Mechanical Properties:
– Tensile strength: 850-1050 MPa
– Yield strength: 700-850 MPa
– Elongation: 10-13%
– Hardness: 58-63 HRC
Technical Properties:
– Good wear resistance
– High hardness
– High toughness
– Good dimensional stability during heat treatment
– Excellent hot hardness
– Good machinability
Chemical Composition:
– Carbon (C): 0.45%
– Chromium (Cr): 1.00%
– Vanadium (V): 0.15-0.30%
– Tungsten (W): 1.00-1.20%
– Manganese (Mn): 0.10-0.40%
– Silicon (Si): 0.15-0.35%
– Phosphorus (P): max 0.03%
– Sulfur (S): max 0.03%
Applications:
– 45WCrV7 steel grade is commonly used in making cutting tools, such as knives, blades, and shears, due to its high hardness and wear resistance.
– It is also utilized in making cold working tools, such as punches, dies, and small machine parts, due to its good toughness and dimensional stability during heat treatment.
– Other applications include highly stressed components in mechanical engineering and automotive industries, where high strength and wear resistance are required.
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