from prolonged contact with saline water.
Food and Chemical Processing Equipment: Safe for critical applications where hygiene and corrosion resistance are required.
Flue Gas Desulphurization Scrubbers: Performs under acidic and high-temperature exhaust environments.
Offshore Oil & Gas Production Equipment: Delivers long-term stability and strength in demanding offshore installations.
Q1: Can this hex nut withstand extreme temperatures?
A1: Yes, the Inconel718 Hex Nut retains mechanical integrity up to 700°C (1292°F) without losing strength or thread performance.
Q2: Is this nut suitable for marine environments?
A2: Absolutely. Its nickel-chromium alloy composition offers excellent corrosion resistance in saltwater and harsh chemical environments.
Q3: Are custom sizes or standards available?
A3: Yes, we provide custom threading, sizing, and finishing options according to customer specifications and international standards.
Q4: How does it compare with standard stainless steel nuts?
A4: Compared to stainless steel, Inconel718 offers superior high-temperature strength, corrosion resistance, and fatigue life, making it ideal for extreme industrial applications.
Q5: What industries commonly use this nut?
A5: Petroleum, marine, chemical processing, power generation, aerospace, and other high-demand sectors that require long-lasting and reliable fastening solutions.
In environments such as high-temperature furnaces, deep-sea platforms, or chemical plants, the failure of standard nuts often leads to downtime and safety hazards. Inconel 718 hex nuts are specifically designed to address these extreme operating conditions.
Crafted from a nickel-chromium superalloy, this fastener maintains stable clamping force at temperatures exceeding 700°C while resisting corrosion from salt spray, acids, and chemical media. Precision-rolled threads ensure smooth and effortless installation every time, and the solid feel conveys the material’s inherent reliability.
Withstands 700°C+: Maintains strength even when red-hot, without softening or oxidizing
Resists Chemical Corrosion: Provides a natural barrier against seawater and acidic media
Fatigue-resistant design: Remains reliable under repeated assembly/disassembly and vibration conditions
Installation-friendly: High thread precision reduces jamming and wear
Long service life: Reduces replacement frequency and lowers total cost of ownership
System compatibility: When paired with bolts of the same material, consistent thermal expansion ensures a more stable connection
It is not just an ordinary fastener—it is the final line of defense for engineering reliability.
The Inconel718 Hex Nut is trusted in industries where failure is not an option:
Petroleum Production: Maintains secure assemblies in drilling and extraction equipment under high pressure and corrosive conditions.
Saltwater Handling: Resistant to pitting and corrosion in marine environments, desalination systems, and offshore platforms.
Pulp Mill Bleach Systems: Withstands harsh chemical exposure, ensuring operational reliability and reducing maintenance downtime.
Tall Oil Distillation Columns: Provides secure fastening in high-temperature distillation processes.
Desalination Equipment: Prevents fastener degradation from prolonged contact with saline water.
Food and Chemical Processing Equipment: Safe for critical applications where hygiene and corrosion resistance are required.
Flue Gas Desulphurization Scrubbers: Performs under acidic and high-temperature exhaust environments.
Offshore Oil & Gas Production Equipment: Delivers long-term stability and strength in demanding offshore installations.
Q1: Can this hex nut withstand extreme temperatures?
A1: Yes, the Inconel718 Hex Nut retains mechanical integrity up to 700°C (1292°F) without losing strength or thread performance.
Q2: Is this nut suitable for marine environments?
A2: Absolutely. Its nickel-chromium alloy composition offers excellent corrosion resistance in saltwater and harsh chemical environments.
Q3: Are custom sizes or standards available?
A3: Yes, we provide custom threading, sizing, and finishing options according to customer specifications and international standards.
Q4: How does it compare with standard stainless steel nuts?
A4: Compared to stainless steel, Inconel718 offers superior high-temperature strength, corrosion resistance, and fatigue life, making it ideal for extreme industrial applications.
Q5: What industries commonly use this nut?
A5: Petroleum, marine, chemical processing, power generation, aerospace, and other high-demand sectors that require long-lasting and reliable fastening solutions.
Name | INCONEL 718 Hex Nut |
Standard | DIN934, ISO4032, ASME B18.2.2 |
Size Range | M5-M64 or non-standard as requested |
Finish | Bright&Clean |
Marking | HT&FST or customizationHastelloy |
Material | ALLOY718 |
Grade | Grade 100 |
Certificates | EN10204-3.1B |
Non-standards | OEM is available, according to drawing or samples |
Samples | Samples available |
Package | Bulk in box and then in cartons, then on palletsor according to customers requirement. |
| Payment | T/TWestern Union |
What the Inconel 718 is :
INCONEL alloy 718 (UNS N07718/W.Nr. 2.4668) is a high-strength, corrosion-resistant nickel chromium material used at -423° to 1300°F. Typical composition limits are shown in Table 1. The age-hardenable alloy can be readily fabricated, even into complex parts. Its welding characteristics, especially its resistance to postweld cracking, are outstanding. The ease and economy with which INCONEL alloy 718 can be fabricated, combined with good tensile, fatigue, creep, and rupture strength, have resulted in its use in a wide range of applications. Examples of these are components for liquid fueled rockets, rings, casings and various formed sheet metal parts for aircraft and land-based gas turbine engines, and cryogenic tankage. It is also used for fasteners and instrumentation parts.
