Bright Surface Nichrome Resistance Wire High Temperature Ni70Cr30

Price Negotiable

Price: negotiable

MOQ: 5KG

Delivery Time: 7-10 days

Brand: OHMALLOY

Product Description

OhmAlloy118
(Common Name: Ni70Cr30, Nikrothal 70, N7, HAI-NiCr 70, Chromel 70/30, Resistohm 70, Balco,Tophet 30,Cronix 70,Alloy 710,Stablohm 710)

OhmAlloy118 is a nickel-chromium alloy (NiCr alloy) characterized byHigh resistivity, good oxidation resistance,very good form stability,good ductility and excellent weldability. It is suitable for use at temperatures up to 1250°C.

Typical applications for OhmAlloy118 are used in electrical heating elements in industrial furnace,and well suited for reducing atmospheres.

Normal composition%

C	P	S	Mn	Si	Cr	Ni	Al	Fe	Other
Max
0.05	0.02	0.015	0.60	0.75~1.60	28.0~31.0	Bal.	Max 0.50	Max 1.0	-

Typical Mechanical properties(1.0mm)

Yield strength	Tensile Strength	Elongation
Mpa	Mpa	%
430	820	30

Typical Physical properties

Density (g/cm³)	8.2
Electrical resistivity at 20℃(Ωmm²/m)	1.18
Conductivity coefficient at 20℃ (WmK)	14

Coefficient of thermal expansion
Temperature	Coefficient of Thermal Expansion x10-6/℃
20 ℃- 1000℃	17

Specific heat capacity
Temperature	20℃
J/gK	0.46

Melting point (℃)	1380
Max continuous operating temperature in air (℃)	1250
Magnetic properties	non-magnetic

Temperature Factors Of Electrical Resistivity

20℃	100℃	200℃	300℃	400℃	500℃	600℃
1	1.007	1.016	1.028	1.038	1.044	1.036
700℃	800℃	900℃	1000℃	1100℃	1200℃	1300℃
1.03	1.028	1.029	1.033	1.037	1.043	-

Style of supply

Alloys Name	Type	Dimension
OhmAlloy118W	Wire	D=0.03mm~8mm
OhmAlloy118R	Ribbon	W=0.4~40	T=0.03~2.9mm
OhmAlloy118S	Strip	W=8~250mm	T=0.1~3.0
OhmAlloy118F	Foil	W=6~120mm	T=0.003~0.1
OhmAlloy118B	Bar	Dia=8~100mm	L=50~1000