Duplex Bolt

Product Details

Duplex Bolts are a type of fastener that offers exceptional strength, corrosion resistance, and durability. This type of bolt is widely used in various industries, including oil and gas, chemical processing, and marine engineering.
Grades and Standards of Duplex Bolts
Duplex Bolts are available in various grades, including:
- UNS S31803 (Duplex Steel)- UNS S32205 (Duplex Steel)- ASTM A479 (Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels)- ASTM F593 (Standard Specification for Stainless Steel Bolts, Hex Cap Screws, and Studs)- EN 10088-2 (Stainless Steels - Part 2: Technical Delivery Conditions for Sheet/Plate and Strip of Corrosion Resisting Steels for General Purposes)- EN 10269 (Stainless Steel and Nickel Alloy Bolts and Nuts for Special Requirements)
Equivalent Grades of Duplex Bolts
Duplex Bolts are also known by various equivalent grades, including:
- EN 1.4462 (Duplex Steel)- EN 1.4410 (Duplex Steel)- JIS SUS329J1 (Duplex Steel)- ASME SA-479 (Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels)- ASME SA-593 (Stainless Steel Bolts, Hex Cap Screws, and Studs)
Applications of Duplex Bolts
Duplex Bolts are widely used in various industries, including:
- Oil and Gas: Duplex Bolts are used in the manufacture of oil and gas equipment, such as pipes, fittings, and valves.- Chemical Processing: Duplex Bolts are used in the manufacture of chemical processing equipment, such as heat exchangers and reactors.- Marine Engineering: Duplex Bolts are used in the manufacture of marine engineering equipment, such as propeller shafts and seawater pipes.
Properties of Duplex Bolts
Duplex Bolts offer exceptional properties, including:
- High strength (up to 700 MPa)- High corrosion resistance- High durability- High thermal stability- Low magnetic permeability
Machining and Fabrication of Duplex Bolts
Duplex Bolts can be machined and fabricated using various techniques, including:
- Cutting- Grinding- Polishing- Bending- Welding
Conclusion
Duplex Bolts are a type of fastener that offers exceptional strength, corrosion resistance, and durability. Its unique properties make it an ideal material for applications where high performance and reliability are critical.