• Petroleum production
• Saltwater handling
• Pulp mill bleach systems
• Tall oil distillation columns
• Desalination equipment
• Food and chemical processing equipment
• Flue gas desulphurization scrubbers
• Offshore oil & gas production equipment
Table 1 - Limiting Chemical Composition(a) , %
Nickel (plus Cobalt) .......................................................50.00-55.00
Chromium......................................................................17.00-21.00
Iron .....................................................................................Balance*
Niobium (plus Tantalum)....................................................4.75-5.50
Molybdenum .....................................................................2.80-3.30
Titanium.............................................................................0.65-1.15
Aluminum ..........................................................................0.20-0.80
Cobalt ...............................................................................1.00 max.
Carbon..............................................................................0.08 max.
Manganese .......................................................................0.35 max.
Silicon ...............................................................................0.35 max.
Phosphorus.....................................................................0.015 max.
Sulfur...............................................................................0.015 max.
Boron ..............................................................................0.006 max.
Copper..............................................................................0.30 max.
(a) Conforms to AMS specifications
*Reference to the 'balance' of a composition does not guarantee this is exclusively of the element mentioned but that it predominates and others are present only in minimal quantities.
The physical properties of stainless steel grade inconel718 are tabulated below.
Properties | Metric | Imperial |
Density | 8.24 g/cm3 | 0.296 lb/in3 |
The following table shows mechanical properties of stainless steel grade Inconel718.
Properties | Metric |
Tensile strength | 965 MPa |
Yield strength | 550 MPa |
Elongation at break | 30 % |
Hardness, Brinell | 363 |
Products description
Name | INCONEL 718 Hex head bolt |
Standard | DIN931, DIN933, ISO4014, ISO4017, JIS1180, ASME B18.2.1 |
Size Range | M5-M64 or non-standard as requested |
Finish | Bright&Clean |
Marking | HT&FST or customizationHastelloy |
Material | ALLOY718 |
Grade | Grade 100 |
Certificates | EN10204-3.1B |
Non-standards | OEM is available, according to drawing or samples |
Samples | Samples available |
Package | Bulk in box and then in cartons, then on palletsor according to customers requirement. |
| Payment | T/TWestern Union |
Name | INCONEL 718 Hex Nut |
Standard | DIN934, ISO4032, ASME B18.2.2 |
Size Range | M5-M64 or non-standard as requested |
Finish | Bright&Clean |
Marking | HT&FST or customizationHastelloy |
Material | ALLOY718 |
Grade | Grade 100 |
Certificates | EN10204-3.1B |
Non-standards | OEM is available, according to drawing or samples |
Samples | Samples available |
Package | Bulk in box and then in cartons, then on palletsor according to customers requirement. |
| Payment | T/TWestern Union |
What the Inconel 718 is :
INCONEL alloy 718 (UNS N07718/W.Nr. 2.4668) is a high-strength, corrosion-resistant nickel chromium material used at -423° to 1300°F. Typical composition limits are shown in Table 1. The age-hardenable alloy can be readily fabricated, even into complex parts. Its welding characteristics, especially its resistance to postweld cracking, are outstanding. The ease and economy with which INCONEL alloy 718 can be fabricated, combined with good tensile, fatigue, creep, and rupture strength, have resulted in its use in a wide range of applications. Examples of these are components for liquid fueled rockets, rings, casings and various formed sheet metal parts for aircraft and land-based gas turbine engines, and cryogenic tankage. It is also used for fasteners and instrumentation parts.
• Petroleum production
• Saltwater handling
• Pulp mill bleach systems
• Tall oil distillation columns
• Desalination equipment
• Food and chemical processing equipment
• Flue gas desulphurization scrubbers
• Offshore oil & gas production equipment
Table 1 - Limiting Chemical Composition(a) , %
Nickel (plus Cobalt) .......................................................50.00-55.00
Chromium......................................................................17.00-21.00
Iron .....................................................................................Balance*
Niobium (plus Tantalum)....................................................4.75-5.50
Molybdenum .....................................................................2.80-3.30
Titanium.............................................................................0.65-1.15
Aluminum ..........................................................................0.20-0.80
Cobalt ...............................................................................1.00 max.
Carbon..............................................................................0.08 max.
Manganese .......................................................................0.35 max.
Silicon ...............................................................................0.35 max.
Phosphorus.....................................................................0.015 max.
Sulfur...............................................................................0.015 max.
Boron ..............................................................................0.006 max.
Copper..............................................................................0.30 max.
(a) Conforms to AMS specifications
*Reference to the 'balance' of a composition does not guarantee this is exclusively of the element mentioned but that it predominates and others are present only in minimal quantities.
The physical properties of stainless steel grade inconel718 are tabulated below.
Properties | Metric | Imperial |
Density | 8.24 g/cm3 | 0.296 lb/in3 |
The following table shows mechanical properties of stainless steel grade Inconel718.
Properties | Metric |
Tensile strength | 965 MPa |
Yield strength | 550 MPa |
Elongation at break | 30 % |
Hardness, Brinell | 363 |
Products description
Name | INCONEL 718 Hex head bolt |
Standard | DIN931, DIN933, ISO4014, ISO4017, JIS1180, ASME B18.2.1 |
Size Range | M5-M64 or non-standard as requested |
Finish | Bright&Clean |
Marking | HT&FST or customizationHastelloy |
Material | ALLOY718 |
Grade | Grade 100 |
Certificates | EN10204-3.1B |
Non-standards | OEM is available, according to drawing or samples |
Samples | Samples available |
Package | Bulk in box and then in cartons, then on palletsor according to customers requirement. |
| Payment | T/TWestern Union |
