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 Cr30Ni70 Nichrome Alloy Strip, Sable Resistance for Heating Element, 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 Strip Cr30Ni70 Nichrome Alloy Strip, Sable Resistance for Heating Element

Cr30Ni70 Nichrome Alloy Strip, Sable Resistance for Heating Element

Purchase Qty.:
(kg)
20-99 100-499 500+
FOB Unit Price: US $25 US $24.5 US $24
Purchase Qty. (kg) FOB Unit Price
20-99 US $25
100-499 US $24.5
500+ US $24
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
  • features: High resistivity, surface oxidation resistance per
  • highest temperature: 1250ºC
  • Transport Package: Spool, Carton, Wooden Case
  • Origin: Tankii, China
  • Product Type: Wire
  • Carbon Content: Low Carbon
  • use: Resistance materials
  • Trademark: TANKII
  • Specification: RoHS
  • HS Code: 7505220000
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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