Tag Archives: Duplex Steel 329 Fasteners

All About Alloy 20 Fasteners

Alloy 20 Fasteners

Nickel, chromium, molybdenum, and copper are combined in alloy 20 fasteners, sometimes referred to as Carpenter 20 and 20CB-3, to offer good all-around corrosion resistance. Fasteners made with alloy 20 (2.4660) are best suited for moderate corrosion applications; they outperform steel alloys but fall short of high performance nickel-based alloys …

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