Material No.: 2.4819

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

Description

EN symbol (short)NiCr16Mo15W
UNSN 10276
AFNORNC17D
Registered work's labelNicrofer® 5716HMoW
Hastelloy® C-276
Density kg/dm38,9
Hardness HBW<=240
CompositionNickel Chrome alloy
CategoryHeat resistant steels and alloys
Highly corrosion resistant alloys
Structure
Corrosionhigh resistance to pitting corrosion, tensile corrosion, crevice corrosion
Description2.4819 is a nickel chrome molybdenum alloy with wolfram addition and extremely low C and Si content.
It's resistance to corrosion is excellent even in application areas with corrosive media and under oxidising/reducing conditions, e.g. concentrated solutions of oxidising salts (FeIII / CuCl), wet chlorine and chloride solutions.

Chemical Composition

 CMnSiPSMoCoCrFeNiWVCu
2.4819Min %     15,00 14,504,00balance3,00  
Max %0,0101,000,080,0200,01517,002,5016,507,00balance4,500,350,50
(Key to Steel 2010)
N 10276Min %     15,00 14,504,00balance3,00  
Max %0,021,000,080,0300,03017,002,5016,507,00balance4,500,35 
ASTM B 622

Physical properties

PropertyValue
Density: kg/dm38,9
Hardness: HBW<=240
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)
0 10,2 209 
20/68407 (0,097)10.6 (73)125 (752)208 (30,2) 
100/21243012,012720411,7
300/572
316/600		474
-- -/0,113		15,4
---/108		129
---/776		195
---/28,0		12,8
---/7,1
500/932
538/1000		503
---/0,121		18,7
---/134		129
---/776		182
---/26,0		13,5
---/7,6
700/1292
76071400		527
---/0,127		22,6
---/164		128
---/764		168
---/23,5		14,7
---/8,4
900/1652
982/1800		545
---/0,131		26,2
---/191		126
---/755		151
---/21,0		16,0
---/9,1
1000/183255128125,514316,5

Mechanical properties (20°C / 68°F)

Yield strength (RP 0,2)--N/mm2
plate <= 5mm)		>=280
Yield Strength (RP 1,0)--N/mm2
(plate<=5mm)		>=300
Tensile Strength (Rm)-N/mm2
(plate<=5mm)		>=690
Breaking elongation a5-5)>=40
ISO-V notch impact resistance 68°F
längs (J/cm2)
quer (J/cm2)
>= 120
>= 90
Remarks 

Temparature information

Solution heat treatment
Working temperature2012 ºF  to 2120 ºF 
Explanation reportfast cooling with water (mind sensitivity between 2000°F-1112°F, pass through in 2 min)
Solution heat treatment
Working temperature2192 ºF  to 1742 ºF 
Explanation reportfast cooling withwater (mind sensitivity between 2000°F-1112°F, pass through in 2 min)

Standards / information

StandardsDesciption
ASTM B 564-06Standard Specification for Nickel Alloy Forging
ASTM B 574Standard Specification for LOW-Carbon Nickel-Molybdenum Alloy Rod
ASTM B 575Standard Specification for Plate, Sheet and Strip
ASTM B 619Standard Spezifikation for Welded Nickel and Alloy Pipe
ASTM B 622Standard Specification for Seamless Nickel and Nickel-Cobalt Alloy Pipe and Tube
ASTM B 626Standard Specification for Welded Nickel and Nickel-Cobalt Alloy Tube
DIN 17744 (2002/09)nickel-forgeable alloy with molybdenum and chrome
VdTÜV / Werkstoffblatt 400extremely corrosion resistant alloy NiMo 16Cr15W, material-nr. 2.4819 sheet metal, ribbon, forging, rod, pipe

Process information

Cold forminghigh tendency to cold-work hardening, process component in solution annealed state
Chip removing processslow cutting rate, due to tendency to cold-work hardening
Welding
 - Material classification acc. CEN ISO/TR 1560844
 - Typeplasma welding
manual arc welding
MIG/MAG
 - Add. materialW.nr 2.4607; covered welding rod electrode W.nr. 2.4609

Main fields of application

Details of applicationThis material 2.4819 is mainly used in the petrochemical- and chemical industry (used for catalytic converters, components in
chloride containing organic processes).
In procecces where hot contaminated mineralic acids and seawater appear.
Usage also in cellulose industry and in flue gas desulfurization sites.
CertificationsNACE Mr 01-75
cellulose/paper industry
Sauergasanwendungendiv .Einrichtungen und Komponenten
PhosphorssäureVerarbeitung und Herstellung verunreinigter
Power engineering

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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