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  • Inconel 625 wire mesh

  • Detailed Description

  • Inconel 625 is a nickel-based super alloy that possesses excellent resistance to oxidation and corrosion in a broad range of environments. Additionally this alloy has outstanding strength and toughness at temperatures ranging from cryogenic to 2000°F. This alloy possesses a high degree of formability and shows better weldability than many other highly alloyed nickel based materials.

    Chemical Composition of Inconel 625

    Typical chemical analysis of Inconel 625.

    Element
    Percentage
    Carbon
    0.010 max
    Manganese
    0.50 max
    Phosphorus
    0.015 max
    Sulfur
    0.015 max
    Silicon
    0.50 max
    Chromium
    20.00 - 23.00
    Nickel
    Balance
    Molybdenum
    8.00 - 10.00
    Iron
    5.00 max
    Titanium
    0.40 max
    Aluminum
    0.40 max
    Tantalum
    0.05 max

    Resistance to Corrosion and Oxidation of Inconel 625

    The high level of chromium and molybdenum in Inconel 625 alloy provides a high level of pitting and crevice corrosion resistance to chloride contaminated media, such as sea water, neutral salts and brines.

    Physical Properties of Inconel 625

    • Density: 0.303 lb/in3 (8.44 g/cm3)
    • Specific Gravity: 8.44
    • Melting Range: 2350 - 2460°F (1280 - 1350°C)
    • Specific Heat: 0.098 Btu/lb x °F (410 Joules/kg x °K)
    • Magnetic Permeability (75°F, 200 oersted): 1.0006

    Thermal Conductivity of Inconel 625

    Thermal conductivity data as a function of temperature for Inconel 625 is provided in the follwoing table.

    Temperature Range

    Linear Coefficients of Thermal Expansion1
    x 10-6
    Thermal Conductivity2 3
    °C
    °F
    /°C
    /°F
    W/m·K
    Btu/(hr/ft²/in/°F)
    -157
    -250
    -
    -
    7.3
    4.2
    -129
    -200
    -
    -
    7.4
    4.3
    -73
    -100
    -
    -
    8.3
    4.8
    -18
    0
    -
    -
    9.2
    5.3
    21
    70
    -
    -
    9.9
    5.7
    38
    100
    -
    -
    10.0
    5.8
    93
    200
    12.8
    7.1
    10.7
    6.3
    204
    400
    13.1
    7.3
    12.6
    7.3
    316
    600
    13.3
    7.4
    14.2
    8.2
    427
    800
    13.7
    7.6
    15.7
    9.1
    538
    1000
    14.0
    7.8
    17.5
    10.1
    649
    1200
    14.8
    8.2
    19.0
    11.0
    760
    1400
    15.3
    8.5
    20.8
    12.0
    871
    1600
    15.8
    8.8
    22.8
    13.2
    927
    1700
    16.2
    9.0
    -
    -
    982
    1800
    -
    -
    25.3
    14.6

    1. Average coefficient from 70°F (21°C) to temperature shown
    2. Measurements made at Battelle Memorial Institute
    3. Material annealed 2100°F (1149°C)

    Electrical Resistivity of Inconel 625

    Electrical resistance data for Inconel 625 is given below.

    Temperature
    microhm-cm
    °C
    °F
    21
    70
    128.9
    38
    100
    129.6
    93
    200
    131.9
    204
    400
    133.9
    316
    600
    134.9
    427
    800
    135.9
    538
    1000
    137.9
    649
    1200
    137.9
    760
    1400
    136.9
    871
    1600
    135.9
    982
    1800
    134.9
    1093
    2000
    133.9

    Mechanical Properties of Inconel 625

    Typical room temperature tensile properties of Inconel 625 annealed at 1920°F (1065°C) follow.

    Temperature
    0.2% Yield Strength
    Ultimate Tensile Strength
    Elongation Percent
    °F
    °C
    psi
    MPa
    psi
    MPa
    1920
    1065
    63,000
    430
    136,000
    940
    51.5

    Standards

    United Performance Metals Inconel 625 is supplied to AMS 5599 and UNS Designation N06625.

    Applications of Inconel 625

    Inconel 625 is typically used for:

    • Jet engine
    • Chemical processing equipment
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