Unlocking the Secrets of 55NiCrMoV6 Steel: A Game-Changer in Manufacturing

The chemical composition of 55NiCrMoV6 steel is as follows:

– Nickel (Ni): 1.50-1.80%
– Chromium (Cr): 0.70-1.00%
– Molybdenum (Mo): 0.30-0.40%
– Vanadium (V): 0.10-0.20%
– Carbon (C): 0.50-0.60%
– Silicon (Si): 0.15-0.35%
– Manganese (Mn): 0.50-0.70%
– Phosphorus (P): ≤0.025%
– Sulfur (S): ≤0.010%

The mechanical properties of 55NiCrMoV6 steel are:

– Ultimate Tensile Strength: 850-1050 MPa (Megapascals)
– Yield Strength: ≥ 650 MPa
– Elongation: ≥ 16%
– Reduction of Area: ≥ 40%
– Charpy V-notch Impact Toughness: ≥ 27 J/cm²
– Hardness: ≥ 269 HB (Brinell Hardness)
– Thermal Conductivity: 42 W/(m·K) (Watts per meter-Kelvin)
– Coefficient of Thermal Expansion: 11.5 µm/(m·K) (Micrometers per meter-Kelvin)
– Specific Heat Capacity: 0.47 J/(g·K) (Joules per gram-Kelvin)
55NiCrMoV6 Steel grade
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