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CrNi30/70 Nichrome Heating Coil 35% Elongation 430 Yield Strength

Ohmalloy Material Co.,Ltd

City: shanghai

Province/State:shanghai

Country/Region:china

Tel:86-21-66796338

Contact Person:
MrQiu
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CrNi30/70 Nichrome Heating Coil 35% Elongation 430 Yield Strength

Brand Name : OHMALLOY
Model Number : 7030S0250B
Certification : ISO,SGS
Place of Origin : China(Shanghai)
MOQ : 5kg
Price : negotiable
Payment Terms : T/T, Western Union, L/C
Supply Ability : 80000Kg/Week
Packaging Details : Plastic packing inside, wooden box outside , choose the suitable packing, Alos it can be customized by the clients' demand.
Resistivity : 1.12μΩ.m
Shape : Strip
Surface : Bright
Density (g/cm3) : 8.2
Elongation : 35%
State : Annealled
Yield strength : 430
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CrNi30/70 Nichrome Heating Coil 35% Elongation 430 Yield Strength


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.

Characteristics:

1) The highest working temperature up to 1250 degree.

2) Higher elongation

3) More stable mechanical properties

4) Better ductility and weldability.

Applications

Nichrome alloy resistance strip Ni70Cr30 is widely used for making electric heating elements in home appliances and industrial furnaces. Typical applications are flat irons, ironing machines, water heaters, plastic moulding dies, soldering irons, metal sheathed tubular elements and cartridge elements.

Main grades and properties


TypeCr20Ni80Cr15Ni60Cr30Ni70Cr20Ni35Cr20Ni30
Main chemical compositionNiRest55.0~61.0Rest34.0~37.030.0~34.0
Cr20.0~23.015.0~18.028.0~31.018.0~21.018.0~21.0
Fe≤1Rest≤1RestRest
Maximal Temperature(℃)12001150125011001100
Resistance Temperature correction coefficient.(CT)1.09±0.051.11±0.051.18±0.051.04±0.051.06±0.05
Melting point (℃)14001390138013901390
Resistivityρ20℃(10-6Ω.m)800℃1.0081.0781.0281.1881.173
1000℃1.0141.0951.0331.2191.201
1200℃1.0251.043
Fast life valueTem.(℃)11751100120010501050
hour(h)≥110≥100≥110≥100≥100
Specific gravity(g/cm3)8.408.28.17.907.90
Elongation(%)≥25≥25≥20≥20≥20
Thermal(kj/m.h.℃)60.345.245.243.843.8
Specific heat(20℃)j/g.℃0.4400.4940.4610.5000.500
Extend strength(20~1000℃)α*10-6℃18.017.017.119.019.0
Tensile strength(kg/mm2)>85>85>85>85>85
Repeatedly bending(F/R)>12>12>12>12>12
MicrostructureAusteniticAusteniticAusteniticAusteniticAustenitic

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.

Our Services

1) Pass ISO9001 and SGS certification.

2) Samples free available.

3) OEM service.

4) Manufacturer test certificate will be provided If necessary.

5) Good packing methods to keep goods safe.

6) Choose safe,quick,price reasonable forwarder to transport for our customers.

7) Short delivery time

Normal composition%

CPSMnSiCrNiAlFeOther
Max
0.050.020.0150.600.75~1.6028.0~31.0Bal.Max 0.50Max 1.0-

Typical Mechanical properties(1.0mm)

Yield strengthTensile StrengthElongation
MpaMpa%
43082030

Typical Physical properties

Density (g/cm3)8.2
Electrical resistivity at 20℃(Ωmm2/m)1.18
Conductivity coefficient at 20℃ (WmK)14

Coefficient of thermal expansion
TemperatureCoefficient of Thermal Expansion x10-6/℃
20 ℃- 1000℃17

Specific heat capacity
Temperature20℃
J/gK0.46

Melting point (℃)1380
Max continuous operating temperature in air (℃)1250
Magnetic propertiesnon-magnetic

Temperature Factors Of Electrical Resistivity

20℃100℃200℃300℃400℃500℃600℃
11.0071.0161.0281.0381.0441.036
700℃800℃900℃1000℃1100℃1200℃1300℃
1.031.0281.0291.0331.0371.043-

Style of supply

Alloys NameTypeDimension
OhmAlloy118WWireD=0.03mm~8mm
OhmAlloy118RRibbonW=0.4~40T=0.03~2.9mm
OhmAlloy118SStripW=8~250mmT=0.1~3.0
OhmAlloy118FFoilW=6~120mmT=0.003~0.1
OhmAlloy118BBarDia=8~100mmL=50~1000


Product Tags:

nichrome resistance wire

      

nickel chromium resistance wire

      
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