Understanding the Properties of 816M40 Steel Grade

816M40 is a low-alloy steel grade that is commonly used in the engineering industry, particularly for applications where high strength and good impact resistance are required. This steel grade is known for its excellent toughness and ductility, along with good wear resistance.

Mechanical Properties:
– Tensile strength: 700-850 MPa
– Yield strength: 450-650 MPa
– Elongation: 13-17%
– Impact strength: 27-35 J

Chemical Composition:
– Carbon (C): 0.36-0.44%
– Silicon (Si): 0.10-0.40%
– Manganese (Mn): 0.60-1.00%
– Phosphorus (P): 0.035% max
– Sulfur (S): 0.04% max
– Chromium (Cr): 0.90-1.20%
– Molybdenum (Mo): 0.15-0.25%

In addition to the above properties, 816M40 steel grade also has good hardenability, can be heat treated to achieve a high tensile strength, and is suitable for applications such as gears, shafts, and other structural components in engineering and industrial sectors. Understanding the mechanical properties and chemical composition of 816M40 steel grade is essential for ensuring its proper use and performance in various applications.
816M40 Steel grade
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