Material No.: alloy 601

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

Description

EN symbol (short)NiCr23Fe
Material No.2.4851
UNSN 06601
AFNORN C 23 FeA
Registered work's labelInconel® 601
Density kg/dm38,1
Hardness (HB30)< 220
Compositionmixed crystal alloy
CategoryHeat resistant steels and alloys
Structurecubic-face-centred grid
CorrosionNo translation!
Additional characteristicsGood resistance against carbonization
high resistance to oxidation in high temperature ranges
DescriptionThis nickel-chrome alloy 2.4851 (low aluminium/titanium content) shows good resistance against oxidation and high temperatures
excellent resistance in oxidising sulfuric atmosphere and under carbonisating/nitridating conditions
good resistance against corrosion due to tension

Chemical Composition

 CMnSCrSiAlFeNiCuPCoBTi
alloy 601Min %   21,00 1,00remainder58,00     
Max %0,101,000,01525,000,501,70remainder63,001,00    
2.4851Min %   21,00 1,00 58,00     
Max %0,101,000,01525,000,501,7018,0063,000,500,0201,500,0060,50
(Key to Steel 2010)
N 06601Min %   21,00 1,00remainder58,00     
Max %0,101,500,01525,000,501,70remainder63,001,00    
Reference:
[ ASTM B 167]

Physical properties

PropertyValue
Density: kg/dm38,1
Hardness: (HB30)< 220
Permeability at 20°C/68°F1,01
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)
2048011,3119207
(7,6)
100470
12,712020113,8
300525
(0,125)		16,0
(112)		124
(749)		191
(27,6)		14,6
700630
(0,155)		22,2
(165)		126
(761)		161
(22,5)		16,3
900690
(0,169)		26,1
(190)		128
(775)		138
(18,4)		17,2
1000 /1832
(1093 /2000)		710
(0,176)		27,7
(203)		129
(782)		124
(16,1)		17,7
(10,1)
1100 / 201274029,313001118,3

Mechanical properties (20°C / 68°F)

Yield strength>=205
Yield strength>=235
Tensile strength>=550
Ultimate strain>=30
Impact energy ISO-V 
(average value of 3 samples) 
Remarks 

Temparature information

Application area
Operation temperature ºF  to 1922 ºF max
Solution heat treatment
Working temperature2012 ºF  to 2156 ºF 
Explanation reportcooling by water
Soft annealing
Working temperature1688 ºF  to 1796 ºF 
Explanation reportcooling by water
Solution heat treatment
Working temperature2192 ºF  to 1652 ºF 

Standards / information

StandardsDesciption
DIN 17742 (09/2002)nickel- forgeable alloy with chrome
DIN EN 10095 (05/1999)heat resistant steel and nickel alloy

Process information

Welding
 - Add. materialcovered rod electrode 2.4628

Main fields of application

Details of applicationgood resistance to nitridation and case hardening
Certifications
industral furnace engineeringKörbe; Muffeln; Transportrollen
petrochemical industry
Environmental technologyThermische Entsorgungsanlagen
RohrleitungenAschetransport
Environmental technologyMüllverbrennungsanlagen(Brennkammern)
Environmental technologyTeile in Abgassysteme

Range of products

Product typeProduct
Plates / Sheetsplates/sheets
plate/sheet cuts
Rotating componentsfittings from barsteel
Fittingswelded elbows
welded reductions
Welded T-pieces
seamless elbows
seamless reductions
seamless 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
seamless 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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