Unveiling the Corrosion Resistance of G-X5CrNiMoNb1810 Steel Grade

The specification, mechanical properties, and chemical composition of the G-X5CrNiMoNb1810 steel grade are discussed below:

Specification:
– The G-X5CrNiMoNb1810 steel grade is a stainless steel grade that falls under the DIN EN 10213-4 and DIN 17440 standards.
– It is a cast steel grade primarily used for applications requiring corrosion resistance, particularly in aggressive and corrosive environments.
– The designation “G-X5CrNiMoNb1810” indicates the specific composition and properties of the steel grade.

Mechanical Properties:
– Tensile Strength: The G-X5CrNiMoNb1810 steel grade typically exhibits a minimum tensile strength of about 500 MPa.
– Yield Strength: The steel grade has a minimum yield strength of approximately 350 MPa.
– Elongation: It has an elongation range of approximately 25-35%, indicating good ductility and formability.
– Impact Strength: G-X5CrNiMoNb1810 steel grade possesses good impact resistance, ensuring its suitability for applications that may encounter high-stress scenarios.

Chemical Composition:
– Carbon (C): The G-X5CrNiMoNb1810 steel grade typically contains a maximum carbon content of 0.05%, promoting enhanced corrosion resistance and prevent sensitization.
– Chromium (Cr): It contains around 16-18% chromium, which contributes to the steel’s corrosion resistance, hardness, and enhanced mechanical properties.
– Nickel (Ni): The nickel content ranges from 9-11% and provides increased resistance to corrosion, especially in acidic environments.
– Molybdenum (Mo): G-X5CrNiMoNb1810 steel grade incorporates 2-3% molybdenum, which enhances resistance to pitting corrosion and improves overall strength.
– Niobium (Nb): The steel grade includes 0.15-0.35% niobium, which increases resistance to intergranular corrosion and provides stabilization against sensitization.

These specifications, mechanical properties, and chemical composition together contribute to the corrosion resistance and overall performance of the G-X5CrNiMoNb1810 steel grade, making it suitable for various applications in industries such as chemical processing, oil and gas, and marine environments.
G-X5CrNiMoNb1810 Steel grade
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