Alloy 602CA / 2.4633

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

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Material Data Sheet

Material Designation	2.4633
Alloy	Alloy 602CA
EN Material Symbol	NiCr25FeAIY
UNS	N 06025
Trademark	Nicrofer® 6025 HT
VdTÜV Data Sheet	540
Norm	DIN EN 10302

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Main fields of application of alloy 602CA

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

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Chemical properties of alloy 602CA

	C	Si	Mn	P	S	Cr
Range	0.15-0.25	0.5	0.5	0.02	0.01	24.0-26.0

	Al	Zr	Ti	Cu	Fe	Y	Ni
Range	1.8-2.4	0.01-0.1	0.1-0.2	0.1	8.11	0.05-0.12	Rest

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Characteristics of alloy 602CA

Characteristics	Details
Temperature Range	High-Temperature Range
Density	7.9 g/cm³
ISO-V notch impact toughness	lengthwise 69 J/cm² at room temperature
	across 56 J/cm² at room temperature

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Filler metal (for welding with alloy 602CA)

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

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Delivery program

Sheets / Plates mm: 2 - 20

Coils mm: 2

Bars / Billets dia. mm: 20 - 35

With short delivery time: plates or sheets, tubes, flanges, forged or die-cut rings and round blanks, elbows, T-fittings, reductions, screws, nuts or washers according to your request.

According to your individual wishes, we are able to cut our material with our plasma- or water jet cutter.

Our material is stocked in superformats of 2000x6000mm. Cut to size on request.