Cold storage room fast door are used to industrial warehouse applications, our cold storage doors combine the latest technology, premium materials and design features to meet the demanding requirements of the cold storage industry. Available as a sliding, swing and vertical lift door, all Cold Guard doors incorporate a tough and thermally neutral fiberglass reinforced pultrusion framework, extruded plastic polymer casings and Non-CFC foamed-in place polyurethane core. We understand the conditions that cold storage doors must endure. Superior design methods and non-corrosive materials ensure that Cold Guard will perform and look good for years to come!
The advantages of cold storage fast room door
Excellent Insulation Properties
Save Money on Temperature Costs
A Variety of Cold Room Options
Temperature Control and Efficiency
One of the most important benefits of our cool room panels is passive temperature control.
Safety for You Too
Not only are our cold room panels very hygienic, they also allow for superior safety. Their low allergenic qualities and enhanced seismic performance will protect you while you`re at work.
Cold Storage Room Fast Door,Freezer Room Fast Door,Freezer Room Insulated Fast Door,Thick Curtain High Speed Door Shenzhen Hongfa Automatic Door Co., Ltd. , https://www.pvchighspeeddoor.com
Quick Data Show:
Grade: Nichrome 80/20
Chemical Composition: Nickel 80%, Chrome 20%
Electrical Resistivity: 1.09 ohm mm2/m
Max working temperature: 1200 C
Condition: Bright, Annealed, Soft
Wire diameter 0.015mm-1.0mm packing in spool
Rod, Bar diameter 1mm-30mm
Flat Wire, Ribbon, Foil, Sheet thickness 0.005mm~2.5mm, Width 0.5mm~500mm
Plate: Thickness 2.5mm~7mm, width 10mm~500mm
Usually used as heating element, resistor.
Our advantage: Long working Life and anti-oxidation under high temperature
Â
Detailed Description:
Grade:  NiCr 80/20 is also called Chromel A, Nikrothal 80, N8, Nichrome V, HAI-NiCr 80, Tophet A, Resistohm 80, Cronix 80, Protoloy, Nikrothal 8, Alloy A, MWS-650, Stablohm 650, NCHW1
We also produce other kind of nichrome resistance wire, such as NiCr 70/30,NiCr 60/15,NiCr 60/23,NiCr 37/18, NiCr 35/20, NiCr 35/20, NiCr 25/20,Karma
     Â
Chemical Composition and Propertes:
Propertes/Grade
NiCr 80/20
NiCr 70/30
NiCr 60/15
NiCr 35/20
NiCr 30/20
Main Chemical  Composition(%)
Ni
Bal.
Bal.
55.0-61.0
34.0-37.0
30.0-34.0
Â
Cr
20.0-23.0
28.0-31.0
15.0-18.0
18.0-21.0
18.0-21.0
Â
Fe
≤ 1.0
≤ 1.0
Bal.
Bal.
Bal.
Max Working Temperature(ºC)
1200
1250
1150
1100
1100
Resistivity at 20ºC
(μ Ω · m)1.09
1.18
1.12
1.04
1.04
Density(g/cm3)Â
8.4
8.1
8.2
7.9
7.9
Thermal Conductivity
(KJ/m· h· ºC)60.3
45.2
45.2
43.8
43.8
Coefficient of Thermal Expansion(α × 10-6/ºC)
18
17
17
19
19
Melting Point(ºC)
1400
1380
1390
1390
1390
Elongation(%)
>Â 20
>Â 20
>Â 20
>Â 20
>Â 20
Micrographic Structure
austenite
austenite
austenite
austenite
austenite
Magnetic Property
nonmagnetic
nonmagnetic
nonmagnetic
nonmagnetic
nonmagnetic
Regular size:
We supply products in the shape of wire,flat wire,strip.We can also make customized material according to useris requests.
