Nichrome 80 (UNS N06003 / W.Nr. 2.4869)

Nichrome 80 (UNS N06003 / W.Nr. 2.4869) is a nickel-chromium resistance alloy for operating temperatures up to 1200℃. It has highly corrosion resistance and lower coefficient of resistance than other heater element alloys. Nichrome 80 is the most ideal resistance heating alloy.

Equivalent Grades

Trademark	GB	GOST	ASTM	UNS	DIN	W.Nr.	NF	BS	JIS	SS
Nikrothal 80 Resistohm 80	Cr20Ni80	Х20Н80 Х20Н80-Н	80Ni-20Cr	N06003	NiCr80 20	2.4869	–	–	NCHW1 NCHRW1	–

Chemical Composition, %

Alloy	C	Si	Mn	P	S	Cr	Ni	Al	Fe
Nichrome 80	≤0.08	0.75-1.60	≤0.60	≤0.020	≤0.015	20.0-23.0	Bal	≤0.50	≤1.00

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)
≥650	≥25	≥20

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
1200	1400	8.4	1.09	0.46	15	18.0	Austenitie	Non-Magnetic

Life Test

Test Temperature, ℃	Continuous Service Time Hours, ℃
1200	≥80

Temperature Factor of Resistivity

20℃	100℃	200℃	300℃	400℃	500℃	600℃	700℃	800℃	900℃	1000℃	1100℃	1200℃	1300℃
1.000	1.006	1.012	1.018	1.025	1.026	1.018	1.010	1.008	1.010	1.014	1.021	1.025	–

Available Products and Specifications

Rod, Bar, Wire and Forgings	GB/T 1234-2012, ASTM B344-01, DIN 17470-1984, GOST 12766.1-1990, GOST 12766.3-1990, GOST 12766.4-1990, GOST 12766.5-1990, JIS C2520-1999,
Plate, Sheet and Strip	GB/T 1234-2012, ASTM B344-01, DIN 17470-1984, GOST 12766.2-1990, JIS C2520-1999
Pipe and Tube	–
Welding Product	–
Others	GOST 10994