Understanding the Chemical Composition and Mechanical Properties of 17CrNiMo6 Steel Grade

The chemical composition and mechanical properties of 17CrNiMo6 steel grade are important factors to consider when using this material for various applications.

Chemical Composition:
17CrNiMo6 steel grade is a low-alloyed and heat-treatable steel with the following chemical composition:

– Carbon (C): 0.15 – 0.21%
– Silicon (Si): 0.15 – 0.35%
– Manganese (Mn): 0.50 – 0.80%
– Phosphorus (P): max 0.035%
– Sulfur (S): max 0.035%
– Chromium (Cr): 1.25 – 1.6%
– Nickel (Ni): 1.3 – 1.7%
– Molybdenum (Mo): 0.15 – 0.3%

The presence of these elements in specific amounts contributes to the material’s overall performance and properties.

Mechanical Properties:
The mechanical properties of 17CrNiMo6 steel grade are as follows:

– Tensile Strength: 980 – 1180 MPa
– Yield Strength: 785 – 930 MPa
– Elongation: 12 – 14%
– Hardness: 255 – 285 HB
– Impact Strength: 27 J

These mechanical properties determine the strength, ductility, and toughness of the material, making it suitable for various applications where high strength and good resistance to wear and fatigue are required.

Overall, understanding the chemical composition and mechanical properties of 17CrNiMo6 steel grade is crucial for selecting and using this material appropriately in different industries, including automotive, machinery, and oil and gas.
17CrNiMo6 Steel grade
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