– Carbon (C): 0.38-0.45%
– Silicon (Si): 0.15-0.40%
– Manganese (Mn): 0.60-0.90%
– Phosphorus (P): ≤0.035%
– Sulfur (S): ≤0.035%
– Chromium (Cr): 0.90-1.20%
– The mechanical properties of 41Cr4 steel grade may include:
– Tensile strength: 750-900 MPa
– Yield strength: 600-750 MPa
– Elongation: 11-15%
– Hardness: 197-217 HB
– The weldability of 41Cr4 steel grade is generally considered to be good, with preheating and post-weld heat treatment recommended for thicker sections to avoid cracking and improve toughness. Welding processes such as arc welding and gas welding can be used with suitable filler materials.
– The machinability of 41Cr4 steel grade is also generally good, especially when it is in the annealed or normalized condition. It can be easily machined using conventional methods such as turning, milling, drilling, and grinding. However, the material hardens during machining, so appropriate cutting tools and cooling methods should be used.
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