Cobalt Alloy Fastener

Cobalt Alloy Fasteners are specialized bolts, nuts, and screws manufactured from Cobalt-based superalloys (e.g., Stellite, Haynes 25). Zeron Fastners supplies these critical components, known for their unique ability to retain high mechanical strength and hardness at extreme temperatures (up to 1000°C) where nickel alloys begin to weaken. The high chromium content ensures excellent corrosion and oxidation resistance. The primary application of these Cobalt Alloy Fasteners is in critical, highly-stressed joints in gas turbine engines, aerospace structures, high-temperature furnace systems, and demanding chemical processing equipment.

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Cobalt Alloy Fastener

Cobalt Alloy Fastener Key Properties

Property Characteristic
Max Service Temperature Up to 1000 °C
Creep & Rupture Strength Superior at High Temperatures
Wear Profile Excellent Abrasion Resistance
Corrosion Resistance Very Good Oxidation and Chemical Resistance

Cobalt Alloy Fastener Common Grades

Grade Example Specification
Haynes 25 / L605 Aerospace/Turbine Bolting
Stellite Series High Wear/Erosion Applications

Cobalt Alloy Fastener Featured Products