Reliable Quality Ohmalloy Nichrome Tube Nicr7030 for Electric Heating Elements

Product Type: Tube
Material: Ni Cr Alloy
Carbon Content: 0.05
PCD: No
ET: No
Hole: No
Samples:
US$ 0/Piece 1 Piece(Min.Order)
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Basic Info.

Model NO.
OhmAlloy118
Application
Heating System
Certificate
SGS, ISO, RoHS
Sample
Free Sample
Resistivity(μΩ.M)
1.18
Working Temperature
1250
Density, g/cm3
8.2
Surface Treatment
Bright or Oxidation
Width
10~50 mm
Transport Package
Wooden Case
Specification
Thickness: 1~10 mm
Trademark
Ohmalloy
Origin
Shanghai, China
HS Code
7507120000
Production Capacity
50000 Kgs Per Month

Product Description

OHMALLOY
OhmAlloy118

(Common Name:Ni70Cr30, Nikrothal 70, N7, HAI-NiCr 70, Chromel 70/30, Resistohm 70, Balco,Tophet 30,Cronix 70,Alloy 710,Stablohm 710) 
OhmAlloy118 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 OhmAlloy118 are used in electrical heating elements in industrial furnace,and well suited for reducing atmospheres.
 
Normal composition%
C P S Mn Si Cr Ni Al Fe Other
           Max
0.05 0.02 0.015 0.60 0.75~1.60 28.0~31.0 Bal. Max 0.50 Max 1.0 -
 
 
 
Typical Mechanical properties(1.0mm)
Yield strength Tensile Strength Elongation
Mpa Mpa %
430 820 30
 
Typical Physical properties
Density (g/cm3) 8.2
Electrical resistivity at 20ºC(Om*mm2/m) 1.18
Conductivity coefficient at 20ºC (WmK) 14
 
Coefficient of thermal expansion
Temperature Coefficient of Thermal Expansion x10-6/ºC
20 ºC- 1000ºC 17
 
 
Specific heat capacity
Temperature 20ºC
J/gK 0.46
 
Melting point (ºC) 1380
Max continuous operating temperature in air (ºC) 1250
Magnetic properties non-magnetic
 
Temperature Factors Of Electrical Resistivity
20ºC 100ºC 200ºC 300ºC 400ºC 500ºC 600ºC
1 1.007 1.016 1.028 1.038 1.044 1.036
700ºC 800ºC 900ºC 1000ºC 1100ºC 1200ºC 1300ºC
1.03 1.028 1.029 1.033 1.037 1.043 -
 
Style of supply
Alloys Name Type Dimension  
OhmAlloy118W Wire D=0.03mm~8mm  
OhmAlloy118R Ribbon W=0.4~40 T=0.03~2.9mm
OhmAlloy118S Strip W=8~250mm T=0.1~3.0
OhmAlloy118F Foil W=6~120mm T=0.003~0.1
OhmAlloy118B Bar Dia=8~100mm L=50~1000
 



FAQ

1. What's the minimum quantity customer can order?
If we have your size in stock, we can provide any quantity you want.
If we do not have, for spool wire, we can produce 1 spool, about 2-3kg. For coil wire, 25kg.
2. How can you pay for small sample amount?
We have Western union account, wire transfer for sample amount also ok.

3. Customer do not have express account. How will us arrange the delivery for sample order?
Just need to provide your address information, we will check the express cost, you can arrange the express cost together with sample value.

4. What's our payment terms?
We can accept LC T/T payment terms, it also depending on delivery and total amount. Let's talk more in details after getting your detailed requirements.

5. Do you provide free samples?
If you want several meters and we have stock of your size, we can provide, customer need to bear the International express cost.

6. What's our working time?
We will give you reply through email/phone Online contact tool within 24 hours. No matter working day or holidays.

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