High-Strength Cobalt Alloy Rod & Bar Stock

High-Strength Cobalt Alloy Rod and Bar Stock are raw materials specifically chosen for machining components that operate under intense mechanical stress and elevated temperatures. Alloys like Stellite 21 (UNS R30021) are characterized by a unique combination of high tensile strength, outstanding hot hardness, and excellent resistance to thermal fatigue and creep. This makes the rods ideal for use in hot sections of turbine engines, high-pressure pump shafts, and structural members in high-temperature furnaces. Zeron Fastners is a specialized supplier in India, offering certified, high-quality cobalt alloy bar stock that meets the stringent specifications for high-integrity, aerospace material and demanding industrial machinery.

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High-Strength Cobalt Alloy Rod Chemical Composition

Element Composition
Cobalt (Co) Balance
Chromium (Cr) 25.0 - 29.0
Molybdenum (Mo) 5.0 - 6.0
Nickel (Ni) 2.0 - 4.0
Iron (Fe) 3.0 max
Carbon (C) 0.20 - 0.35

High-Strength Cobalt Alloy Rod Mechanical & Thermal Properties

Property Value
Ultimate Tensile Strength, minimum 725 MPa
Yield Strength (0.2% Offset) 310 MPa
Hardness (HB) 230 - 300
Max Operating Temperature (Approx.) 980°C
Creep Resistance Excellent

Features Product

Cobalt Alloy Washer Ceramic Composite Washer Titanium Alloy Nut Duplex UNS S32750 Reducers Duplex UNS S32205 Couplings

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