**Duplex Steel: Unmatched Strength and Corrosion Resistance Over 316 Stainless Steel**
When it comes to fasteners, 316 stainless steel has long been a go-to material for its versatility and corrosion resistance. However, if you're seeking an enhanced solution that doesn't break the bank, Duplex steel could be your answer. Known for its superior strength—approximately twice that of 316 stainless—and exceptional corrosion resistance, Duplex steel fasteners offer a compelling upgrade. This post delves into the distinctions between Duplex 2205 and Super Duplex 2507 fasteners, helping you decide whether they’re the right choice for surpassing the limitations of 316 stainless.
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**Why Opt for Duplex Alloys Instead of 316 Stainless?**
Consider switching to a Duplex steel alloy bolt when the performance boundaries of 316 fasteners are hit—whether it's due to mechanical stress or corrosive environments. Both Duplex 2205 (S32205) and Super Duplex 2507 (S32750) boast roughly double the yield strength of 316 stainless, along with superior corrosion resistance. Between the two, Super Duplex 2507 is the clear winner when it comes to resisting harsh conditions.
Take a look at the graphic below to compare their tensile strengths visually:
And here’s another illustration showcasing their corrosion resistance:
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**Beyond Super Duplex: Zeron 100 Fasteners**
Before considering expensive nickel-based alloys, take a look at Zeron 100 fasteners (also called F55 or UNS S32760). As a variation of Super Duplex 2507, Zeron 100 delivers even greater corrosion resistance while maintaining excellent mechanical properties.
Check out this animation to understand how Zeron 100 compares to other materials:
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**Availability and Customization**
Many standard sizes of Duplex 2205 and Super Duplex 2507 fasteners are kept in stock, available in inch, metric, and custom configurations. If you need something specific that isn’t immediately available, rest assured that we can produce it within 2-4 weeks. Whether you're working on offshore platforms, chemical plants, or water treatment facilities, these fasteners provide unmatched reliability under demanding conditions.
For those needing even higher corrosion resistance without jumping straight to nickel alloys, Zeron 100 fasteners remain a cost-effective alternative. With stock availability and quick turnaround times, upgrading to Duplex steel just got simpler.
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If you're still unsure whether Duplex steel is right for your project, feel free to reach out! Our team is always happy to help tailor solutions to meet your unique needs.
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