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

