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Locomotive Braking Resistor NiCr7030 Nickel Chrome Strip

Categories Nicr Alloy
Brand Name: TANKII
Model Number: NiCr7030
Certification: ISO9001
Place of Origin: Shanghai, China
MOQ: 30kg
Price: Negotiation
Payment Terms: L/C, T/T, Western Union, Paypal
Supply Ability: 200+TON+MONTH
Delivery Time: 7-20 DAYS
Packaging Details: Spool, carton, plywod case with plastic film as clients required
material: nickel chrome
shape: flat
condition: Soft Annealed
type: Nickel Based Alloy
color: metallic
carbon content: low carbon
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Locomotive Braking Resistor NiCr7030 Nickel Chrome Strip


Basic Info.

Model NO.
NiCr70/30
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
Trademark
TANKII
Transport Package
Packing in Coil Cartons, Pallet, Spools, Coils
Specification
in customers′ requirement
Origin
China
HS Code
75052200
Reliable Quality Nichrome Alloy NiCr7030 Strip for Locomotive Braking Resistor
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 Nikrothal 8,MWS-650,NiCrA,Tophet A,HAI-NiCr 80,Chromel A,Alloy A,N8,Resistohm 80, Stablohm 650,Nichorme V,Nikrothal 80 etc.

Chemical Content(%)
CPSMnSiCrNiAlFeOther
Max
0.030.020.0150.600.75~1.6020.0~23.0Bal.Max 0.50Max 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
20ºC100ºC200ºC300ºC400ºC500ºC600ºC
11.0061.0121.0181.0251.0261.018
700ºC800ºC900ºC1000ºC1100ºC1200ºC1300ºC
1.011.0081.011.0141.0211.025-

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




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