24CrMoV5-5, 1.7733, 15 320 – Structural Alloy Steel
The steel grade 24CrMoV5-5 (1.7733, ČSN 15 320) is a specialized alloy steel widely used across various industrial sectors due to its exceptional mechanical properties and carefully engineered chemical composition.
Key Properties
24CrMoV5-5 is known for its excellent strength, toughness, and resistance to high temperatures and pressure. These attributes make it particularly well-suited for components operating under extreme conditions. It also offers good wear and corrosion resistance, contributing to extended service life in demanding applications.
Typical Chemical Composition
Chromium (Cr): 2.00 – 2.50%
Molybdenum (Mo): 0.50 – 0.70%
Vanadium (V): 0.25 – 0.35%
Carbon (C): 0.20 – 0.25%
Manganese (Mn): 0.40 – 0.70%
Silicon (Si): 0.15 – 0.35%
Phosphorus (P): max. 0.025%
Sulfur (S): max. 0.020%
This balanced composition ensures high strength, improved wear resistance, and reliable performance at elevated temperatures.
Industrial Applications
Thanks to its superior characteristics, 24CrMoV5-5 is used in a range of industries, particularly where components are subject to extreme conditions:
Pressure Vessels:
Its strength and pressure resistance make it ideal for manufacturing pressure vessels and piping systems operating under high temperatures and pressure.
Turbines and Engines:
Suitable for components in turbines and engines that must endure both high thermal loads and mechanical stress.
Energy Sector:
Commonly used for boiler components and heat exchangers requiring resistance to corrosion and heat.
Petrochemical Industry:
Applied in equipment exposed to aggressive chemicals and elevated temperatures.
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