0Cr25Al5 (W.Nr. 1.4765) | HB SPEICAL ALLOY

0Cr25Al5HB Special Alloy2021-12-24T15:40:33+08:00

0Cr25Al5 (W.Nr. 1.4765) is an iron-chromium-aluminium alloy for use at temperatures up to 1250℃.

Equivalent Grades

Trademark	GB	GOST	ASTM	UNS	DIN	W.Nr.	NF	BS	JIS	SS
Kanthal A Resistohm 145	0Cr25Al5	–	ⅡA	–	CrAl25 5	1.4765	–	–	FCHW 1 FCHRW1	–

Chemical Composition, %

Alloy	C	Si	Mn	P	S	Cr	Ni	Al	Fe
0Cr25Al5	≤0.06	≤0.60	≤0.50	≤0.025	≤0.020	23.0-26.0	≤0.60	4.5-6.5	Bal

Mechanical Properties (RT, Annealed)

Tensile Strength, Rm/MPa	Elongation, A/%
Tensile Strength, Rm/MPa	Dia. >3.00mm (Wire) Thk. >0.20mm (Strip)	Dia. 0.10-3.00mm (Wire) Thk. ≤0.20mm (Strip)
≥600	≥15	≥12

Physical Properties

Max Working Temp., ℃	Melting Point, ℃	Density, g/cm3	Resistivity, μΩ·m 20℃	Specific Heat, J/(g•K)	Thermal Conductivity, W/(m•K) 20℃	Average Coefficient of Thermal Expansion,α×10-6/℃ 20-1000℃	Micrographic Structure	Magnetic Properties
1300	1500	7.25	1.42	0.46	13	15.0	Ferrite	Magnetic

Life Test

Test Temperature, ℃	Continuous Service Time Hours, ℃
1300	≥80

Temperature Factor of Resistivity

20℃	100℃	200℃	300℃	400℃	500℃	600℃	700℃	800℃	900℃	1000℃	1100℃	1200℃	1300℃
1.000	1.002	1.005	1.008	1.013	1.021	1.030	1.038	1.040	1.042	1.044	1.046	1.047	–

Available Products and Specifications

Rod, Bar, Wire and Forgings	GB/T 1234-2012, ASTM B603-01, DIN 17470-1984, JIS C2520-1999
Plate, Sheet and Strip	GB/T 1234-2012, ASTM B603-01, DIN 17470-1984, JIS C2520-1999
Pipe and Tube	–
Welding Product	–
Others	–

Features

High resistivity
Low temperature coeffcient of electric resistance
High operating temperature up to 1300℃
Good oxidation resistance under high temperature

Applications

0Cr25Al5 is used in home appliances and industrial furnaces.

Metal sheathed tubular elements for dishwashers
Elements embeded in ceramics for panel heaters
Cartridge elements in metal dies
Heating cables and rope heaters in defrosting and deicing elements
Mica elements used in irons
Quartz tube heaters for space heating
Industrial infrared dryers
Coils on molded ceramic fibre for boiling plates with ceramic hobs
Bead insulated coils for panel heaters
Suspended coil elements for air heaters in laundry dryers
Terminals to furnace elements
Porcupine elements for air heating
Furnace heating elements