Material No.: N 05500

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

Description

EN symbol (short)NiCu30Al
Material No.2.4375
Alloy K 500
AFNORNU30AT
BSNA 18
Registered work's labelNicorros®Al
Density kg/dm30,307
Hardness HB250
CompositionNickel Copper alloy
CategoryCorrosion resisting steels and alloys
Structure
CorrosionNo translation!
Additional characteristicsthermosetting Nickel Copper alloy
Description2.4375 is a thermosetting nickel copper alloy. It shows good resistance to corrosion stays unmagnetic up to -150°F.

Chemical Composition

 CMnPSCrMoSiAlFeNi CuTiCoNi (incl.Co max1,0)
N 05500Min %       2,302,0063,00rest0,35  
Max %0,251,50 0,010  0,503,15 70,00rest0,85  
ASTM B865
2.4375Min %       2,200,50 27,000,30 63,00
Max %0,201,50 0,015  0,503,502,00 34,001,001,00 
(Key to Steel 2010)
alloy K 500Min %       2,302,0063,00rest0,35  
Max %0,251,50 0,010  0,503,15 75,00rest0,85  
ASTM B865

Physical properties

PropertyValue
Density: kg/dm30,307
Hardness: HB250
Permeability at 20°C/68°F1.0015
non magneticup to -210°F
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)		420| (0,100)
(0,107)		17,4 / 121
(136)		61
(372)		179 / 26
(25,8)
(7,6)
100 / 21245419,462 13,7
200 / 392
(204 / 400)		480|
(0,114)		20,9
(156)		63
(378)		176
(25,5)		14,6
(8,1)
400 / 752
(427 / 800)		500|
(0,120)		27,8
(198)		65
(390)		168
(23,9)		15,2
(8,5)
700 / 1292
(760 / 1400)		567 |
(0,141)		35,7
(262)		66
(400)		15816,6
(9,3)
800 / 1472
( 871 / 1600 )		613
(0,157)		37,4
(282)		67
(408)		 17,0
(9,6)
900 / 165685
41,268 17,5

Mechanical properties (20°C / 68°F)

Yield strength 
Yield strength115
Tensile strength1100
Ultimate strain20
Impact energy ISO-V 
(average value of 3 samples) 
Remarks 

Temparature information

Application area
Operation temperature-202 ºF  to 1202 ºF 
Explanation reporthigh mechanical firmness up to 1202°F
Solution heat treatment
Working temperature1976 ºF  to 2048 ºF 
Explanation reportwater cooling
Stress-relieve anneal
Working temperature572 ºF  to 662 ºF water cooling
Solution heat treatment
Working temperature2102 ºF  to 1652 ºF 
Explanation reportwater cooling above 1470°F, or hardening and fissure will occur
Processing informationsafter hot forming tension reducing annealing (1562°F - 1652°F)

Standards / information

StandardsDesciption
ASTM B 865Standard Specification for Precipitation Hardening Nickel-Copper Aluminium Alloy (UNS 05500) Bar,Rod,Wire,Forging,and Forging
DIN 17443 (09/2002)nickel- forgeable alloy with copper
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

Process information

Cold formingwell mouldable in annealed state, intermittent annealing required for great modulations
Welding
 - Typewell weldable
 - Add. material2.4377; 2.4366
 - Hintsnormal weldability

Main fields of application

Details of applicationhigh durability in sour gas conditions
CertificationsNACE MR 01-75
Chemical Industry
Petrochemie
MeerwasserindustrieBauteile in Meerwasserentsalzungsanlagen
ShipbuildingSchiffsschrauben und -wellen
Sauergasanwendungen

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
round bar 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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