Alloy 602CA / 2.4633

Alternative and trade names
Alloy 602CA,Nicrofer® 6025 HT
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Description

2.4633 is a high carbon chromium-iron-nickel alloy which also contains additives of microalloy elements titanium, zirconium and aluminum, and yttrium. Alloy 602CA is characterized by:


  • excellent fatigue resistance in the HCF and LCF mode
  • excellent high temperature creep properties
  • extraordinary oxidation resistance at high temperatures and under cyclic conditions.

  • Equivalent Materials

    This material data has been provided by Hempel Special Metals.

    All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
    Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

    Ashby charts

    Properties

    General

    PropertyTemperatureValue

    Density

    23.0 °C

    7.9 g/cm³

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    Mechanical

    PropertyTemperatureValue

    Impact strength, Charpy notched

    23.0 °C

    690 kJ/m²

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    Chemical properties

    PropertyValueComment

    Aluminium

    1.8 - 2.4 %

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    Carbon

    0.15 - 0.25 %

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    Chromium

    24 - 26 %

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    Copper

    0.1 %

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    max.

    Iron

    8 - 11 %

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    Manganese

    0.5 %

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    max.

    Nickel

    Balance

    Phosphorus

    0.02 %

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    max.

    Silicon

    0.5 %

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    max.

    Sulfur

    0.01 %

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    max.

    Titanium

    0.1 - 0.2 %

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    Ytterbium

    0.05 - 0.12 %

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    Zirconium

    0.01 %

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    Technological properties

    Property
    Application areas

    Alloy 602 is versatile. Typical applications of Alloy 602CA are, i.e.:


  • Rotary kiln and shaft
  • Furnace rollers / Oven Parts
  • Nozzles
  • Pipe supports
  • Components in the exhaust gas purifying catalyst of automobiles
  • Reformers in the chemical and petrochemical industry
  • Hydrogen production
  • Heater plugs

  • Welding

    Alloy 602CA can be welded using 2.4649 and DIN EN ISO 18274: S Ni 6025 as filler metal


    Covered electrodes:

  • DIN EN ISO 1412: E Ni 6025
  • UNS W86025
  • AWS A5.11: ENiCrFe-12