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BSW NA16 Bolt
QS Fastener: BSW NA16 Bolt
Name: BSW NA16 Bolt
Material: Incoloy 825
Standard: BSW, ANSI, DIN, NF
Size: M45*3
Length: 450 mm
Hardness: Max. 200 HB
Feature: Good resistance to stress corrosion cracking
Application: For Industrial areas where the temperature does not exceed 550 degrees Celsius
Material: Incoloy 825
Standard: BSW, ANSI, DIN, NF
Size: M45*3
Length: 450 mm
Hardness: Max. 200 HB
Feature: Good resistance to stress corrosion cracking
Application: For Industrial areas where the temperature does not exceed 550 degrees Celsius
Quantity
The BSW NA16 Bolt is manufactured from high-performance Incoloy 825 alloy, with dimensions of M45*3 and a length of 450 mm. It is available in standards such as BSW, ANSI, DIN, and NF, with a hardness not exceeding 200 HB, ensuring excellent performance in high-temperature and corrosive environments. This bolt offers superior resistance to stress corrosion cracking and is suitable for industrial applications with temperatures up to 550°C, including chemicals, petroleum, natural gas, and high-temperature equipment. Whether facing extreme temperatures or highly corrosive conditions, the BSW NA16 Bolt provides reliable connection solutions, ensuring the safety and stability of equipment operations.
The heat treatment process (including solution treatment and aging treatment) of the BSW NA16 Bolt is a critical step in optimizing its mechanical properties. By carefully controlling heat treatment temperature, time, and cooling methods, the microstructure of the material can be adjusted to enhance its strength, toughness, and corrosion resistance. The BSW NA16 Bolt is precisely engineered from this high-performance material, providing reliable solutions for fastening needs in extreme environments.
1. Overview of Heat Treatment Process
Solution Treatment: The material is heated to a high temperature to fully dissolve alloying elements into the matrix, followed by rapid cooling to form a supersaturated solid solution.
Solution Treatment: The material is heated to a high temperature to fully dissolve alloying elements into the matrix, followed by rapid cooling to form a supersaturated solid solution.
Aging Treatment: After solution treatment, the material is heated to a medium temperature to precipitate strengthening phases from the supersaturated solid solution, improving the material's strength and hardness.
Objective: Heat treatment optimizes the material's microstructure, enhancing its mechanical properties and corrosion resistance. The BSW NA16 Bolt ensures long-term stability in high-temperature and corrosive environments through optimized heat treatment processes.
2. Control of Heat Treatment Parameters
The heat treatment of the BSW NA16 Bolt requires strict control of the following parameters to ensure material performance:
The heat treatment of the BSW NA16 Bolt requires strict control of the following parameters to ensure material performance:
2.1 Solution Treatment
Temperature Range: 980-1020°C
Optimal Temperature: 1000°C (to ensure complete dissolution of alloying elements)
Excessive temperature may lead to grain coarsening.
Temperature Range: 980-1020°C
Optimal Temperature: 1000°C (to ensure complete dissolution of alloying elements)
Excessive temperature may lead to grain coarsening.
Insufficient temperature may result in incomplete dissolution of alloying elements.
Holding Time: 30-60 minutes
Ensures uniform heating and complete dissolution of alloying elements.
Cooling Method: Water cooling
Cooling Rate: >100°C/min
Rapid cooling forms a supersaturated solid solution, avoiding the precipitation of coarse phases.
Cooling Rate: >100°C/min
Rapid cooling forms a supersaturated solid solution, avoiding the precipitation of coarse phases.
The BSW NA16 Bolt ensures stability and reliability in high-temperature environments through precise control of solution treatment parameters.
2.2 Aging Treatment
First Stage Aging: 720°C/8h
Precipitates strengthening phases (e.g., γ' phase), improving the strength and hardness of the BSW NA16 Bolt.
First Stage Aging: 720°C/8h
Precipitates strengthening phases (e.g., γ' phase), improving the strength and hardness of the BSW NA16 Bolt.
Second Stage Aging: 620°C/8h
Further precipitates strengthening phases, optimizing the material's microstructure.
Further precipitates strengthening phases, optimizing the material's microstructure.
Cooling Method: Air cooling
Cooling Rate: 10-20°C/min
Avoids residual stress caused by rapid cooling.
Cooling Rate: 10-20°C/min
Avoids residual stress caused by rapid cooling.
The BSW NA16 Bolt optimizes the microstructure of the material after processing by controlling aging treatment parameters, enhancing its mechanical properties and corrosion resistance.
3. Impact of Heat Treatment on Material Properties
Proper heat treatment processes can significantly improve the mechanical properties and corrosion resistance of the BSW NA16 Bolt:
Proper heat treatment processes can significantly improve the mechanical properties and corrosion resistance of the BSW NA16 Bolt:
3.1 Mechanical Properties
Strength: Solution treatment and aging treatment enhance the tensile strength and yield strength of the BSW NA16 Bolt.
Strength: Solution treatment and aging treatment enhance the tensile strength and yield strength of the BSW NA16 Bolt.
Tensile Strength: ≥650 MPa
Yield Strength: ≥300 MPa
Yield Strength: ≥300 MPa
Hardness: Aging treatment increases the material's hardness.
Hardness: ≥200 HV
Toughness: Solution treatment and rapid cooling improve the material's impact toughness and fracture toughness.
Impact Toughness: ≥100 J/cm²
Hardness: ≥200 HV
Toughness: Solution treatment and rapid cooling improve the material's impact toughness and fracture toughness.
Impact Toughness: ≥100 J/cm²
The BSW NA16 Bolt ensures high strength and toughness in extreme environments through optimized heat treatment processes.
3.2 Corrosion Resistance
Uniformity: Solution treatment eliminates internal defects, improving the material's corrosion resistance.
Density: Aging treatment optimizes the material's microstructure, reducing the penetration of corrosive media.
Uniformity: Solution treatment eliminates internal defects, improving the material's corrosion resistance.
Density: Aging treatment optimizes the material's microstructure, reducing the penetration of corrosive media.
The BSW NA16 Bolt ensures long-term stability in highly corrosive environments through optimized heat treatment processes.
4. Summary
The heat treatment process (solution treatment and aging treatment) of the BSW NA16 Bolt is a critical step in optimizing its mechanical properties. By carefully controlling heat treatment temperature, time, and cooling methods, the microstructure of the material can be adjusted to enhance its strength, toughness, and corrosion resistance. The BSW NA16 Bolt ensures long-term stability in high-temperature and corrosive environments through optimized heat treatment processes, making it an ideal choice for industries such as petrochemicals, nuclear energy, and aerospace.
The heat treatment process (solution treatment and aging treatment) of the BSW NA16 Bolt is a critical step in optimizing its mechanical properties. By carefully controlling heat treatment temperature, time, and cooling methods, the microstructure of the material can be adjusted to enhance its strength, toughness, and corrosion resistance. The BSW NA16 Bolt ensures long-term stability in high-temperature and corrosive environments through optimized heat treatment processes, making it an ideal choice for industries such as petrochemicals, nuclear energy, and aerospace.
In practical applications, the BSW NA16 Bolt demonstrates excellent mechanical properties and corrosion resistance, meeting the long-term usage requirements in complex high-temperature environments. Whether facing extreme temperatures or highly corrosive media, the BSW NA16 Bolt provides reliable connection solutions, ensuring the safety and stability of equipment operations.
When selecting fasteners for demanding industrial applications, the BSW NA16 Bolt stands out as a reliable choice, offering exceptional performance under the most challenging conditions.
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