Material No.: N 07080

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

Description

EN symbol (short)NiCr20TiAl
Material No.2.4952
Alloy 80 A
AFNORNC 20 TA
BSNA 20
Registered work's labelNicrofe® 7520Ti
Density kg/dm38,3
Hardness HB (at 68°F)<=325
CompositionNickel Chrome alloy
superalloy
Categoryhigh-temperature resisting steels and alloys
Structureaustenitic
CorrosionNo translation!
DescriptionNickel chrome alloy 2.4952 shows good resistance to corrosion and oxidation, has high creep / tensile strength up until 1500°F.

Chemical Composition

 CMnSCrSiAlTiFeNiPMoCoCuB
N 07080Min %   18,00 0,501,80 balance     
Max %0,101,000,01521,001,001,802,703,00balance     
ASTM B 637
2.4952Min %0,04  18,00 1,001,80 65,00     
Max %0,101,000,01521,001,001,802,701,50 0,02 1,000,200,008
(Key to Steel 2010)
alloy 80 AMin %   18,00 1,001,80 balance     
Max %0,101,000,01521,001,001,802,703,00balance0,045 2,000,200,008

Physical properties

PropertyValue
Density: kg/dm38,3
Hardness: HB (at 68°F)<=325
Permeability at 20°C/68°F1.0006
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 /68460 (0.110)11,2 (78)12,4 (746)216 (31,3) 
100/212469(0.112)11.6 (80) 212 (30.7)12.7 (7.1)
300/572519 (0.124)16.1 (112) 202 (29,3)13.7 (7.6)
400/752548 (0131)17.8 (123) 196 (28.4)14.1 (7.8)
500/932573 80.137919.4 (135) 189 (27.4)14.4 (8.0)
600/1112599 (0.143)20.8 (144) 179 (26.5)15.0 (8.3
800/1472653 (0.156)24.5 (170) 130 (18.9)16.2 (9.0)
1000/1832703 (0.168)28.4 (197)  18.1 (10.1)
Temp.Creep strain limitCreep strain limitCreep rupture strengthCreep rupture strengthCreep rupture strength
10 000h10 000h100 000 h
°CMPaMPaMPa
500624  582 
550523   416
600398  433272
650   300 
700   186157
750   11475
800   7020

Mechanical properties (20°C / 68°F)

Yield strengthca.725 MPa
Yield strength<=590
Tensile strength<=980MPa
Ultimate strain15%
Impact energy ISO-V 
(average value of 3 samples) 
Remarks 

Temparature information

Application area
Operation temperature-321 ºF  to 1499 ºF Zunderbeständigkeit bis ca1747°F
Solution heat treatment
Working temperature2102 ºF  to 1976 ºF 
Processing informationscooling by water/air
Hardening
Working temperature1940 ºF  to 1976 ºF 
Processing informationscolling by air takes up to 8 hours
Solution heat treatment
Working temperature1976 ºF  to 2102 ºF 

Standards / information

StandardsDesciption
ASTM B 637Standard Specification for Precipitation-Hardening Nickel Alloy Bars,Forgings and forging Stock for High-Temperature Service
DIN 17742 (09/2002)nickel- forgeable alloy with chrome
DIN EN 10088-1 (09/2005)Stainless steels Part 1: List of stainless steels
DIN EN 10302heat-resisting steel nickel-cobalt alloy
DIN EN 10302 (06/2008)heat-resisting steel nickel-cobalt alloy

Process information

Cold forminggood
Welding
 - TypeWIG
resistance welding

Main fields of application

Details of applicationgood hardening properties, good creep strength
Certifications
GasturbinenSchaufeln; Nachbrenner
Auslassventile in Verbrennungsmaschinen
Teile von Druckgießformen
Chemical Industrydiverse Bauteile
Steam boiler constructionDruckturbinen

Range of products

Product typeProduct
Plates / Sheetsplates/sheets
plate/sheet cuts
Bar steelflat 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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