Bright, annealed, soft wire--0.025mm~5mm
Acid pickeling white wire:1.8mm~10mm
Oxidized wire:0.6mm~10mm
Flat wire:thickness 0.05mm~1.0mm,width 0.5mm~5.0mm
Â
Process:
Wire:Material preparation→melting→re-melting→forging→hot rolling→heat treatment→surface treatment→drawing(rolling)→finish heat treatment→inspection→package→warehouse
Â
Product features:
1)Excellent anti-oxidation and mechanical strength at high temperature;
2)High resistivity and low temperature coefficient of resistance;
3)Excellent reelability and forming performance;
4)Excellent welding performace
Â
Application of all grades:
NiCr 80/20:in braking resistors,industrial furnaces,flat irons, ironing machines, water heaters, plastic moulding dies, soldering irons, metal sheathed tubular elements and cartridge elements.
NiCr 70/30:in industrial furnaces. well suited for reducing atmospheres, as it is not subject to 'green rot'.
NiCr 60/15:in braking resistors,industrial furnaces,hot plates, grills, toaster ovens and storage heaters. For suspended coils in air heaters in clothes dryers, fan heaters, hand dryers.
NiCr 35/20:in braking resistors,industrial furnaces.In night-storage heaters, convection heaters, heavy duty rheostats and fan heaters. For heating cables and rope heaters in defrosting and de-icing elements, electric blankets and pads, car seats, baseboard heaters and floorheater.
NiCr 30/20:in solid hot plates, open coil heaters in HVAC systems, night-storage heaters, convection heaters, heavy duty rheostats and fan heaters.For heating cables and rope heaters in defrosting and de-icing elements, electric blankets and pads, car seats, baseboard heaters, floor heaters and resistors.
Â
Packaging & Shipping
Packing:
Wire packing:
In spool--when the diameter≤2.0mm
In coil--when the diameter>1.2mm
All the wire packd into cartons→cartons packed into plywood pallet OR wooden case
Regarding the size of the spool,please refer to the picture:
 
Â
Â
NIchrome wire NiCr8020 0.025mm 0.031mm 0.041mm 0.051mm
Quick Data Show:
Grade: Nichrome 80/20
Chemical Composition: Nickel 80%, Chrome 20%
Electrical Resistivity: 1.09 ohm mm2/m
Max working temperature: 1200 C
Condition: Bright, Annealed, Soft
Wire diameter 0.015mm-1.0mm packing in spool
Rod, Bar diameter 1mm-30mm
Flat Wire, Ribbon, Foil, Sheet thickness 0.005mm~2.5mm, Width 0.5mm~500mm
Plate: Thickness 2.5mm~7mm, width 10mm~500mm
Usually used as heating element, resistor.
Our advantage: Long working Life and anti-oxidation under high temperature
Â
Detailed Description:
Grade:  NiCr 80/20 is also called Chromel A, Nikrothal 80, N8, Nichrome V, HAI-NiCr 80, Tophet A, Resistohm 80, Cronix 80, Protoloy, Nikrothal 8, Alloy A, MWS-650, Stablohm 650, NCHW1
We also produce other kind of nichrome resistance wire, such as NiCr 70/30,NiCr 60/15,NiCr 60/23,NiCr 37/18, NiCr 35/20, NiCr 35/20, NiCr 25/20,Karma
     Â
Chemical Composition and Propertes:
Propertes/Grade
NiCr 80/20
NiCr 70/30
NiCr 60/15
NiCr 35/20
NiCr 30/20
Main Chemical  Composition(%)
Ni
Bal.
Bal.
55.0-61.0
34.0-37.0
30.0-34.0
Â
Cr
20.0-23.0
28.0-31.0
15.0-18.0
18.0-21.0
18.0-21.0
Â
Fe
≤ 1.0
≤ 1.0
Bal.
Bal.
Bal.
