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Incoloy 825

High nickel alloy steel grade that has molybdenum, titanium and niobium along with chromium. Due to the properties of this material it has excellent performance under high temperatures up to 870˚C [1600˚F] degrees.
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TRADEMARK UNS WERKSTOFF NR. EN BS JIS AFNOR
Incoloy 825 N08825 2.4858 NiCr21Mo NA 16 SUS 825 NFE30C20DUM
INCOLOY® 825 is a nickel-iron-chromium alloy strengthened with molybdenum, copper, and titanium. It provides excellent resistance to aqueous corrosion, pitting, crevice corrosion, intergranular attack, and stress-corrosion cracking. The alloy performs reliably in both acidic and alkaline environments and is widely used in chemical processing, oil & gas, pollution control, marine applications, heat exchangers, nuclear processing, and sulfuric/phosphoric acid equipment. Its combination of corrosion resistance, mechanical strength, and good weldability makes INCOLOY® 825 suitable for demanding industrial applications.
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Typical specification data

Technical reference

Final chemical, mechanical properties, dimensions and tolerances are confirmed against the governing specification and purchase order.

Chemical Properties
% Carbon Silicon Manganese Phosphorus Sulfur Nickel Chromium Copper Molybdenum Titanium Aluminum
min. - - - - - 38.00 19.50 1.50 2.50 0.60 -
max. 0.05 0.5 1.00 0.03 0.03 46.00 23.50 3.00 3.50 1.20 0.20
Mechanical Properties
- Tensile Strength Yield Strength Elongation Hardness
min. 75 ksi [515 MPa] 35 ksi [241 MPa] 30% -
max. - - - 331 HB

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