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| Categories | FeCrAl Alloy |
|---|---|
| Brand Name: | Runlai |
| Model Number: | 0Cr21Al6Nb |
| Certification: | ISO9001 ROHS |
| Place of Origin: | China |
| MOQ: | 10 Kg |
| Price: | Negotiable |
| Payment Terms: | L/C, T/T, Western Union, MoneyGram |
| Supply Ability: | 300 tons per month |
| Delivery Time: | 20~40 Days |
| Packaging Details: | Packed in Spool Carton box, Coil package with polybag,then in woodencase |
| Product Name: | 0Cr21Al6Nb Wire |
| Material: | FeCrAl |
| Density: | 7.35 G/cm3 |
| Resistivity: | 1.35 Ω/m |
| Max Working Temperature: | 1500℃ |
| Elongation At Rupture: | ＞12% |
| Hardness (H.B.): | 200-260 |
| Melting Point Approx (℃): | Hard / Soft |
| Application: | Electric furnace heating elements, heating devices, thermocouples and electric furnace cables, etc. |
| Tensile Strength (N/mm2): | 630-780N/mm2 |
| Company Info. |
| CHANGZHOU LIANGRU INTERNATIONAL TRADE CO., LTD. |
| Verified Supplier |
| View Contact Details |
| Product List |
High Temperature FeCrAl Alloy Heating Wire Kan A1 WireFeCrAl Alloy Electric Heater Wire 0Cr21Al6Nb
Product Introduction
0Cr21Al6Nb Wire is a high resistance electric heating alloy wire,
the main chemical composition is carbon content ≤0.05%, silicon
content ≤0.60%, manganese content ≤0.50%, phosphorus content
≤0.025%, sulfur content ≤0.025%, chromium content 21.0%~23.0%,
nickel content ≤0.60%, aluminum content 5.0%~7.0%, niobium content
0.5%, the balance is iron. It has a high resistivity of 1.45μΩ·m
(20℃), a density of 7.1 g/cm³, a melting point of about 1475-1510℃,
and a maximum operating temperature of up to 1350℃.
This alloy wire has excellent oxidation resistance. Due to the high
content of chromium and aluminum, it can form a dense oxide
protective film at high temperature, which effectively resists
oxidation and corrosion. The addition of niobium improves the creep
resistance of the alloy, making it have better stability and
reliability at high temperatures. 0Cr21Al6Nb Wire also has a low
temperature coefficient of 0～-0.01%/℃, and can maintain a stable
resistance value at different temperatures. It is widely used in
electric furnace heating elements, heating devices, thermocouples
and electric furnace cables. For example, as a heating element, it
is mainly used in heat treatment furnaces with a use temperature
below 1100℃, especially suitable for continuous furnaces such as
stainless steel annealing furnaces.
Parameter
| Shape | Size (mm) |
| Wire | 0.025-8.00mm |
| Rod | 8.00-50.00mm |
| Robbin | (0.05-0.35)*(0.5-6.0)mm |
| Strip | (0.50-2.50)*(5.00-180.00)mm |
| Alloy Nomenclature Performance | 1Cr13Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr23Al5 | 0Cr21Al4/ 0Cr19Al3 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | |
| Main chemical composition | 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 | |
| Rest | opportune | opportune | opportune | opportune | opportune | opportune | opportune | |
| Fe | Rest | Rest | Rest | Rest | Rest | Rest | Rest | |
| Others | -- | -- | -- | -- | -- | Nb 0.5 | Mo 1.8-2.2 | |
| Max. continuous service temp. of element( °C ) | 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 | ||
| Line expansion coefficient(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 break(%) | >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 | |
Specific Applications
Advantages and Characteristics
Contact Us
Email:fbwlau@cnrunlai.com
Oem service:
Welcome customized size
We are experience factory for OEM&ODM service
Our Nichrome Alloy product comes with technical support and services to ensure optimal performance and customer satisfaction:
We are committed to providing our customers with the highest level of support and service for our Nichrome Alloy product.
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Related Questions and Answers
Q: What is the density of 0Cr21Al6Nb Wire?
A: The density is about 7.16g/cm³.
Q: What is the thermal conductivity of 0Cr21Al6Nb Wire?
A: The thermal conductivity is about 63.2KJ/mhºC.
Q: What is the expansion coefficient of 0Cr21Al6Nb Wire?
A: The expansion coefficient is about 14.7×10⁻⁶/ºC.
Q: What is the melting point of 0Cr21Al6Nb Wire?
A: The melting point is about 1500ºC.
Q: What are the heat treatment requirements for 0Cr21Al6Nb Wire?
A: The recommended heat treatment system is annealing at 750~850°C
and water cooling.
Q: What are the surface treatment methods for 0Cr21Al6Nb Wire?
A: Polishing, wire drawing, coating and other surface treatments
can be performed.
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