Basic Info.

Model NO.

Ohmalloy123

Model NO.

Ohmalloy123

Product Desciption

(Common Name:0Cr21Al4)

OhmAlloy123 is a iron-chromium-aluminium alloy (FeCrAl alloy) characterized by moderate resistivity and good oxidation resistance.It is suitable for use at temperatures up to 1100°C.

Typical applications for OhmAlloy123 are used as elements in home appliances,melting and industrial furnace.

Normal composition%

C	P	S	Mn	Si	Cr	Ni	Al	Fe	Other
Max
0.12	0.025	0.025	0.70	Max 1.0	18.0~21.0	Max 0.60	3.0~4.2	Bal.	-

 

Typical Mechanical properties(1.0mm)

Yield strength	Tensile Strength	Elongation
Mpa	Mpa	%
550	750	16

 

Typical Physical properties

Density (g/cm3)	7.35
Electrical resistivity at 20ºC(Ωmm2/m)	1.23
Conductivity coefficient at 20ºC (WmK)	13

 

Coefficient of thermal expansion
Temperature	Coefficient of Thermal Expansion x10-6/ºC
20 ºC- 1000ºC	13.5

Specific heat capacity
Temperature	20ºC
J/gK	0.49

 

Melting point (ºC)	1500
Max continuous operating temperature in air (ºC)	1100
Magnetic properties	non-magnetic

Temperature Factor of Electrical Resistivity

20ºC	100ºC	200ºC	300ºC	400ºC	500ºC	600ºC	700ºC	800ºC	900ºC	1000ºC	1100ºC	1200ºC	1300ºC
1	1.005	1.014	1.028	1.044	1.064	1.090	1.120	1.132	1.142	1.150	-	-	-

Style of supply

Alloys Name	Type	Dimension
OhmAlloy125W	Wire	D=0.03mm~8mm
OhmAlloy125R	Ribbon	W=0.4~40	T=0.03~2.9mm
OhmAlloy125S	Strip	W=8~250mm	T=0.1~3.0
OhmAlloy125F	Foil	W=6~120mm	T=0.003~0.1
OhmAlloy125B	Bar	Dia=8~100mm	L=50~1000