Ohmalloy Material Co.,Ltd
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Alloy 875/Cr25Al5 FeCrAl dia 0.09mm FCHR-1 Aluchrom-O wire
OHMALLOY142B is a kind of iron-chromium-aluminium alloy (FecCrAl alloy), which has the characteristics of high resistance, low resistivity, high working temperature and good high temperature corrosion resistance. It is suitable for temperatures up to 1250°C.
Typical applications of OHMALLOY142B are for electric ceramic stoves, industrial stoves, and heaters.
Normal composition%
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | Other |
| Max | |||||||||
| 0.06 | 0.025 | 0.025 | 0.70 | Max 0.60 | 23.0~26.0 | Max 0.60 | 4.5~6.5 | Bal. | |
Typical Mechanical properties
| Yield strength | Tensile Strength | Elongation |
| Mpa | Mpa | % |
| 500 | 700 | 23 |
Typical Physical properties
| Density (g/cm3) | 7.10 |
| Electrical resistivity at 20℃(Ωmm2/m) | 1.42 |
| Conductivity coefficient at 20℃ (WmK) | 13 |
| Coefficient of thermal expansion | |
| Temperature | Coefficient of Thermal Expansion x10-6/℃ |
| 20 ℃- 1000℃ | 15 |
| Specific heat capacity | |
| Temperature | 20℃ |
| J/gK | 0.46 |
| Melting point (℃) | 1500 |
| Max continuous operating temperature in air (℃) | 1250 |
| Magnetic properties | non-magnetic |
Temperature Factor of Electrical Resistivity
| 20℃ | 100℃ | 200℃ | 300℃ | 400℃ | 500℃ |
| 1 | 1.002 | 1.005 | 1.008 | 1.013 | 1.021 |
| 700℃ | 800℃ | 900℃ | 1000℃ | 1100℃ | 1200℃ |
| 1.038 | 1.040 | 1.042 | 1.044 | 1.046 | 1.047 |
Style of supply
| Alloys Name | Type | Dimension | |
| OhmAlloy142BW | Wire | D=0.03mm~8mm | |
| OhmAlloy142BR | Ribbon | W=0.4~40 | T=0.03~2.9mm |
| OhmAlloy142BS | Strip | W=8~250mm | T=0.1~3.0 |
| OhmAlloy142BF | Foil | W=6~120mm | T=0.003~0.1 |
| OhmAlloy142BB | Bar | Dia=8~100mm | L=50~1000 |
FAQ
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, for spool wire, we can produce 1 spool, about 2-3kg. For coil wire, 25kg.
2. How can you pay for small sample amount?
We have 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.