Heating Element, 0cr21al6nb Strip for Higt-Temperature Industrial
Furnace
General Description
FeCrAl alloy is made by a high-temperature, ferritic
iron-chromium-aluminium alloy which can be used at temperatures up
to 1350degrees. Typical applications for 0Cr21Al6Nb are as
electrical heating elements in high-temperature furnaces in the
heat treating, ceramics, glass, steel, and electronics industries.
Chemical Content, %
| Alloy material | Chemical composition % |
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | others |
| max(≤) |
| 1Cr13Al4 | 0.12 | 0.025 | 0.025 | 0.7 | ≤1.00 | 12.5-15.0 | — | 3.5-4.5 | Rest | — |
| 0Cr15Al5 | 0.12 | 0.025 | 0.025 | 0.7 | ≤1.00 | 14.5-15.5 | — | 4.5-5.3 | Rest | — |
| 0Cr25Al5 | 0.06 | 0.025 | 0.025 | 0.7 | ≤0.60 | 23.0-26.0 | ≤0.60 | 4.5-6.5 | Rest | — |
| 0Cr23Al5 | 0.06 | 0.025 | 0.025 | 0.7 | ≤0.60 | 20.5-23.5 | ≤0.60 | 4.2-5.3 | Rest | — |
| 0Cr21Al6 | 0.06 | 0.025 | 0.025 | 0.7 | ≤1.00 | 19.0-22.0 | ≤0.60 | 5.0-7.0 | Rest | — |
| 0Cr19Al3 | 0.06 | 0.025 | 0.025 | 0.7 | ≤1.00 | 18.0-21.0 | ≤0.60 | 3.0-4.2 | Rest | — |
| 0Cr21Al6Nb | 0.05 | 0.025 | 0.025 | 0.7 | ≤0.60 | 21.0-23.0 | ≤0.60 | 5.0-7.0 | Rest | Nb add0.5 |
| 0Cr27Al7Mo2 | 0.05 | 0.025 | 0.025 | 0.2 | ≤0.40 | 26.5-27.8 | ≤0.60 | 6.0-7.0 | Rest | |
Feature:
With long service life.Heating up fast.High thermal
efficiency.Temperature uniformity. Can use vertically. When being
used in the rated voltage,there is no volatile matter.It is an
environmental protection electric heating wire. And an alternative
to the costly nichrome wire.Can be customized according to customer
requirements
FeCrAl alloys are characterized by excellent oxidation resistance
and very good form stability resulting in long element life.
They are typically used in electrical heating elements in
industrial furnaces and home appliances.
Fe-Cr-Al alloy with high resistivity and serviceability temperature
than that for NiCr alloy and also has lower price.
Main technical characteristics of FeCrAl Alloy:
Brand Property | 1Cr13Al4 | 1Cr21Al4 | 0Cr21Al6 | 0Cr23Al5 | 0Cr25Al5 | 0Cr21Al6Nb | 0Cr27Al7Mo2 |
| Major chemical component% | Cr | 12.0-12.5 | 17.0-21.0 | 19.0-22.0 | 20.5-23.5 | 23.0-26.0 | 21.0-23.0 | 26.5-27.8 |
| Al | 4.0-6.0 | 2.0-4.0 | 5.0-7.0 | 4.2-5.3 | 4.5-6.5 | 5.0-7.0 | 6.0-7.0 |
| Fe | Balance | Balance | Balance | Balance | Balance | Balance | Balance |
| Re | Appropriate | Appropriate | Appropriate | Appropriate | Appropriate | Appropriate | Appropriate |
| | | | | | Addition Nb:0.5 | Addition Mo:1.8-2.2 |
| Component max. use temperature | 950 | 1100 | 1250 | 1250 | 1250 | 1350 | 1400 |
| Melting Point | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1510 |
| Density g/cm3 | 7.40 | 7.35 | 7.16 | 7.25 | 7.10 | 7.10 | 7.10 |
| Resistivity μΩ·m,20 | 1.25±0.08 | 1.23±0.06 | 1.42±0.07 | 1.35±0.06 | 1.45±0.07 | 1.45±0.07 | 1.53±0.07 |
| Tensile Strength Mpa | 588-735 | 637-784 | 637-784 | 637-784 | 637-784 | 637-784 | 684-784 |
| Extension rate% | 16 | 12 | 12 | | 12 | 12 | 10 |
| Repeated bending frequency | | | 5 | 5 | 5 | 5 | 5 |
| Fast lift h/ | - | | | 80/1300 | 80/1300 | | 50/1350 |
| Specific Heat J/g. | 0.490 | 0.490 | 0.520 | 0.460 | 0.494 | 0.494 | 0.494 |
| Heat Conduction Coefficient KJ/M.h | 52.7 | 46.9 | 63.2 | 60.1 | 46.1 | 46.1 | 45.2 |
Linear expansion coefficient aX10-6/ (20-1000) | 15.4 | 13.5 | 14.7 | 15.0 | 16.0 | 16.0 | 16.0 |
| Hardness HB | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 |
| Microstructure | Ferritic | Ferritic | Ferritic | Ferritic | Ferritic | Ferritic | Ferritic |
| Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic |
Applications
0Cr21Al6 Iron-chrome-aluminium electric resistor strip 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
application area
Our products are widely used in heat treatment equipment, auto
parts, iron and steel manufacturing,
aluminum industry, metallurgical equipment, petrochemical
equipment, glass machinery, ceramic machinery,
food machinery, pharmaceutical machinery, and power engineering
industry.
RFQ
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, we can produce 10KG,
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.
