Product Description: Alloy 45 / 2.4969 (Co-Cr-W) / UNS R30605
Alloy 45 / 2.4969 (Co-Cr-W) / UNS R30605 is a cobalt-chromium-tungsten heat-resistant and wear-resistant alloy designed for operation under high temperatures, severe mechanical wear, and corrosive environments. The material is characterized by high hardness, excellent abrasion resistance, and stability of properties at elevated temperatures.
General Technical Characteristics
Alloy 45 offers high mechanical strength, corrosion resistance, and the ability to retain performance characteristics under thermal stress conditions. The material is widely used for components operating under friction, impact loads, and aggressive environments.
Key properties:
- high wear resistance
- excellent corrosion resistance
- oxidation resistance
- retention of hardness at elevated temperatures
Chemical Composition
The alloy contains:
- Cobalt (Co): base element
- Chromium (Cr): approx. 24–28%
- Tungsten (W): 10–15%
- Carbon (C): approx. 0.2–0.5%
- Nickel (Ni): up to 5%
- Iron (Fe): up to 3%
This composition provides high strength and wear resistance.
Mechanical Properties
The alloy demonstrates:
- high hardness
- resistance to abrasive and adhesive wear
- resistance to thermal fatigue
- stability of properties at elevated temperatures
Applications
Alloy 45 is used for manufacturing and hardfacing of:
- valves and valve seats
- cutting tools
- turbine and pump components
- chemical processing equipment parts
- components operating under severe wear conditions
The material is widely applied in power generation, oil and gas, chemical, and mechanical engineering industries.
Features
Key advantages include:
- high wear resistance
- excellent corrosion resistance
- stability at elevated temperatures
- long service life
Supply Formats and Standards
The material is supplied as:
- bars
- hardfacing powders
- cast ingots
- welding consumables
Complies with standards:
- UNS R30605
- DIN 2.4969
- Alloy 45 Co-Cr-W
Alloy 45 is an effective solution for manufacturing and restoration of components operating under high temperatures, severe wear, and aggressive environments, where reliability and durability are essential.
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