– High tensile strength
– Good toughness and ductility
– Excellent fatigue resistance
– High impact strength
– Good weldability
Technical properties:
– Good machinability
– High strength-to-weight ratio
– Resistance to corrosion and erosion in marine environments
– Good formability and fabricability
Chemical composition:
– Carbon (C): 0.22-0.29%
– Silicon (Si): max 0.40%
– Manganese (Mn): 0.60-1.00%
– Phosphorus (P): max 0.025%
– Sulfur (S): max 0.035%
– Chromium (Cr): 0.90-1.20%
– Molybdenum (Mo): 0.15-0.30%
Advantages of using 25CrMo4 KB steel in offshore and marine applications:
– Superior strength and toughness for structural components
– Excellent resistance to corrosion in marine environments
– High fatigue resistance for long-term durability
– Good weldability for ease of fabrication and repair
– Suitable for a wide range of marine applications due to its versatile properties.
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