Chemical Composition:
– Carbon (C): 0.30-0.37%
– Silicon (Si): 0.40% max
– Manganese (Mn): 0.60-0.90%
– Phosphorus (P): 0.025% max
– Sulfur (S): 0.035% max
– Chromium (Cr): 0.90-1.20%
Mechanical Properties:
– Tensile strength: 1000-1250 MPa
– Yield strength: 900-1100 MPa
– Elongation: 11-13%
– Hardness: 32-39 HRC
The 34Cr4 steel is commonly used in the manufacturing of gears, shafts, crankshafts, and other machine parts where high strength and good wear resistance are required. Its chemical composition and mechanical properties make it suitable for applications under high loading and impact. Additionally, it can be heat treated to further improve its mechanical properties.
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