X10CrA118 Steel Grade: An In-Depth Analysis of its Composition and Properties

X10CrA118 is a high-temperature stainless steel grade. It belongs to the martensitic stainless steel family and is commonly used in applications that require high strength, good corrosion resistance, and good heat resistance.

Chemical Composition:
The chemical composition of X10CrA118 is as follows:

– Carbon (C): 0.10-0.17%
– Silicon (Si): 0.70% max
– Manganese (Mn): 0.40-0.90%
– Phosphorus (P): 0.040% max
– Sulfur (S): 0.030% max
– Chromium (Cr): 17.00-19.00%
– Nickel (Ni): 1.00-2.50%
– Molybdenum (Mo): 0.90-1.30%
– Nitrogen (N): 0.05% max
– Aluminum (Al): 0.05% max
– Iron (Fe): Balance

Mechanical Properties:
The mechanical properties of X10CrA118 steel grade vary depending on the heat treatment and the product form (e.g., plates, bars, tubes, etc.). The following are typical values for a heat-treated condition:

– Tensile Strength: 700-850 MPa
– Yield Strength: 450-600 MPa
– Elongation: 12-15%
– Hardness: 25-35 HRC (Rockwell hardness)

These properties make X10CrA118 suitable for various high-temperature applications, such as steam and gas turbines, chemical-processing equipment, power generation equipment, and automotive exhaust systems.

It is important to note that the mechanical properties can be significantly affected by the heat treatment process, so it is crucial to follow the appropriate heat treatment guidelines provided by the manufacturer or industry standards.

Overall, X10CrA118 steel grade offers a good balance of strength, corrosion resistance, and high-temperature resistance, making it a suitable choice for applications in demanding environments.
X10CrA118 Steel grade
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