Ni70cr30 Nichrome 70 Resistance Nicr70/30 Flat Wire for Band Heaters

Product Details
Customization: Available
Product Type: Wire
Material: Ni70Cr30
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  • Ni70cr30 Nichrome 70 Resistance Nicr70/30 Flat Wire for Band Heaters
  • Ni70cr30 Nichrome 70 Resistance Nicr70/30 Flat Wire for Band Heaters
  • Ni70cr30 Nichrome 70 Resistance Nicr70/30 Flat Wire for Band Heaters
  • Ni70cr30 Nichrome 70 Resistance Nicr70/30 Flat Wire for Band Heaters
  • Ni70cr30 Nichrome 70 Resistance Nicr70/30 Flat Wire for Band Heaters
  • Ni70cr30 Nichrome 70 Resistance Nicr70/30 Flat Wire for Band Heaters
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Basic Info.

Model NO.
NiCr 70/30
Carbon Content
Low Carbon
PCD
Nichel chrome alloy
ET
Ni70Cr30 wire
Hole
NICr 70/30 wire
Grade
NiCr7030/Ni70Cr30/NiCr 70/30
Surface
Bright NiCr70/30 Strip
craft
Annealing ribbon
Shape
round wire , Ribbon wire and strip
series alloy wires
ni80cr20/ni70cr30/ni60cr15/ni30cr20/ni20cr25
usage
heating element/resistance wire/household applianc
Purity
70%Ni
Standard
ASTM/GB/DIN
Transport Package
Packing in Coil Cartons, Pallet, Spools, Coils
Specification
in customers′ requirement
Trademark
TANKII
Origin
China
HS Code
75052200
Production Capacity
2000tons/Year

Product Description

 Whole Sale Price Ni70cr30 Wire Nicr70/30 Wire for Band Heaters

Common Name: Ni70Cr30,  N7, HAI-NiCr70, Chromel70/30, Resistohm70, Balco, Tophet 30, Cronix 70, Alloy 710, Stablohm 710
 
Ni70Cr30 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 Ni70Cr30 are used in electrical heating elements in industrial furnace,and well suited for reducing atmospheres

Propertes/Grade
NiCr 80/20

NiCr 70/30

NiCr 60/15

NiCr 35/20

NiCr 30/20

Main Chemical Composition(%)

Ni

Bal.

Bal.

55.0-61.0

34.0-37.0

30.0-34.0
 
Cr

20.0-23.0

28.0-31.0

15.0-18.0

18.0-21.0

18.0-21.0
 
Fe

≤ 1.0

≤ 1.0

Bal.

Bal.

Bal.

Max Working Temperature(ºC)

1200

1250

1150

1100

1100

Resistivity at 20ºC
(μ Ω · m)

1.09

1.18

1.12

1.04

1.04

Density(g/cm3)

8.4

8.1

8.2

7.9

7.9

Thermal Conductivity
(KJ/m· h· ºC)

60.3

45.2

45.2

43.8

43.8

Coefficient of Thermal Expansion(α × 10-6/ºC)

18

17

17

19

19

Melting Point(ºC)

1400

1380

1390

1390

1390

Elongation(%)

> 20

> 20

> 20

> 20

> 20

Micrographic Structure

austenite

austenite

austenite

austenite

austenite

Magnetic Property

nonmagnetic

nonmagnetic

nonmagnetic

nonmagnetic

nonmagnetic

Product Description
Grade: Ni80Cr20 ,also called MWS-650,NiCrA,Tophet A,HAI-NiCr 80,Chromel A,Alloy A,N8,Resistohm 80, Stablohm 650,Nichorme V etc.

Chemical Content(%)

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

-

Mechanical Properties of nichrome wire

Max Continuous Service Temperature: 

1200ºC

Resisivity 20ºC:

1.09 ohm mm2/m

Density:

8.4 g/cm3

Thermal Conductivity:

60.3 KJ/m·h·ºC

Coefficient of Thermal Expansion:

18 α×10-6/ºC

Melting Point:

1400ºC

Elongation:

Min 20%

Micrographic Structure:

Austenite

Magnetic Property:

nonmagnetic

Temperature Factors Of Electrical Resistivity

20ºC

100ºC

200ºC

300ºC

400ºC

500ºC

600ºC

1

1.006

1.012

1.018

1.025

1.026

1.018

700ºC

800ºC

900ºC

1000ºC

1100ºC

1200ºC

1300ºC

1.01

1.008

1.01

1.014

1.021

1.025

-

 Regular size of Nickel alloy wire :

We supply products in the shape of wire,flat wire,strip.We can also make customized material according to useris requests.

Bright and white wire--0.025mm~3mm

Pickling wire:1.8mm~10mm

Oxidized wire:0.6mm~10mm

Flat wire:thickness 0.05mm~1.0mm,width 0.5mm~5.0mm
 

Ni70cr30 Nichrome 70 Resistance Nicr70/30 Flat Wire for Band Heaters

Ni70cr30 Nichrome 70 Resistance Nicr70/30 Flat Wire for Band Heaters

Ni70cr30 Nichrome 70 Resistance Nicr70/30 Flat Wire for Band Heaters
Ni70cr30 Nichrome 70 Resistance Nicr70/30 Flat Wire for Band Heaters

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