X10CrNiNb189 Steel Grade: The Ultimate Solution for High-Temperature Environments

Specification X10CrNiNb189 Steel Grade:

– Material Type: Stainless Steel
– Grade: X10CrNiNb189
– Standard: EN 10028-7
– Chemical Composition:
– Carbon (C): 0.12% max
– Silicon (Si): 1.00% max
– Manganese (Mn): 2.00% max
– Phosphorus (P): 0.045% max
– Sulfur (S): 0.015% max
– Chromium (Cr): 17.00-20.00%
– Nickel (Ni): 10.00-12.00%
– Niobium (Nb): 0.15-0.30%
– Nitrogen (N): 0.10% max
– Iron (Fe): Balance
– Mechanical Properties (at room temperature):
– Tensile Strength: 550-800 MPa
– Yield Strength: 245 MPa min
– Elongation: 40% min
– Hardness (Brinell): 160 max
– Application: High-temperature environments such as steam boilers, superheaters, heat exchangers, and pressure vessels.
– Features:
– Excellent high-temperature strength and oxidation resistance
– Good mechanical properties at elevated temperatures
– Good resistance to corrosion and pitting
– Suitable for welding and fabrication processes
– Reliable performance in long-term use
– Limitations:
– Not recommended for use in sulfur-containing environments
– Limited resistance to chloride-induced stress corrosion cracking
– Certification:
– Material test certificate (MTC) as per EN 10204 3.1 or 3.2
– Compliance with relevant international standards
– Additional testing and certification options available on request
X10CrNiNb189 Steel grade
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