High-Temp Alloy 875 Resistance Bar | 12mm Diameter | 1250°C Oxidation Resistance | Furnace Heating Element
High-Temp Alloy 875 Resistance Bar | 12mm Diameter | 1250°C Oxidation Resistance | Furnace Heating Element
Product brief introduction
Industrial NiCr80/20 Heating Rod | Ø12mm | UNS N06003 | 1200°C Continuous | IEC 60317 Applications: Sintering Furnaces • Glass Annealing Lehrs • Vacuum Heat Treatment
Material Technology
- Alloy Composition: Ni 80% | Cr 20% | Fe ≤0.5% | Mn 0.5% | Si 0.8% (ISO 18270)
- Critical Properties: Resistivity: 1.08 μΩ·m at 20°C | TCR: 0.00017/°C Oxidation Rate: <0.15 mg/cm²/hr at 1100°C (ASTM B76)
- Dimensions: Diameter: Ø12.0mm ±0.05mm | Length: 200-3000mm (±1mm) Surface: Centerless ground (Ra ≤1.0μm)
Certified Performance
Extreme Temperature Operation
- Lifespan: 10,000+ hours at 1200°C (oxidizing atmosphere)
- Thermal Cycling: 3,000 cycles (RT↔1200°C) without cracking
- Power Density: ≤4.0 W/cm² at 1200°C
- Oxidation Protection: Forms continuous Cr2O3 scale
Environmental Resilience
- Sulfur Resistance: <0.3mg/cm² weight gain at 800°C/H2S (ASTM G54)
- Vacuum Performance: Outgassing rate <1×10^(-6) mbar·L/s·cm²
- Cryogenic Stability: Maintains ductility at -196°C (LNG applications)
Application-Specific Validation
Industrial Furnaces
- Sintering furnaces: 8,000hr at1250°C in reducing atmosphere
- Carburizing systems: Carbon resistance up to 1.2% C-potential Glass Manufacturing
- Annealing lehrs: Alkali vapor resistance at 650°C | 5-year service life Advanced Systems
- Vacuum furnaces: Fe≤0.1% grade available (10^(-5) mbar)
- Semiconductor diffusion: SiO2-free certification
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(1.0mm)
| Yield strength | Tensile Strength | Elongation |
| Mpa | Mpa | % |
| 500 | 700 | 23 |
Typical Physical properties
| Density (g/cm3) | 7.10 |
| Electrical resistivity at 20ºC(mm2/m) | 1.42 |
| Conductivity coefficient at 20ºC (WmK) | 13 |
| Coefficient of thermal expansion | |
| Temperature | Coefficient of Thermal Expansion x10-6/ºC |
| 20 ºC- 1000ºC | 15 |
Temperature Factor of Electrical Resistivity
| 20ºC | 100ºC | 200ºC | 300ºC | 400ºC | 500ºC | 600ºC | 700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC | 1200ºC | 1300ºC |
| 1 | 1.002 | 1.005 | 1.008 | 1.013 | 1.021 | 1.030 | 1.038 | 1.040 | 1.042 | 1.044 | 1.046 | 1.047 |
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 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.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.