Alloy 617 / 2.4663

Alternative and trade names
Nicrofer® 5520 Co
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Description

2.4663 is a nickel-chromium-cobalt-molybdenum alloy with a good weldability, high strength and excellent creep properties. Alloy 617 is also resistant to high-temperature corrosion, oxidation and carburization.

Equivalent Materials

This material data has been provided by Hempel Special Metals.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
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

8.4 g/cm³

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Mechanical

PropertyTemperatureValueComment

Impact strength, Charpy notched

23.0 °C

1500 kJ/m²

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max.

Thermal

PropertyValue

Melting point

1330 - 1380 °C

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Chemical properties

PropertyValueComment

Aluminium

0.6 - 1.5 %

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Boron

6E-3 %

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max.

Carbon

0.05 - 1 %

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Chromium

20 - 23 %

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Cobalt

10 - 13 %

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Copper

0.5 %

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max.

Iron

2 %

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max.

Manganese

0.7 %

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max.

Molybdenum

8 - 10 %

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Phosphorus

0.01 %

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max.

Silicon

0.7 %

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max.

Sulfur

8E-3 %

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max.

Titanium

0.02 - 0.5 %

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Technological properties

Property
Application areas

Alloy 617 is applied at high temperatures. Alloy 617 is used in air heaters, furnace components, beam pipes or high-temperature heat exchangers as well as in gas turbines and combustion chambers.

Welding

Welding Rods:

FM 617- 2.4627


Wire Electrodes:

  • AWS A5.14: ERNiCrCoMo-1
  • DIN EN ISO 18274: S Ni 6617


    Covered Rod Electrodes:

  • 2.4628
  • UNS W86117
  • AWS A5.11: ENiCrCoMo-1
  • DIN EN ISO 14172: E Ni 6617