Gold Member Since 2008
Audited Supplier
Shanghai Tankii Alloy Material Co., Ltd.

Nichrome Wire, Nickel Chromium Alloy Wire, Heating Resistance Wire manufacturer / supplier in China, offering Nickel alloy strip (Cr30Ni70) Electrical resistivity alloy, Thermal Spray 316SS Wire for Corrosion Resistance, S2 Thermal Spray Wire for Arc Spray Processes and so on.

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Supplier Homepage Product Nickel Chrome Alloys Nichrome Wire Nickel alloy strip (Cr30Ni70) Electrical resistivity alloy

Nickel alloy strip (Cr30Ni70) Electrical resistivity alloy

Purchase Qty.:
(kg)
20-199 200-999 1,000+
FOB Unit Price: US $25 US $23 US $22.5
Purchase Qty. (kg) FOB Unit Price
20-199 US $25
200-999 US $23
1,000+ US $22.5
Get Latest Price
Port: Shanghai, China
Production Capacity: 300 Mt/Month
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Model NO.: Cr30Ni70
  • Material: Ni-Cr Alloys
  • product name: Nickel-chromium alloy
  • resistivity: 1.18
  • Trademark: TANKII
  • Specification: RoHS
  • HS Code: 7505220000
  • Product Type: Wire
  • Carbon Content: Low Carbon
  • use: Resistance materials
  • density: 8.1
  • Transport Package: Spool, Carton, Wooden Case
  • Origin: Tankii, China
Product Description

Cr30Ni70 Nichrome Alloy Eletrothermal Coil Strip,Sable Resistance For Heating Element,
 
NiCr70/30
 
Nickel chromium alloy with iron resistance electrothermal high resistivity, surface body sexual well. At high temperature and high intensity, 
and a good performance and processing may welding nature widely used metallurgical, electrical, mechanical components and electrical 
manufacturing industries for doing heat resistance material. 
 
NiCr Type:Cr20Ni80,Cr15Ni60, Cr20Ni35, Cr20Ni30, Cr25Ni20 etc.Series electric flat belt, electric fire wire.
 
3.Product size: 
 
Thickness : 0.02----4.0mm
Width:        2.5----250mm
Standard:GB1234-95
Bright and Smooth surface
 
 
 
Ni70Cr30
Chemical Content, %

C

P

S

Mn

Si

Cr

Ni

Al

Fe

Other

Max

0.08

0.02

0.015

0.60

0.75~1.60

28.0~31.0

Bal.

Max 0.50

Max 1.0

-

 
 
Mechanical Properties

Max Continuous Service Temperature: 
Resisivity ( 20ºC)/Ω·m::
 
Density:
Thermal Conductivity:
Coefficient of Thermal Expansion:
Melting Point:
Elongation:
Micrographic Structure:
Magnetic Property:

1250ºC
1.18 +/-0.05 (Dia: <0.5mm)
1.20+/-0.05  (Dia: ≥0.50 mm)
8.1 g/cm3
45.2 KJ/m·h·ºC
17×10-6/ºC (20ºC~1000ºC)
1380ºC
Min 20%
Austenite
nonmagnetic
 
 

Type

Cr20Ni80

Cr15Ni60

Cr30Ni70

Cr20Ni35

Cr20Ni30

 

Main chemical composition

Ni

Rest

55.0~61.0

Rest

34.0~37.0

30.0~34.0

Cr

20.0~23.0

15.0~18.0

28.0~31.0

18.0~21.0

18.0~21.0

Fe

≤1

Rest

≤1

Rest

Rest

Maximal Temperature(ºC)

1200

1150

1250

1100

1100

Resistance Temperature correction coefficient.(CT)

1.09±0.05

1.11±0.05

1.18±0.05

1.04±0.05

1.06±0.05

Melting point (ºC)

1400

1390

1380

1390

1390

Resistivityρ20ºC(10-6Ω.m)

800ºC

1.008

1.078

1.028

1.188

1.173

1000ºC

1.014

1.095

1.033

1.219

1.201

1200ºC

1.025

 

1.043

 

 

Fast life value

Tem.(ºC)

1175

1100

1200

1050

1050

hour(h)

≥110

≥100

≥110

≥100

≥100

Specific gravity(g/cm3)

8.40

8.2

8.1

7.90

7.90

Elongation(%)

≥25

≥25

≥20

≥20

≥20

Thermal(kj/m.h.ºC)

60.3

45.2

45.2

43.8

43.8

Specific heat(20ºC)j/g.ºC

0.440

0.494

0.461

0.500

0.500

Extend strength(20~1000ºC)α*10-6ºC

18.0

17.0

17.1

19.0

19.0

Tensile strength(kg/mm2)

>85

>85

>85

>85

>85

Repeatedly bending(F/R)

>12

>12

>12

>12

>12

Microstructure

Austenitic

Austenitic

Austenitic

Austenitic

Austenitic

 
 
 
Our Nichrome alloy are in the form of wire, ribbon, strip, coil.
 
Round wire
Ribbon (flat wire)
Strip / foil
Stranded wire
Sheet / plate
 
Delivery conditions are:  
Bright annealed
Oxidized
Pickled
Enameled
 
 Our major product line:
 l Electric resistance alloy materials in wire, strip, tube, and bar form.
l Furnace products and heating systems: 
Metalic heating elements
Heating modules: Prefabricated heating modules with electric heating elements and fiber or dense ceramic insulation.
Air heating cassettes: Cassettes with metallic heating elements for heating of air or gases
Diffusion Cassettes: Diffusion cassettes for the production of crystalline silicon wafers for solar cells and semiconductors
Furnace tubes: Extruded tubes made from FeCrAl alloys for gas-heated or electrically heated furnaces.
Construction materials: Wire, strip, tube and bar for manufacturing of furnace furniture and other furnace accessories
Furnace rollers: Furnace rollers for heat treatment furnaces.
Resistance heating wire and strip.: Resistance heating wire and strip for manufacturing of electric heating elements.
Technical Ceramics: Ceramic supporting materials for electrothermal components.
Thermocouple wire and strip: Wire, ribbon and strip for thermocouples, extension leads and compensating cables.
Ceramic engineering material: Ceramic engineering material for high-temperature and chemical environments.
Electric heating systems: Electric heating systems for aluminium and steel production
 
 
 
 
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