Tag Archives: Duplex steel vs 316 Stainless Steel

Duplex Bolts versus 304 /316 Stainless Steel

Posted on April 29, 2021 by Kathleen

Q: How does a Duplex screw compare to a stainless steel 300 series fastener? Would they be better in a saltwater environment? A: A Duplex stainless steel screw offers many advantages over 300 series stainless steel. Duplex is offered primarily in two grades Duplex 2205 and Super Duplex 2507 (with … Continue reading →

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When to Choose Duplex Steel Bolts vs 316 Stainless

Posted on September 14, 2020 by Kathleen

Duplex Steel: Strength & Corrosion Resistance Beyond 316 316 Stainless steel fasteners have many applications, but if you are looking for an all-around improved fastener without breaking the budget, Duplex alloys might be a good choice. Duplex steel fasteners are known for their improved strength (being about 2x stronger) and … Continue reading →

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