Mechanical properties:
– Tensile strength: 850-1000 MPa
– Yield strength: 620-800 MPa
– Elongation: 15-18%
– Hardness: 230-280 HB
Technical properties:
– Good machinability
– Good weldability
– Good cold and hot forming properties
Chemical composition:
– Carbon (C): 0.36-0.44%
– Silicon (Si): 0.10-0.35%
– Manganese (Mn): 0.50-0.80%
– Phosphorus (P): 0.035% max
– Sulfur (S): 0.040% max
– Chromium (Cr): 0.60-1.00%
– Nickel (Ni): 1.30-1.70%
– Molybdenum (Mo): 0.25-0.35%
Applications:
401S45 steel grade is commonly used in the production of components such as gears, shafts, axles, spindles, and other mechanical parts that require high strength and good wear resistance. It is also used in the manufacturing of heavy-duty equipment, machinery, and construction materials.
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