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ANSI B18.2.2 Color-Zinc Coated Nut
QS Fastener: ANSI B18.2.2 Color-Zinc Coated Nut
Name: ANSI B18.2.2 Color-Zinc Coated Nut
Standard: ANSI B18.2.2
Material: A194 2H
Size: 5/16 to 4 inch
Surface Finishing: Color-Zinc Coated
Thread: 4-1/2 UNC
Grade: A
Application: Oil Pipeline, Machinery, Chemical Industry, Building
Standard: ANSI B18.2.2
Material: A194 2H
Size: 5/16 to 4 inch
Surface Finishing: Color-Zinc Coated
Thread: 4-1/2 UNC
Grade: A
Application: Oil Pipeline, Machinery, Chemical Industry, Building
Quantity
The ANSI B18.2.2 Color-Zinc Coated Nut is made from high-quality A194 2H steel, with a surface treated with color zinc coating, providing excellent corrosion resistance and high strength. It is available in sizes ranging from 5/16 to 4 inches, with a thread specification of 4-1/2 UNC, and complies with the ANSI B18.2.2 standard. Suitable for demanding environments such as oil pipelines, mechanical equipment, the chemical industry, and construction projects, its Grade A quality ensures high reliability and durability, making it a preferred solution for industrial connections.
Petrochemical Industry
In the petrochemical industry, the ANSI B18.2.2 Color-Zinc Coated Nut is widely used in the following applications due to its high strength, corrosion resistance, and high-temperature stability:
Pipeline Flange Connections: Used for connecting high-pressure pipelines, with working pressures exceeding 1500 psi (10.3 MPa), ensuring sealing and safety.
In the petrochemical industry, the ANSI B18.2.2 Color-Zinc Coated Nut is widely used in the following applications due to its high strength, corrosion resistance, and high-temperature stability:
Pipeline Flange Connections: Used for connecting high-pressure pipelines, with working pressures exceeding 1500 psi (10.3 MPa), ensuring sealing and safety.
Valve Fixation: Provides reliable fastening in high-temperature and high-pressure environments (up to 250°C), preventing valve loosening or leakage.
Pressure Vessel Connections: Suitable for pressure vessels specified by ASME VIII standards, with a tensile strength of ≥1034 MPa, meeting the fastening requirements of high-pressure vessels.
Corrosive Environments: In environments containing hydrogen sulfide (H₂S) and carbon dioxide (CO₂), the color zinc coating offers long-term protection, extending equipment service life.
Mechanical Equipment
In heavy-duty mechanical equipment, the ANSI B18.2.2 Color-Zinc Coated Nut is a critical component ensuring equipment stability and safety:
Heavy Equipment Bolt Connections: Used for connecting large mechanical equipment (such as excavators and cranes), with a tensile strength of ≥1034 MPa, ensuring stability under dynamic loads.
In heavy-duty mechanical equipment, the ANSI B18.2.2 Color-Zinc Coated Nut is a critical component ensuring equipment stability and safety:
Heavy Equipment Bolt Connections: Used for connecting large mechanical equipment (such as excavators and cranes), with a tensile strength of ≥1034 MPa, ensuring stability under dynamic loads.
Vibration Environments: In high-speed or vibrating environments, the nut exhibits excellent locking performance, preventing loosening.
High-Temperature Applications: In high-temperature areas of mechanical equipment (such as engines and hydraulic systems), the ANSI B18.2.2 Color-Zinc Coated Nut maintains stable performance at temperatures up to 250°C.
Fatigue Strength: After fatigue testing, it can withstand 10⁷ cycles of load, ensuring long-term reliability.
Construction Engineering
In construction engineering, the ANSI B18.2.2 Color-Zinc Coated Nut is used for steel structure connections, providing high strength and corrosion resistance:
Steel Structure Bridges: Suitable for connections in long-span bridges, with a tensile strength of ≥1034 MPa, meeting bridge design specifications (such as AASHTO LRFD).
In construction engineering, the ANSI B18.2.2 Color-Zinc Coated Nut is used for steel structure connections, providing high strength and corrosion resistance:
Steel Structure Bridges: Suitable for connections in long-span bridges, with a tensile strength of ≥1034 MPa, meeting bridge design specifications (such as AASHTO LRFD).
High-Rise Buildings: Used for connections in steel structure frameworks, ensuring seismic performance (capable of withstanding an 8-magnitude earthquake).
Corrosion Protection: In coastal or high-humidity environments, the color zinc coating provides long-term protection, with salt spray testing exceeding 500 hours.
Size Compatibility: Available in sizes from 5/16 inches to 4 inches, compatible with ASTM A325 bolts, meeting diverse engineering needs.
Energy Industry
In the energy industry, the ANSI B18.2.2 Color-Zinc Coated Nut provides reliable fastening solutions for wind power, nuclear power, and other projects:
Wind Power Equipment: Used for connecting wind turbine towers, blades, and nacelles, with a tensile strength of ≥1034 MPa, ensuring stability under extreme wind speeds (up to 60 m/s).
In the energy industry, the ANSI B18.2.2 Color-Zinc Coated Nut provides reliable fastening solutions for wind power, nuclear power, and other projects:
Wind Power Equipment: Used for connecting wind turbine towers, blades, and nacelles, with a tensile strength of ≥1034 MPa, ensuring stability under extreme wind speeds (up to 60 m/s).
Nuclear Power Projects: In high-temperature and high-pressure environments of nuclear power plants, the A194 2H Color-Zinc Coated Nut maintains stable performance at temperatures up to 250°C, meeting ASME III standards.
Corrosion Resistance: In offshore wind power projects, the color zinc coating effectively resists seawater corrosion, extending equipment service life.
Fatigue Performance: After fatigue testing, it can withstand 10⁷ cycles of load, ensuring long-term reliability.
The ANSI B18.2.2 Color-Zinc Coated Nut demonstrates exceptional performance in the petrochemical, mechanical equipment, construction, and energy industries. Its high strength, corrosion resistance, and high-temperature stability make it an ideal choice for demanding conditions. Whether for high-pressure pipelines, heavy equipment, steel structure bridges, or wind and nuclear power projects, the ANSI B18.2.2 Color-Zinc Coated Nut provides reliable fastening solutions, ensuring equipment safety and long service life.
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