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Resistohm 145 / 0cr21al6nb / HN A1 A-1 Resistance Heating Wire on Resistance Furnace

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Resistohm 145 / 0cr21al6nb / HN A1 A-1 Resistance Heating Wire on Resistance Furnace

Brand Name : TANKII

Model Number : Resisohm 145A1

Certification : ISO9001 SGS

Place of Origin : Shanghai, China

MOQ : 100 KG

Price : negotiable

Payment Terms : L/C, T/T, Western Union

Supply Ability : 500 Tons per month

Delivery Time : 7-20 days

Packaging Details : Wooned Case

Model NO. : Resistohm 145A1

Surface : Bright, Acid White, Oxidation

Material : Fe-Cr-Al Wire

Density : 7.1 g/cm3

Resistivity : 1.45

Origin : Shanghai China

Trademark : TANKII ALLOY

HS Code : 72230000

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Resistohm 145 / 0cr21al6nb / HN A1 A-1 Resistance Heating Wire on Resistance Furnace

Resisohm 145A1 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 ºC.
Main specifications and uses:

Conventional Product specifications: 0.5 ~ 10 mm

Uses: mainly used in powder metallurgy furnace, diffusion furnace, radiant tube heater and all kinds of high-temperature furnace heating body.

MAIN CHEMICAL ELEMENTS AND PROPERTIES

Properties Grade
Cr Al Re Fe
25.0 6.0 Suitable Balance
Max Continuous Service Temperature(ºC) Diameter 1.0-3.0 Diameter large than 3.0,
1225-1350ºC 1400ºC
Resisivity 20ºC (ohm*mm2/m) 1.45
Density(g/cm3) 7.1
Approximate Melting Point( ºC) 1500
Elongation (%) 16-33
Repeatedly Bend Frequency(F/R) 20ºC 7-12
Continuous Service Time under 1350 ºC More than 60 hours
Micrographic Structure Ferrite
The relationship between the maximum operating temperature and the furnace atmosphere
Furnace Dry Air Humid Air hydrogen-argon Argon Decomposition
atmosphere gas ammonia gas
Temp(ºC) 1400 1200 1400 950 1200

Alloy Nomenclature Performance 1Cr13AL4 0Cr25Al5 0Cr21AL6 0Cr23Al5 0Cr21Al4 0Cr21Al6Nb 0Cr27Al7Mo2
Cr 12.0-15.0 23.0-26.0 19.0-22.0 20.5-23.5 18.0-21.0 21.0-23.0 26.5-27.8
Al 4.0-6.0 4.5-6.5 5.0-7.0 4.2-5.3 3.0-4.2 5.0-7.0 6.0-7.0
Main Chemical composition Re opportune opportune opportune opportune opportune opportune opportune
Fe Rest Rest Rest Rest Rest Rest Rest
Nb0.5 Mo1.8-2.2
Max. continuous service temp. of element(ºC) 950 1250 1250 1250 1100 1350 1400
Resistivity at 20ºC(μΩ/m) 1.25 1.42 1.42 1.35 1.23 1.45 1.53
Density(g/cm3) 7.4 7.1 7.16 7.25 7.35 7.1 7.1
Thermal conductivity(KJ/m.h.ºC) 52.7 46.1 63.2 60.2 46.9 46.1 --
Coefficient of lines expansion(α*10-6/ºC) 15.4 16 14.7 15 13.5 16 16
Melting point approx.( ºC) 1450 1500 1500 1500 1500 1510 1520
Tensile strength(N/mm2) 580-680 630-780 630-780 630-780 600-700 650-800 680-830
Elongation at rupture(%) >16 >12 >12 >12 >12 >12 >10
Variation of area(%) 65-75 60-75 65-75 65-75 65-75 65-75 65-75
Repeat Bending frequency(F/R) >5 >5 >5 >5 >5 >5 >5
Hardness(H.B.) 200-260 200-260 200-260 200-260 200-260 200-260 200-260
continuous service time(Hours/ ºC) -- ≥80/1300 ≥80/1300 ≥80/1300 ≥80/1250 ≥50/1350 ≥50/1350
Micrographic structure Ferrite Ferrite Ferrite Ferrite Ferrite Ferrite Ferrite
Magnetic properties Magnetic Magnetic Magnetic Magnetic Magnetic Magnetic Magnetic

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