Understanding the Composition and Characteristics of X5CrNi189 Steel Grade

The X5CrNi189 steel grade is a type of austenitic stainless steel. It is commonly known as AISI 304 or EN 1.4301 stainless steel. This steel grade is widely used in various industries due to its excellent corrosion resistance, high temperature strength, and good formability.

Mechanical Properties:
– Tensile Strength: The X5CrNi189 steel grade has a tensile strength of 515-730 MPa, which makes it suitable for applications that require high strength.
– Yield Strength: The minimum yield strength of this steel grade is 205 MPa.
– Elongation: It has a minimum elongation of 40%, indicating good ductility.
– Hardness: The hardness of X5CrNi189 steel is typically in the range of 88-92 HRB.

Chemical Composition:
The chemical composition of X5CrNi189 steel grade is as follows:
– Carbon (C): 0.08% maximum
– Chromium (Cr): 17.5-19.5%
– Nickel (Ni): 8-10.5%
– Manganese (Mn): 2% maximum
– Silicon (Si): 1% maximum
– Phosphorus (P): 0.045% maximum
– Sulfur (S): 0.03% maximum

These elements contribute to the steel’s corrosion resistance, strength, and formability. Chromium provides corrosion resistance by forming a passive oxide layer on the surface, while nickel enhances the steel’s ductility and toughness.

Overall, the X5CrNi189 steel grade is a versatile material with excellent mechanical and chemical properties. It is commonly used in applications such as kitchen equipment, food processing plants, chemical processing equipment, and architectural structures.
X5CrNi189 Steel grade
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