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UNS S66286 Special Fastener
QS Fastener: UNS S66286 Special Fastener
Name: UNS S66286 Special Fastener
Standard: ANSI/ASTM, DIN
Material: A453 Gr660
Size: M6 to M100
Product Grade: A
Length: 30 to 1000 mm
Tensile Strength(Rm): 895 N/mm²
Elongation: 25%
Feature: Excellent Corrosion Resistance
Application: For Aerospace and Heavy Industry, etc.
Standard: ANSI/ASTM, DIN
Material: A453 Gr660
Size: M6 to M100
Product Grade: A
Length: 30 to 1000 mm
Tensile Strength(Rm): 895 N/mm²
Elongation: 25%
Feature: Excellent Corrosion Resistance
Application: For Aerospace and Heavy Industry, etc.
Quantity
The UNS S66286 Special Fastener is a high-performance fastener! Made from A453 Gr660 material, it complies with ANSI/ASTM or DIN standards, offering exceptional corrosion resistance and ultra-high strength. With a tensile strength of up to 895 N/mm² and an elongation of 25%, it ensures durability and reliability. The product is Grade A, with sizes ranging from M6 to M100 and lengths from 30 to 1000 mm, meeting diverse needs. Designed for demanding applications in heavy industries such as oil, energy, and power, it is an ideal choice for high-temperature, high-pressure, and corrosive conditions. Choose the UNS S66286 Special Fastener to provide robust and durable support for your projects!
Applications of ASTM A453 Gr.660 Fasteners in the Energy and Power Sector
The UNS S66286 Special Fastener is primarily used in high-temperature and high-pressure environments such as gas turbines, boilers, and high-temperature pipelines, showcasing its exceptional performance.
The UNS S66286 Special Fastener is primarily used in high-temperature and high-pressure environments such as gas turbines, boilers, and high-temperature pipelines, showcasing its exceptional performance.
Application Scenarios
1. Gas Turbines
Operating Conditions: Temperatures of 600-800°C, high-speed airflow erosion, thermal cyclic loads.
1. Gas Turbines
Operating Conditions: Temperatures of 600-800°C, high-speed airflow erosion, thermal cyclic loads.
Key Areas: Turbine blade connecting bolts, combustion chamber flange bolts.
Using the UNS S66286 Special Fastener significantly enhances the reliability of gas turbines in extreme environments.
Using the UNS S66286 Special Fastener significantly enhances the reliability of gas turbines in extreme environments.
2. Boilers
Operating Conditions: Temperatures of 500-600°C, pressure of 10-20MPa, medium being high-temperature and high-pressure steam.
Operating Conditions: Temperatures of 500-600°C, pressure of 10-20MPa, medium being high-temperature and high-pressure steam.
Key Areas: Furnace connecting bolts, pipeline flange bolts.
The UNS S66286 Special Fastener demonstrates excellent high-temperature resistance and creep resistance in boiler applications.
3. High-Temperature Pipelines
Operating Conditions: Temperatures of 400-500°C, pressure of 5-15MPa, medium being high-temperature steam or flue gas.
Key Areas: Pipeline flange connecting bolts, bracket fixing bolts.
Operating Conditions: Temperatures of 400-500°C, pressure of 5-15MPa, medium being high-temperature steam or flue gas.
Key Areas: Pipeline flange connecting bolts, bracket fixing bolts.
Choosing the UNS S66286 Special Fastener effectively extends the service life of high-temperature pipelines and reduces maintenance costs.
Performance Advantages
1. High-Temperature Oxidation Resistance
At 800°C in air, the oxidation rate of the UNS S66286 Special Fastener is ≤0.02 mg/cm²·h, forming a continuous Al₂O₃/Cr₂O₃ composite oxide film on the surface.
1. High-Temperature Oxidation Resistance
At 800°C in air, the oxidation rate of the UNS S66286 Special Fastener is ≤0.02 mg/cm²·h, forming a continuous Al₂O₃/Cr₂O₃ composite oxide film on the surface.
In sulfur-containing flue gas (SO₂ 500ppm) at 600°C, the annual corrosion rate is ≤0.1mm, significantly outperforming 304 stainless steel (≥1mm/year).
2. Stress Corrosion Cracking (SCC) Resistance
In high-temperature and high-pressure water (with Cl⁻ 500ppm), the UNS S66286 Special Fastener does not experience SCC failure, while 304 stainless steel develops cracks within 48 hours under the same conditions.
In high-temperature and high-pressure water (with Cl⁻ 500ppm), the UNS S66286 Special Fastener does not experience SCC failure, while 304 stainless steel develops cracks within 48 hours under the same conditions.
3. Creep Resistance
At 600°C/200 MPa, the steady-state creep rate of the UNS S66286 Special Fastener is ≤1×10⁻⁸/s, with a service life of ≥20 years, meeting the long-life requirements of gas turbines and boilers.
At 600°C/200 MPa, the steady-state creep rate of the UNS S66286 Special Fastener is ≤1×10⁻⁸/s, with a service life of ≥20 years, meeting the long-life requirements of gas turbines and boilers.
4. Fatigue Resistance
In dynamic load environments, the fatigue life of the UNS S66286 Special Fastener is more than 30% higher than that of ordinary stainless steel, reducing the risk of failure due to vibration.
In dynamic load environments, the fatigue life of the UNS S66286 Special Fastener is more than 30% higher than that of ordinary stainless steel, reducing the risk of failure due to vibration.
Why Choose the UNS S66286 Special Fastener?
Exceptional High-Temperature Performance: Maintains stable performance in extreme high-temperature environments.
Exceptional High-Temperature Performance: Maintains stable performance in extreme high-temperature environments.
Long Service Life and High Reliability: Significantly extends equipment service life and reduces maintenance frequency.
Cost-Effectiveness: Although the initial cost is higher, its long service life and low maintenance costs make it more cost-effective overall.
Whether for gas turbines, boilers, or high-temperature pipelines, the UNS S66286 Special Fastener can provide unparalleled performance and reliability. Choose the UNS S66286 Special Fastener to ensure the success of your critical applications!
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