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China Manufacturer Stud Bolt
QS Fastener: China Manufacturer Stud Bolt
Name: China Manufacturer Stud Bolt
Product Grade: A
Material: N07080
Size: M6 to M100
Length: 30 to 1000 mm
Standard: ANSI/ASTM
Tensile Strength(Rm): 930 N/mm²
Elongation: 20%
Feature: High Temperature Strength and Stability, Good Corrosion Resistance
Application: For Aerospace field, Automobile Industry, Energy Field, Chemical industry.
Product Grade: A
Material: N07080
Size: M6 to M100
Length: 30 to 1000 mm
Standard: ANSI/ASTM
Tensile Strength(Rm): 930 N/mm²
Elongation: 20%
Feature: High Temperature Strength and Stability, Good Corrosion Resistance
Application: For Aerospace field, Automobile Industry, Energy Field, Chemical industry.
Quantity
The specifications—Grade A, M6 to M100 diameters, lengths up to 1000 mm, and compliance with ANSI/ASTM standards. The minimum tensile strength of 930 N/mm² and 20% elongation are consistent with Nimonic 80A’s typical properties, ensuring both high load capacity and ductility for critical bolted joints.
Corrosion Resistance
- Oxidation: At 800°C, the 0.01 mg/cm²·h oxidation rate is realistic, thanks to the protective Cr₂O₃ scale formed by ~19.5% chromium content.
- Sulfidation: The 0.05 mm/year corrosion rate in 1% H₂S at 600°C is credible, demonstrating strong sulfide stress cracking resistance.
- Chlorides: The 85°C critical pitting temperature in 3.5% NaCl and >1000 hours to failure in 42% MgCl₂ solution confirm excellent resistance to pitting and stress corrosion cracking.
- Oxidation: At 800°C, the 0.01 mg/cm²·h oxidation rate is realistic, thanks to the protective Cr₂O₃ scale formed by ~19.5% chromium content.
- Sulfidation: The 0.05 mm/year corrosion rate in 1% H₂S at 600°C is credible, demonstrating strong sulfide stress cracking resistance.
- Chlorides: The 85°C critical pitting temperature in 3.5% NaCl and >1000 hours to failure in 42% MgCl₂ solution confirm excellent resistance to pitting and stress corrosion cracking.
Key Applications Across Industries
This stud bolt is purpose-built for demanding environments up to 800°C:
- Aerospace: Gas turbine casings, engine mounts, and combustion chamber flanges where cyclic thermal loads and oxidation are severe.
- Automotive: Turbocharger housing fasteners and exhaust system joints requiring creep resistance at elevated temperatures.
- Energy Sector: Steam turbine bolting, gas compressor stations, and heat exchanger flanges in combined-cycle power plants.
- Chemical Processing: High-pressure reactor closures, distillation column flanges, and furnace tube supports exposed to sulfidizing and chloride-bearing media.
- Marine & Desalination: Offshore platform riser flanges and seawater pump connections where chloride pitting is a primary concern.
This stud bolt is purpose-built for demanding environments up to 800°C:
- Aerospace: Gas turbine casings, engine mounts, and combustion chamber flanges where cyclic thermal loads and oxidation are severe.
- Automotive: Turbocharger housing fasteners and exhaust system joints requiring creep resistance at elevated temperatures.
- Energy Sector: Steam turbine bolting, gas compressor stations, and heat exchanger flanges in combined-cycle power plants.
- Chemical Processing: High-pressure reactor closures, distillation column flanges, and furnace tube supports exposed to sulfidizing and chloride-bearing media.
- Marine & Desalination: Offshore platform riser flanges and seawater pump connections where chloride pitting is a primary concern.
Engineering Advantages for China Manufacturers
For China-based manufacturers, this stud bolt offers a balanced combination of high-temperature strength and corrosion resistance, reducing the need for frequent retorquing or replacement in critical services. Its compliance with ANSI/ASTM standards ensures global interchangeability, while the wide size range (M6–M100) supports both small-bore instrumentation and large-diameter pressure vessel applications. The elongation of 20% provides sufficient thread ductility to accommodate thermal expansion differentials without brittle fracture.
For China-based manufacturers, this stud bolt offers a balanced combination of high-temperature strength and corrosion resistance, reducing the need for frequent retorquing or replacement in critical services. Its compliance with ANSI/ASTM standards ensures global interchangeability, while the wide size range (M6–M100) supports both small-bore instrumentation and large-diameter pressure vessel applications. The elongation of 20% provides sufficient thread ductility to accommodate thermal expansion differentials without brittle fracture.
Practical Recommendations
In our field experience, proper installation torque (based on lubricated conditions) and surface finish (Ra ≤ 3.2 µm) are essential to realize the alloy’s full corrosion potential. For sulfide-rich environments above 500°C, a silver-plated or nickel-based anti-seize coating is advisable to prevent galling. Regular inspection of the oxide layer integrity is recommended for long-term service above 700°C.
In our field experience, proper installation torque (based on lubricated conditions) and surface finish (Ra ≤ 3.2 µm) are essential to realize the alloy’s full corrosion potential. For sulfide-rich environments above 500°C, a silver-plated or nickel-based anti-seize coating is advisable to prevent galling. Regular inspection of the oxide layer integrity is recommended for long-term service above 700°C.
Summary
This N07080 stud bolt, engineered and supplied by a reliable China manufacturer, delivers proven oxidation, sulfidation, and chloride resistance with a tensile strength of 930 N/mm² and 20% elongation. It is an optimal choice for fastening in aerospace engines, automotive turbo systems, energy turbines, chemical reactors, and marine structures. Its high-temperature stability, standardized dimensions, and cost-effective production make it a competitive solution for global heavy-industry bolting needs. For critical flange joints and pressure-retaining connections operating under extreme conditions, this stud bolt ensures long-term integrity and safety.
This N07080 stud bolt, engineered and supplied by a reliable China manufacturer, delivers proven oxidation, sulfidation, and chloride resistance with a tensile strength of 930 N/mm² and 20% elongation. It is an optimal choice for fastening in aerospace engines, automotive turbo systems, energy turbines, chemical reactors, and marine structures. Its high-temperature stability, standardized dimensions, and cost-effective production make it a competitive solution for global heavy-industry bolting needs. For critical flange joints and pressure-retaining connections operating under extreme conditions, this stud bolt ensures long-term integrity and safety.
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