Products
Shape Bar
Surface Treatment Polished
Special Use High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
Application Chemical Pressure Vessel
Categories: Alloy Steel Series
Incoloy 800 (Alloy Steel 800)
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Chemical Composition
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Nickel (Ni)
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30 – 35
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Provides corrosion resistance and high-temperature strength
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Chromium (Cr)
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19 – 23
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Forms dense chromium oxide film, enhancing oxidation and corrosion resistance
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Iron (Fe)
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39.5 – 46
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Forms the alloy matrix together with nickel
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Aluminum (Al) + Titanium (Ti)
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≤0.15 – 0.60
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Precipitation strengthening via γ′ phase, improving creep resistance
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Copper (Cu)
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≤0.75
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Optimizes adaptability in specific corrosive environments
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Carbon (C)
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≤0.10
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–
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Silicon (Si)
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≤1.0
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–
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Manganese (Mn)
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≤1.5
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–
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Sulfur (S)
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≤0.015
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–
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Phosphorus (P)
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≤0.015
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–
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Mechanical Properties
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Room Temperature
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Tensile strength ≥ 172 MPa; Yield strength ≥ 415 MPa; Elongation ≥ 30%; Impact toughness ≥ 98 J
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High Temperature
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Oxidation resistance temperature up to 815℃, maintaining high strength and toughness
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Creep Properties
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For nuclear-grade 800HT, carbon content ≥ 0.05% is required to enhance creep resistance
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Typical Applications
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1.Petrochemical: High-temperature heat exchangers, cracking furnace tubes
2.Nuclear Energy: Nuclear fuel processing equipment, high-temperature components in nuclear systems 3.Aerospace: High-temperature gas pipelines, heat treatment equipment 4.Others: Structural parts in corrosive and high-temperature environments |
%
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Fe
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Ni
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Cr
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C
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Si
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Mn
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P
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S
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Ti
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min
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balance
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24
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13.5
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1.9
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max
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27
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16
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0.08
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1
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2
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0.04
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0.03
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2.35
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Element
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Inconel N06230
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Inconel 601
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Inconel 783
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Inconel 706
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Inconel 625
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Inconel 939
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Ni
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47.49–65.19
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58–63
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26–30
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39–44
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58–
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Bal.
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Cr
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20–24
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21–25
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2.5–3.5
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14.5–17.5
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20–23
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20–23
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W
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13–15
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0–3
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Co
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0–5
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Rest
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0–1
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0–1
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18–20
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Fe
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1–3
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balance
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24–27
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0–38
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0–5
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0–0.5
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Mo
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3
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8–10
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Mn
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0.3–1
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0–1
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0–0.5
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0–0.35
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0–0.5
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0–0.5
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Si
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0.25–0.75
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0–0.5
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0–0.4
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0–0.35
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0–0.5
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0–0.5
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Al
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0.2–0.5
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0–1.7
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5–6
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0–0.06
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0–0.4
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0–2
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C
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0.05–0.15
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0–0.1
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0–0.03
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0–0.3
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0–0.1
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0–0.15
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P
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0–0.015
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0–0.015
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0–0.015
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0–0.015
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0–0.002
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S
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0–0.015
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0–0.015
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0–0.015
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0–0.002
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B
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0.005–0.05
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0–0.012
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0–0.006
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0–0.015
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La
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0–0.005
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Cu
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0–1
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0–0.5
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0–0.35
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Nb
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2.5–3.5
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2.5–3.3
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3.15–4.15
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0–1.2
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Ta
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0–2
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Ti
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0–0.03
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0–0.02
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0–0.4
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0–4
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Zr
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0–0.15
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CN3MN
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Grade / Standard
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Description
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Typical Applications
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Key Features
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J93254
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Direct equivalent to CN3MN, high corrosion-resistant stainless steel
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Chemical pressure vessels, heat exchangers
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Excellent corrosion resistance, mechanical properties superior to 904L
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CK3MCuN
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Derivative grade similar to CN3MN, enhanced pitting resistance
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Halide-containing environments, chemical equipment
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Excellent pitting and crevice corrosion resistance
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ASTM CN3MN
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ASTM-standardized grade
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Wear-resistant steel plates, industrial materials
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Meets ASTM specifications, durable in industrial applications
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