Alloy 45
Alloy 45
Alloy 45
Model No: Alloy 45

Alloy 45

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Alloy 45 Description:

2.4889 (alloy 45 TM) is chiefly used in high-temperature applications with extremely corrosive media.
With a relatively constant rate of thermal expansion to about 800°F (538°C), low expansion 45 Alloy has been used in thermostats, and its thermal expansion is similar to some alumina ceramics. High permeability 45 Alloy is a 45% nickel-iron alloy capable of exhibiting a high initial permeability and has been used predominantly in the telecommunications industry. National Electronic Alloys does not sell the High Permeability version of 45 Alloy.
Alloy 45 Chemical Composition:

Alloy 45 Physical properties:

C
≤ %		Si
%		Mn
≤ %		P
≤ %		S*
≤ %		Cr
%		Mo
%		Ni
%		V
%
0,05-0,122,5-3,01,00,020,01126,0-29,045,0 min.
Nb
%		Ti
%		Al
≤ %		Co
%		Cu
≤ %		N
%		Fe
%		Ce
%		Y
%
0,20,321,0-25,00,03-0,08

Alloy 45 Physical properties:

PropertyValue
Density: kg/dm38,0
Hardness: HB<=220
Permeabilität bei 20°Cmax.1,003
 
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)
20/68500 (0,12)10,8 (75)118 (710)193 (28,0)
100/21212,1 (84)12018713,0
300/572
316/600		15,4 (107)126
(761)		171
(24,8)		14,9
(8,3)
500/932
538/1000		18,6 (129)128
(778)		154 (22,3)15,7
(8,8)
800/1472
871/1600		23,3 (162)134
(815)		122
(16,1)		17,0
(9,6)
900/1652
982/1800		24,8 (172)136
(824)		108 (14,2)17,3(9,3)
1000/1832540 (0,13)26,4 (183)1379617,8
 

Alloy 45 Application:

  • Oil ash corrosion
  • Incineration gases
  • Sulfur dioxide
  • Caustic solution corrosion