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INCOLOY Nickel-Iron-Chromium Alloys

Superior oxidation and carburization resistance at high temperatures. Jiangsu Ranboyu Metal Products Co.,Ltd supplies a comprehensive range of Incoloy alloys designed for long-term service in demanding thermal and corrosive environments -- furnace components, heat exchangers, and petrochemical equipment.

Popular Grades

Fe-Ni-Cr

Incoloy 800

Standard nickel-iron-chromium alloy for high-temperature service up to 816°C. Excellent resistance to oxidation, carburization, and nitriding atmospheres. Widely used in heat treating equipment and petrochemical processing.

Ni30.0 – 35.0%
Cr19.0 – 23.0%
Fe≥ 39.5%
Al0.15 – 0.60%
Ti0.15 – 0.60%
C≤ 0.10%
Mn≤ 1.50%
Si≤ 1.00%
High Carbon

Incoloy 800H

Higher carbon content gives superior creep and stress-rupture properties at temperatures above 600°C. Designed for long-term structural stability in ethylene pyrolysis, steam/hydrocarbon reforming, and annealing furnaces.

Ni30.0 – 35.0%
Cr19.0 – 23.0%
Fe≥ 39.5%
C0.05 – 0.10%
Al0.15 – 0.60%
Ti0.15 – 0.60%
Mn≤ 1.50%
Si≤ 1.00%
Acid Resistant

Incoloy 825

Nickel-iron-chromium alloy with molybdenum and copper additions for exceptional resistance to sulfuric and phosphoric acids. Ideal for chemical processing, pollution control, and marine applications where both pitting and stress corrosion resistance are required.

Ni38.0 – 46.0%
Cr19.5 – 23.5%
Mo2.5 – 3.5%
Cu1.50 – 3.00%
Ti0.60 – 1.20%
Fe≥ 22.0%
C≤ 0.05%
Mn≤ 1.00%
PH Superalloy

Incoloy A-286

Age-hardenable iron-nickel-chromium superalloy with high strength and excellent oxidation resistance up to 700°C. Critical for aerospace fasteners, gas turbine components, and high-temperature springs requiring fatigue resistance.

Ni24.0 – 27.0%
Cr13.5 – 16.0%
Fe49.1 – 56.0%
Ti1.90 – 2.35%
Mo1.0 – 1.5%
V0.10 – 0.50%
Mn≤ 2.00%
C≤ 0.08%

More Choices

Incoloy 800HT
Ni 30.0–35.0%Cr 19.0–23.0% Fe ≥ 39.5%C 0.06–0.10% Al+Ti 0.85–1.20%Mn ≤ 1.50% Si ≤ 1.00%Grain Size 5+
Incoloy 803
Ni 32.0–37.0%Cr 25.0–29.0% Fe BalanceC 0.06–0.10% Mn ≤ 1.50%Si ≤ 1.00% S ≤ 0.015%Ethylene
Incoloy 832
Ni 30.0–35.0%Cr 19.0–23.0% Fe BalanceMo 2.5–3.5% Cu 1.5–3.0%Ti 0.6–1.2% Al ≤ 0.2%Corrosion
Incoloy 864
Ni 34.0–38.0%Cr 23.0–26.0% Fe BalanceMo 2.0–3.0% Mn ≤ 1.00%Si ≤ 0.80% C ≤ 0.05%High Temperature
Incoloy 890
Ni 38.0–42.0%Cr 23.0–26.0% Fe BalanceMo 1.8–2.5% Mn ≤ 1.50%Si ≤ 1.50% C 0.02–0.08%Carburization
Incoloy 901
C ≤ 0.10%Cr 11-14% Mo 5-6.5%Ti 2.2-2.8%
Incoloy 903
C ≤ 0.05%Ni 36-40% Co 13-17%Nb 2.4-3.5%
Incoloy 909
C ≤ 0.06%Ni 35-40% Co 12-16%Nb 4.3-5.2%

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