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NF NC23FeA Bolt and Nut
QS Fastener: NF NC23FeA Bolt and Nut
Name: NF NC23FeA Bolt and Nut
Material: N06601
Standard: NF, ANSI, DIN
Size: M6-M100
Product Grade: A
Length: 30 to 3000 mm
Strength of Extension: 650 N/mm²
Feature: Excellent Oxidation Resistance at High Temperatures
Application: For Thermal Treatment Plant
Material: N06601
Standard: NF, ANSI, DIN
Size: M6-M100
Product Grade: A
Length: 30 to 3000 mm
Strength of Extension: 650 N/mm²
Feature: Excellent Oxidation Resistance at High Temperatures
Application: For Thermal Treatment Plant
Quantity
NF NC23FeA Bolt and Nut are made from high-performance N06601 alloy, compliant with international standards such as NF, ANSI, and DIN. With a product grade of Class A, they are available in a wide range of sizes from M6 to M100, and lengths can be customized up to 3000 mm. These products boast a tensile strength of up to 650 N/mm². They stand out for their exceptional high-temperature oxidation resistance, maintaining excellent stability and durability in extreme high-temperature environments, making them particularly suitable for applications such as heat treatment equipment. NF NC23FeA Bolt and Nut not only exhibit outstanding mechanical properties but also effectively resist oxidation and corrosion, ensuring long-term reliable operation of equipment in high-temperature conditions.
NF NC23FeA Bolt and Nut demonstrate excellent creep resistance, making them perform exceptionally well in high-temperature stress environments.
1. Creep Mechanism
Creep refers to the slow plastic deformation of materials under high temperatures and continuous stress. The creep resistance of NF NC23FeA Bolt and Nut is primarily attributed to the following factors:
- High Nickel Matrix (58-63%): The nickel matrix provides a stable high-temperature structure, reducing grain boundary sliding and dislocation movement.
Creep refers to the slow plastic deformation of materials under high temperatures and continuous stress. The creep resistance of NF NC23FeA Bolt and Nut is primarily attributed to the following factors:
- High Nickel Matrix (58-63%): The nickel matrix provides a stable high-temperature structure, reducing grain boundary sliding and dislocation movement.
- Solid Solution Strengthening Elements (Chromium, Aluminum, Iron): The solid solution strengthening effects of chromium and aluminum enhance the material's creep resistance.
- Grain Boundary Strengthening: Elements such as aluminum and titanium form carbides and intermetallic compounds at grain boundaries, inhibiting grain boundary sliding.
2. Experimental Data
The following experimental data on the creep rupture time of NF NC23FeA Bolt and Nut under different temperatures and stresses demonstrate their performance:
- At 600°C: Under a stress of 100 MPa, the creep rupture time of NF NC23FeA Bolt and Nut exceeds 10,000 hours, showcasing excellent creep resistance.
The following experimental data on the creep rupture time of NF NC23FeA Bolt and Nut under different temperatures and stresses demonstrate their performance:
- At 600°C: Under a stress of 100 MPa, the creep rupture time of NF NC23FeA Bolt and Nut exceeds 10,000 hours, showcasing excellent creep resistance.
- At 700°C: Under a stress of 50 MPa, the creep rupture time exceeds 5,000 hours, maintaining high creep resistance.
3. Long-Term Creep Performance
NF NC23FeA Bolt and Nut exhibit outstanding creep performance under long-term high-temperature stress conditions:
- 10,000-Hour Creep Test at 600°C: The creep deformation is less than 1%, with no rupture observed.
NF NC23FeA Bolt and Nut exhibit outstanding creep performance under long-term high-temperature stress conditions:
- 10,000-Hour Creep Test at 600°C: The creep deformation is less than 1%, with no rupture observed.
- 5,000-Hour Creep Test at 700°C: The creep deformation is less than 2%, and the material structure remains stable.
4. Influencing Factors
The creep resistance of NF NC23FeA Bolt and Nut is influenced by the following factors:
- Temperature: Higher temperatures accelerate the creep rate, but it remains low below 700°C.
The creep resistance of NF NC23FeA Bolt and Nut is influenced by the following factors:
- Temperature: Higher temperatures accelerate the creep rate, but it remains low below 700°C.
- Stress: Higher stresses reduce the creep rupture time, but performance remains excellent within the design stress range.
- Microstructure: Grain size and precipitate distribution significantly affect creep resistance, with fine grains and uniform precipitates enhancing creep resistance.
5. Comparison with Other Materials
The following comparison highlights the creep resistance of NF NC23FeA Bolt and Nut with other high-temperature alloys at 600°C and 700°C:
- Inconel 601: Exhibits the longest creep rupture time at 600°C and 700°C, offering the best creep resistance.
- Inconel 600: Shows good creep resistance but is inferior to Inconel 601.
- Incoloy 800: Offers moderate creep resistance, suitable for medium-temperature environments.
- 304 Stainless Steel: Performs poorly in high-temperature creep resistance and is unsuitable for long-term high-temperature use.
The following comparison highlights the creep resistance of NF NC23FeA Bolt and Nut with other high-temperature alloys at 600°C and 700°C:
- Inconel 601: Exhibits the longest creep rupture time at 600°C and 700°C, offering the best creep resistance.
- Inconel 600: Shows good creep resistance but is inferior to Inconel 601.
- Incoloy 800: Offers moderate creep resistance, suitable for medium-temperature environments.
- 304 Stainless Steel: Performs poorly in high-temperature creep resistance and is unsuitable for long-term high-temperature use.
6. Creep Resistance in Practical Applications
The creep resistance of NF NC23FeA Bolt and Nut makes them excel in the following high-temperature stress applications:
- Gas Turbines: Used in turbine blades and combustion chamber components, enduring long-term high temperatures and high stresses.
The creep resistance of NF NC23FeA Bolt and Nut makes them excel in the following high-temperature stress applications:
- Gas Turbines: Used in turbine blades and combustion chamber components, enduring long-term high temperatures and high stresses.
- Heat Treatment Equipment: Used in furnace supports and NF NC23FeA Bolt and Nut, resisting high-temperature creep and thermal fatigue.
- Chemical Reactors: Used in high-temperature reactor seals and fasteners, resisting creep and corrosion.
NF NC23FeA Bolt and Nut demonstrate excellent creep resistance in high-temperature stress environments at 600°C and 700°C, primarily due to their high nickel matrix and solid solution strengthening elements. Their long-term high-temperature stability and creep resistance make them an ideal choice for high-temperature fasteners and structural components. For further information on the creep resistance of NF NC23FeA Bolt and Nut or customized design inquiries, please contact our technical support team.
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