Shanghai Tankii Alloy Material Co.,Ltd
                                                                                                           
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Heating Element Hearter Nichrome Resistance Wire Stable Resistance Cr30Ni70

Price Negotiable
Price: negotiation
MOQ: 20kg
Delivery Time: Negotiable
Brand: TANKII
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 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 ( 20℃)/Ω·m::

 

Density:

Thermal Conductivity:

Coefficient of Thermal Expansion:

Melting Point:

Elongation:

Micrographic Structure:

Magnetic Property:

1250℃

1.18 +/-0.05 (Dia: <0.5mm)

1.20+/-0.05  (Dia: ≥0.50 mm)

8.1 g/cm3

45.2 KJ/m·h·℃

17×10-6/℃ (20℃~1000℃)

1380℃

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(℃)

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 (℃)

1400

1390

1380

1390

1390

Resistivityρ20℃(10-6Ω.m)

800℃

1.008

1.078

1.028

1.188

1.173

1000℃

1.014

1.095

1.033

1.219

1.201

1200℃

1.025

 

1.043

 

 

Fast life value

Tem.(℃)

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.℃)

60.3

45.2

45.2

43.8

43.8

Specific heat(20℃)j/g.℃

0.440

0.494

0.461

0.500

0.500

Extend strength(20~1000℃)α*10-6℃

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:

 Electric resistance alloy materials in wire, strip, tube, and bar form.

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

 

 

 

 

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shanghai Tankii Alloy Material Co.,Ltd
Location 1900 Mudanjiang Road, Baoshan District, 201999, Shanghai, China
Contact Person Martin Lee

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