45swg Nichrome Alloy Ni80cr20 Wire for Tiny Resistors

• Customization: Available
• Material: Nicr
• Type: Wire
• Model NO.: Ni80Cr20
• Surface Treatment: Polishing
• Metal Wire Drawing: Cold Drawing
• Status: Soft State
• Product Name: 45swg Nichrome Alloy Ni80cr20 Wire for Tiny Resist
• Condition: Bright, Annealed
• Special Use: for Tiny Resistors
• Composition: 80%Nickel, 20%Chromium
• Brand: Ualloy
• Transport Package: in Coils, Paper or Woven Bags, Woodencase
• Specification: GB/T 1234-12
• Trademark: Ualloy
• Origin: China
• HS Code: 75052200
• Production Capacity: 500tons/Year

Product Description

45SWG Nichrome alloy Ni80Cr20 wire for tiny resistors
 

Item name	45swg Nichrome Alloy Ni80cr20 Wire for Tiny Resistors
Conductor	Ni80Cr20
Item No	2080W007B
Condition	Bright,soft
Dimension	45SWG(0.07mm)
Resistance Value	283.4ohm/m+/-5%
Density	8.4g/cm3
Length	30950m/kg
Weight	0.5kgs/Spool
Package	DIN70
Standard	GB/T 1234-2012

(Common Name:Ni80Cr20,Nikrothal 8,MWS-650,NiCrA,Tophet A,HAI-NiCr 80,Chromel A,Alloy A,Alloy 650,N8,Resistohm 80, Stablohm 650,Nichorme V,Nikrothal 80.)
 
Ni80Cr20 is a nickel-chromium alloy (NiCr alloy) characterized by high resistivity, good oxidation resistance and very good form stability. It is suitable for use at temperatures up to 1200°C,and hold a superior service life compared to Iron chromium alumium alloys.
Typical applications for Ni80Cr20 are electric heating elements in home appliances,industrial furnaces and resistors(wirewound resistors,metal film resistors), flat irons, ironing machines, water heaters, plastic moulding dies, soldering irons, metal sheathed tubular elements and cartridge elements,electronic cigarettes,fuse wire,medicine

Normal composition%

C	P	S	Mn	Si	Cr	Ni	Al	Fe	Other
Max
0.03	0.02	0.015	0.60	0.75~1.60	20.0~23.0	Bal.	Max 0.50	Max 1.0	-

 

Typical Mechanical properties(1.0mm)

Yield strength	Tensile Strength	Elongation
Mpa	Mpa	%
420	810	30

 

Typical Physical properties

Density (g/cm3)	8.4
Electrical resistivity at 20ºC(mm2/m)	1.09
Conductivity coefficient at 20ºC (WmK)	15

 

Coefficient of thermal expansion
Temperature	Coefficient of Thermal Expansion x10-6/ºC
20 ºC- 1000ºC	18

 
 

Specific heat capacity
Temperature	20ºC
J/gK	0.46

 

Melting point (ºC)	1400
Max continuous operating temperature in air (ºC)	1200
Magnetic properties	non-magnetic

 

Temperature Factors Of Electrical Resistivity
20ºC	100ºC	200ºC	300ºC	400ºC	600ºC
1	1.006	1.012	1.018	1.025	1.018
700ºC	800ºC	900ºC	1000ºC	1100ºC	1300ºC
1.01	1.008	1.01	1.014	1.021	-

 
Style of supply

Alloys Name	Type	Dimension
Ni80Cr20W	Wire	D=0.03mm~8mm
Ni80Cr20R	Ribbon	W=0.4~40	T=0.03~2.9mm
Ni80Cr20S	Strip	W=8~250mm	T=0.1~3.0
Ni80Cr20F	Foil	W=6~120mm	T=0.003~0.1
Ni80Cr20B	Bar	Dia=8~100mm	L=50~1000