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TK1 large-sized cold-drawn wire products can be used for high-temperature resistance furnace. Practice has
proved that: the product process is stable, integrated performance is good. Has good high temperature oxidation
resistance and longer service life; excellent winding properties at room temperature processing, ease of
processing molding; little rebound resilience and so on. Processing performance is very good; operating
temperature can reach 1400 .
TK1 is a ferritic alloy of the FeCrAl family, which can be used up to 1300°C in case of big diameters.To maintain TK1 under 1000°C during 7 to 8 hours in an oxidizing atmosphere with an unsufficient quantity of oxygen or air induces
formation of a white-grey aluminium coat of oxydewhich protects the wire of a possible chemical attack. It is recommended to oxyde the wire of this way when the element must operate in reducting conditions. This is why TK1 is generally supplied preoxidised.
TK1 can be used for resistances in electric furnaces for ceramic, chemical and metallurgic industries, and for all applications where
it is necessary to apply very high temperature of use. Life time of TK1 is better than those of NiCr in case of atmospheres containing sulfur and particularly if they are oxidizing.Life time of TK1 is particularly influenced by the formation of oxide coat. If the atmosphere
does not permit it, life time in high temperatures is considerably reduced. Prejudicial atmospheres are nitrogen, ammonia, and hydrocarbons
Conventional Product specifications: 0.5 ~ 10 mm
Properties Grade
TKA-1
Cr
Al
Re
Fe
23.0
6.0
Suitable
Balance
Max Continuous ServiceTemperature(ºC)
Diameter 1.0-3.0
Diameter large than 3.0,
1225-1350ºC
1400ºC
Resisivity 20ºC (Omm2/m)
1.45
Density(g/cm 3 )
7.1
Approximate Melting Point( ºC)
1500
Elongation (%)
16-33
Repeatedly Bend Frequency(F/R)20ºC
7-12
Continuous Service Time under 1350ºC
More than 80 hours
Micrographic Structure
Ferrite
The relationship between the maximum operating temperature and the furnace atmosphere
Furnace atmosphere
Dry Air
Humid Air
hydrogen-argon gas
Argon
Decomposition ammonia gas
Temp( ºC)
1400
1200
1400
950
1200
User Manual
Rated Voltage: 220V/380V
The installation process to avoid knocking, to avoid the damp, hand-held stove wire, they should wear gloves. Wire should be installed after the furnace has remained flat, and prevent surface scratches, dirt, corrosion, or improper installation, by affecting the life of
In the rated voltage to use. In strong reducing atmosphere, acid atmosphere, an atmosphere of high humidity will affect the use of life;
Temperature before use should be in dry non-corrosive atmosphere, about 1000 ℃ spend a few hours, so that furnace wire protective film formed on the surface after normal use, so that can guarantee the normal life of furnace wire;
Furnace installation should ensure that the insulated wire good power to avoid touching furnace after the wire, guard against electric shock or burns.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
1981
Total Annual:
8000000-100000000
Employee Number:
90~100
Ecer Certification:
Verified Supplier
Shanghai Tankii Alloy Material Co., Ltd.specialized in production of Resistance Heating Alloy, Nickel Chromium Alloy, Iron Chromium Aluminum Alloy, Nickel Aluminum Alloy, Manganin, Copper Nickel Alloy, thermocouple wire, pure nickel and other precision alloy materials in the form of round wire, ribb... Shanghai Tankii Alloy Material Co., Ltd.specialized in production of Resistance Heating Alloy, Nickel Chromium Alloy, Iron Chromium Aluminum Alloy, Nickel Aluminum Alloy, Manganin, Copper Nickel Alloy, thermocouple wire, pure nickel and other precision alloy materials in the form of round wire, ribb...