Material No.: 2.4633

DescriptionChemical
composition		Physical
mechanical
properties		Temparature
information		StandardsProcess
information		Application
Certification		ProductsAll

Description

EN symbol (short)NiCr25FeAlY
Alloy 602 CA
UNSN 06025
Registered work's labelNicrofer® 6025H/HT
Density lb/in.30,285
Hardness
CompositionNickel Chrome Iron alloy with Aluminium addition
superalloy
Categoryhigh-temperature resisting steels and alloys
Structureaustenitic
cubic-face-centred grid
DescriptionHighly heat resisting nickel chrome iron alloy.
Application areas include chemical industry, environment technology, flue gas desulfurizing plants etc.

Chemical Composition

 CMnPSCrSiAlFeNiCuTiYZr
2.4633Min %0,15   24,00 1,808,00balance 0,100,0500,010
Max %0,250,500,0200,01026,000,502,4011,00balance0,100,200,1200,100
(Key to Steel 2010)
alloy 602 CA
N 06025		Min %0,15   24,00 1,808,00remainder 0,100,0500,010
Max %0,250,150,0200,01026,000,502,4011,00remainder0,100,200,1200,100
ASTM B167

Physical properties

PropertyValue
Density: lb/in.30,285
Permeability at 20°C/68°F<.1,01
Temperature T
°C/F
(°C/F)		Specific heat
J / kgK
(Btu / lb °F)		Thermal conductivity
W/mK
(Btu·in / ft2·h·°F)		Electric resistance
µΩ · cm
(Ω circ mill / ft)		Modulus of elasticity
kN/mm2
(103 ksi)		Expansion rate from 70°F bis T
10-6 / K
(10-6 / °F)
20 / 68
(93 / 200)		450 (0,107)
(0,112)		11,3 (78)
(87)		118 (710)
(716)		215 (31,2)
(30,3)
(6,6)
200 / 392
(204 / 400)		500
(0,119)		14,4
(100)		121
(728)		201
(29,1)		11,9
(13,5)
400 / 752
(427 / 800)		550
(0,133)		17,6
(126)		125
(755)		192
(27,7)		14,5
(8,1)
600 /1112
(649 / 1200)		600
(0,148)		20,6
(148)		128
(773)		18
(26,7)		14,9
(8,5)
800 / 1472
(871 / 1600)		660
(0,162)		24,5
(178)		128
(767)		154
(20,4)		16,6
(9,5)
1000 /1832
(1093 / 2000)		710
0,176)		27,7
(203)		128
(782)		118
(14,9)		17,5
(9,8)
1100 /201274029,313010217,6

Mechanical properties (20°C / 68°F)

Yield strength310
Yield strength (0,2% offset) min ksi (MPA)39 (270)
Tensile strength min.ksi98
Elongation in 2 in.(%)30
Notched impact strength ISO-V Rm -längs (J/cm2)>= 69
Remarks 

Temparature information

Application area
Operation temperature10 ºF  to 2192 ºF 
Solution heat treatment
Working temperature2156 ºF  to 2228 ºF 
Solution heat treatment
Working temperature2192 ºF  to 1652 ºF 

Standards / information

StandardsDesciption
ASTM B 166Standard Specification for Nickel-Chromium-Cobald-Molybdenium Alloy rods,bars and wires
ASTM B 167 Standard Specification for .... NI-Cr-Fe-alloy seamles pipes and tubes
ASTM B 366Standard Specification for Factory-Made Wrought nickel and nickel alloy fittings
ASTM B 516Standard Specification for Welded Nickel-Chromium-Iron Alloy Tubes
ASTM B 564-06Standard Specification for Nickel Alloy Forging
DIN 17742 (09/2002)nickel- forgeable alloy with chrome
DIN 17750 (2002/09)ribbons and sheet metal out of nickel with nickel-wrought alloy properties
DIN 17752 (2002/09)rod made from nickel with nickel-wrought alloy properties
DIN EN 10088-1 (09/2005)Stainless steels Part 1: List of stainless steels
DIN EN 10302 (06/2008)heat-resisting steel nickel-cobalt alloy

Process information

Cold formingmind cold work hardening; elaborate forming requires intermittent annealing
Chip removing processprocessing preferably in annealed state; mind cold work hardening
Welding
 - TypeWIG
plasma welding
MIG/MAG
manual electric welding
 - Add. material2.4649, covered electrode similar steel
 - HintsNo translation!
No translation!

Main fields of application

Details of applicationArea of application up to 1200°C/2192°F, also under extreme conditions such as cyclic heating and cooling.
CertificationsLicense for pressure containers operated between 14°F to 2100°F
Chemische IndustrieWasserstoffproduktion
Flue gas desulphurisation plants
waste incineration plants
industral furnace engineeringOfenteile; Ofenrollen
industral furnace engineeringexhaust systems

Range of products

Product typeProduct
Plates / Sheetsplates/sheets
plate/sheet cuts
Rotating componentsfittings from barsteel
Fittingswelded elbows
welded reductions
Welded T-pieces
Flanges / Collars / Flared tube endsflared tube end
collars
various flanges (weld neck flange,blind flange etc.)
Pipes / Tubeswelded pipes/tubes
welded square pipes/tubes
Bar steelflat steel
section steel
round bar steel
hexagon steel

Liability exclusion

All aforementioned specifications serve as a general orientation and have to be reviewed depending on the conditions of use.
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