Duplex Steel Chipboard Screws
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Fastener Materials
Duplex Steel Chipboard Screws
Combining high strength with excellent chloride resistance
Duplex Steel Fasteners combine a mixed austenitic-ferritic microstructure that delivers roughly twice the strength of standard austenitic stainless steel, along with excellent resistance to chloride-induced pitting and stress corrosion cracking.
Royal Steel India manufactures Duplex 2205 bolts, studs and nuts for offshore, marine and chemical processing bolting applications where both strength and corrosion resistance are critical.
Key Features
- Higher strength than standard stainless steel
- Excellent resistance to chloride pitting and cracking
- Good weldability and toughness
- Suitable for offshore and marine bolting
- Reliable performance in aggressive chemical environments
Available Grades
- Duplex 2205
- UNS S31803
- UNS S32205
Standards Followed
- ASTM
- DIN
- ISO
- ANSI
- ASME
- BS
- IS
- JIS
Applications
Industries and sectors that rely on our Duplex Steel Chipboard Screws.
- Oil & Gas Industry
- Petrochemical Plants
- Chemical Processing
- Power Generation
- Construction
- Marine Industry
- Automotive
- Railway
- Heavy Engineering
Why Choose Royal Steel India?
Royal Steel India manufactures and supplies Duplex Steel Chipboard Screws that are precision-engineered, rigorously tested, and backed by mill test certificates for full traceability. Every batch is manufactured to meet international quality standards and the specific requirements of your project.
Whether you need standard sizes or custom specifications, we offer competitive pricing, reliable stock availability, and timely delivery for domestic and export orders.
Frequently Asked Questions
Where are Duplex Steel Fasteners used?
They are widely used in offshore platforms, marine equipment, desalination plants and chemical processing where both strength and corrosion resistance are required.
Which grade of Duplex Steel is available?
We supply Duplex 2205 (UNS S31803 / S32205) fasteners.
How does Duplex compare to standard Stainless Steel fasteners?
Duplex fasteners offer roughly double the yield strength of standard austenitic stainless steel along with superior resistance to chloride pitting and stress corrosion cracking.
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