Max Working Temperature(ºC)
1200
1250
1150
1100
1100
Resistivity at 20ºC
(μ Ω · m)1.09
1.18
1.12
1.04
1.04
Density(g/cm3)Â
8.4
8.1
8.2
7.9
7.9
Thermal Conductivity
(KJ/m· h· ºC)60.3
45.2
45.2
43.8
43.8
Coefficient of Thermal Expansion(α × 10-6/ºC)
18
17
17
19
19
Melting Point(ºC)
1400
1380
1390
1390
1390
Elongation(%)
>Â 20
>Â 20
>Â 20
>Â 20
>Â 20
Micrographic Structure
austenite
austenite
austenite
austenite
austenite
Magnetic Property
nonmagnetic
nonmagnetic
nonmagnetic
nonmagnetic
nonmagnetic
Regular size:
We supply products in the shape of wire,flat wire,strip.We can also make customized material according to useris requests.
Bright, annealed, soft wire--0.025mm~5mm
Acid pickeling white wire:1.8mm~10mm
Oxidized wire:0.6mm~10mm
Flat wire:thickness 0.05mm~1.0mm,width 0.5mm~5.0mm
Â
Process:
Wire:Material preparation→melting→re-melting→forging→hot rolling→heat treatment→surface treatment→drawing(rolling)→finish heat treatment→inspection→package→warehouse
Â
Product features:
1)Excellent anti-oxidation and mechanical strength at high temperature;
2)High resistivity and low temperature coefficient of resistance;
3)Excellent reelability and forming performance;
4)Excellent welding performace
Â
Application of all grades:
NiCr 80/20:in braking resistors,industrial furnaces,flat irons, ironing machines, water heaters, plastic moulding dies, soldering irons, metal sheathed tubular elements and cartridge elements.
NiCr 70/30:in industrial furnaces. well suited for reducing atmospheres, as it is not subject to 'green rot'.
NiCr 60/15:in braking resistors,industrial furnaces,hot plates, grills, toaster ovens and storage heaters. For suspended coils in air heaters in clothes dryers, fan heaters, hand dryers.
NiCr 35/20:in braking resistors,industrial furnaces.In night-storage heaters, convection heaters, heavy duty rheostats and fan heaters. For heating cables and rope heaters in defrosting and de-icing elements, electric blankets and pads, car seats, baseboard heaters and floorheater.
NiCr 30/20:in solid hot plates, open coil heaters in HVAC systems, night-storage heaters, convection heaters, heavy duty rheostats and fan heaters.For heating cables and rope heaters in defrosting and de-icing elements, electric blankets and pads, car seats, baseboard heaters, floor heaters and resistors.
Â
Packaging & Shipping
Packing:
Wire packing:
In spool--when the diameter≤2.0mm
In coil--when the diameter>1.2mm
All the wire packd into cartons→cartons packed into plywood pallet OR wooden case
Regarding the size of the spool,please refer to the picture:
Â
Â
Â
NIchrome wire 8020 0.031mm 0.041mm 0.051mm
Model NO.: NIchrome
Condition: Bright, Annealed, Soft
Surface: Shining, No Oil, No Scratch
Ohm/meter: Uniform
Grain Size: Small
Packing: Tight
Item: NIchrome wire NiCr8020 0.025mm 0.031mm 0.041mm 0.0
Trademark: TANKII
Transport Package: Spool, Carton, Wooden Box
Specification: RoHS, ISO 9001: 2008
Origin: Shanghai
HS Code: 7505220000
Model NO.: NIchrome
Condition: Bright, Annealed, Soft
Surface: Shining, No Oil, No Scratch
Ohm/meter: Uniform
Grain Size: Small
Packing: Tight
Item: NIchrome wire NiCr8020 0.025mm 0.031mm 0.041mm 0.0
Trademark: TANKII
Transport Package: Spool, Carton, Wooden Box
Specification: RoHS, ISO 9001: 2008
Origin: Shanghai
HS Code: 7505220000
NIchrome wire NiCr8020 0.025mm 0.031mm 0.041mm 0.051mm