Material No.: 2.4610

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

Description

EN symbol (short)NiMo16Cr16Ti
Alloy C-4
UNSN 06455
Registered work's labelHastelloy®C4
Nicrofer® 6616 hMo
Density lb/in.30,314
Hardness HB<=320
CompositionNickel Chrome Molybdenum alloy
superalloy
CategoryCorrosion resisting steels and alloys
Structureaustenitic
Corrosionhigh corrosion resistance
Description2.4610 (alloy C-4) shows excellent stability against intergranular corrosion, pitting corrosion and stress corrosion as well as reductive mineral acids and chlorides, inorganic and organic chloride-contaminated media.
Material 2.4610 (alloy C-4) is mainly used in inorganic chemistry, fertiliser industry, and with acetic acid.
Our product range in 2.4610 (alloy C-4) are tubes and pipes, fittings and flanges, accessories.

Chemical Composition

 CMnPSCrMoSiCoFeNiCuTi
2.4610Min %    14,0014,00   balance  
Max %0,0151,000,0250,01518,0017,000,082,003,00balance0,500,70
(Key to Steel 2010)
alloy C-4
N 06455		Min %    14,0014,00   remainder  
Max %0,0151,000,0400,03018,0017,000,082,003,00remainder 0,70
ASTM B 622

Physical properties

PropertyValue
Density: lb/in.30,314
Hardness: HB<=320
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)		408 / 0,097
(101)		10,1 (70)
(79)		124 (75)
(75)		211 (30,8)
(30,2)
(6.0)
100 / 21242611,412520710,9
200 /392
(204/400)		448
(0,107)		13,2
(92)		126
( 76)		202
(29,3)		11,9
( 6.6)
300 / 572
(316/600)		465
(0,111)		15,0
(106)		127
(76)		195
(28,3)		12,5
(7.0)
500 / 932
(538 / 1000)		490
(0,118)		18,4
(133)		129
(78)		181
(26,2)		13,2
(7,4)
600/1112
(649/ 1200)		502
(0,121)		20,5
(149)		132
(80)		175
(25)		13.6
(7,7)
700 / 1292
(760/ 1400)		512
(0,124 )		22,6
(152)		135
(82)		168
(23,7)		140
(8.0)
800 / 1432
(871/1600)		52224,8
138158
(22,2)		15.1
(8.7)
  .  .

Mechanical properties (20°C / 68°F)

Yield strength (0,2% offset) min,ksi40-45 (280-310)
Yield strength ,ksi46-49
Tensile strength min.ksi100 (690)
Elongation A 5 (%)40
ISO V Notched impact strength
at -196°C/-320.8°F (J/cm2)		>=120
Remarks 

Temparature information

Application area
Operation temperature-321 ºF  to 842 ºF scaling resistance in air 2012°F
Explanation reportin solution annealed state
Solution heat treatment
Working temperature1922 ºF  to 2012 ºF preferably 2000°F
Explanation reportwater cooling
Processing informationseasy to weld/process when solution annealed, especially good machining properties
Solution heat treatment
Working temperature2156 ºF  to 1652 ºF 
Explanation reportwater or air cooling
Processing informationsfollowing heat treatment to achieve optimal properties is adviced

Standards / information

StandardsDesciption
ASTM B 366Standard Specification for Factory-Made Wrought nickel and nickel alloy fittings
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
DIN 17750 (2002/09)ribbons and sheet metal out of nickel with nickel-wrought alloy properties
DIN 17751 (2002/09)tubes out of nickel with nickel-wrought alloy properties
DIN 17752 (2002/09)rod made from nickel with nickel-wrought alloy properties
DIN 17753 (2002/09)wire out of nickel with nickel-wrought alloy properties
VdTÜV-Werkstoffblatt 424extremely corrosion resistant alloy, NiMo16Cr16Ti, material-nr. 2.4610; ribbon, sheet metal, forging, rod, seamless pipe

Process information

Cold forminggood when annealed, shows tendency to cold work hardening; requires solution annealing after forming larger than 15%
Chip removing process- preferably in annealed state, due to tendency to cold work hardening
- slow cutting velocity and cutting tools in constant contact
Welding
 - Material classification acc. CEN ISO/TR 1560844
 - TypeWIG

Main fields of application

Details of application
Certifications
Chemical IndustryChlorierungsanlagen;; Reaktoren
Environmental technologywaste-to-energy plants
Apparatus engineering
Chemische IndustrieDüngemittelherstellung
Power engineering

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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