Products

Hastelloy C-22 Alloy Pipes & Tubes

Short Description:

Hastelloy® C-22 (UNS N06022 / W. Nr. 2.4602) is a nickel-chromium-molybdenum-tungsten alloy pipe and tube, boasting excellent corrosion resistance to both oxidizing and reducing media, ideal for harsh industrial piping systems with superior high-temperature stability and durability.


Product Detail

Product Parameters

Chemical Composition

Physical Properties

Mechanical Properties

Product Parameters

Alloy Name Hastelloy C-22 Alloy
Standards ASTM B626 · ASTM B619 · ASME SB626 · ASME SB619 · DIN EN 10095
Outer Diameter: 6mm – 114mm
Wall Thickness: 0.8mm – 10mm
Width: Up to 2000mm
Length: Custom cut to length, customizable tolerance
Seamless Pipes & Tubes: Seamless structure, OD 6-114mm, for high-pressure corrosive fluid transport
Welded Tubes: Welded forming, precise dimension, cost-effective for non-high-pressure scenarios
Cold Drawn Tubes: Cold-drawn processing, smooth surface, for precision equipment piping
U-bend Tubes: Pre-bent U-shape, for heat exchangers, reducing on-site processing
Polished Tubes: Polished surface, high purity, for semiconductor and medical equipment piping

Chemical Composition

Nickel (Ni) 61.0% min
Molybdenum (Mo) 26.0 – 30.0%
Iron (Fe) ≤ 2.0%
Chromium (Cr) ≤ 1.0%
Cobalt (Co) ≤ 1.0%
Manganese (Mn) ≤ 1.0%
Carbon (C) ≤ 0.02%
Silicon (Si) ≤ 0.1%
Phosphorus (P) ≤ 0.04%
Sulfur (S) ≤ 0.03%

Physical Properties

Density g/cm³ 9.22
Melting Range lb/cu in 0.333
°C 1345 – 1390
°F 2450 – 2530
Modulus of Elasticity GPa 217 (20°C)
ksi 31.5 x 10³ (70°F)
Thermal Expansion (20–538°C) µm/m·°C 11.2
Thermal Conductivity (100°C) W/m·K 10.5

Mechanical Properties

Temperature Yield strength Tensile strength Elongation
Rp 0.2 Rm A
°C °F MPa ksi MPa ksi %
20 68 ≥ 310 ≥ 45 ≥ 793 ≥ 793 ≥ 40

Industries & Applications

Chemical Industry

Valve stems, pump shafts, reactor internals, fasteners and chemical processing equipment components.

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Petroleum Industry

Wellhead equipment, sour service components, valves and bolts exposed to H₂S and corrosive brines.

Energy Industry

Flue gas desulfurization systems, waste acid recovery equipment, and energy-related corrosion-resistant rods.

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Aerospace

High-temperature corrosion-resistant shafts, precision fasteners and aircraft engine components.

Semiconductor Industry

High-purity equipment shafts, precision machined parts for semiconductor manufacturing.

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Medical Industry

Precision medical instrument components, corrosion-resistant rods for medical equipment.


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  • Product Parameters

    Alloy Name Hastelloy C-22 Alloy
    Standards ASTM B626 · ASTM B619 · ASME SB626 · ASME SB619 · DIN EN 10095
    Outer Diameter: 6mm – 114mm
    Wall Thickness: 0.8mm – 10mm
    Width: Up to 2000mm
    Length: Custom cut to length, customizable tolerance
    Seamless Pipes & Tubes: Seamless structure, OD 6-114mm, for high-pressure corrosive fluid transport
    Welded Tubes: Welded forming, precise dimension, cost-effective for non-high-pressure scenarios
    Cold Drawn Tubes: Cold-drawn processing, smooth surface, for precision equipment piping
    U-bend Tubes: Pre-bent U-shape, for heat exchangers, reducing on-site processing
    Polished Tubes: Polished surface, high purity, for semiconductor and medical equipment piping

    Chemical Composition

    Nickel (Ni) 61.0% min
    Molybdenum (Mo) 26.0 – 30.0%
    Iron (Fe) ≤ 2.0%
    Chromium (Cr) ≤ 1.0%
    Cobalt (Co) ≤ 1.0%
    Manganese (Mn) ≤ 1.0%
    Carbon (C) ≤ 0.02%
    Silicon (Si) ≤ 0.1%
    Phosphorus (P) ≤ 0.04%
    Sulfur (S) ≤ 0.03%

    Physical Properties

    Density g/cm³ 9.22
    Melting Range lb/cu in 0.333
    °C 1345 – 1390
    °F 2450 – 2530
    Modulus of Elasticity GPa 217 (20°C)
    ksi 31.5 x 10³ (70°F)
    Thermal Expansion (20–538°C) µm/m·°C 11.2
    Thermal Conductivity (100°C) W/m·K 10.5

    Mechanical Properties

    Temperature Yield strength Tensile strength Elongation
    Rp 0.2 Rm A
    °C °F MPa ksi MPa ksi %
    20 68 ≥ 310 ≥ 45 ≥ 793 ≥ 793 ≥ 40
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