Shanghai Tankii Alloy Material Co.,Ltd
| Resistivity | 1.33±0.07μΩ·m |
| Standard | JB/T 5328/GB/T 15018 |
| Payment Terms | T/T |
| Delivery Time | 10-30days |
| Alloy Grade | 6J22 (Karma) |
| TCR | ≤±20×10⁻⁶/℃ |
| Thickness | 0.005-0.5mm |
| Thermal EMF vs Cu | ≤2.5μV/℃ |
| Application | Precision Resistor, Strain Gauge, Sensor, Thin Film Resistor |
| Max Operating Temperature | ≤300℃ |
| Packaging Details | Cardboard packaging+wooden box |
| Customization | Available |
| Supply Ability | 500ton/month |
| Width | Customized |
| Material | NiCrAlFe |
| Brand Name | TANKIN |
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Product Specification
| Resistivity | 1.33±0.07μΩ·m | Standard | JB/T 5328/GB/T 15018 |
| Payment Terms | T/T | Delivery Time | 10-30days |
| Alloy Grade | 6J22 (Karma) | TCR | ≤±20×10⁻⁶/℃ |
| Thickness | 0.005-0.5mm | Thermal EMF vs Cu | ≤2.5μV/℃ |
| Application | Precision Resistor, Strain Gauge, Sensor, Thin Film Resistor | Max Operating Temperature | ≤300℃ |
| Packaging Details | Cardboard packaging+wooden box | Customization | Available |
| Supply Ability | 500ton/month | Width | Customized |
| Material | NiCrAlFe | Brand Name | TANKIN |
| High Light | 0.005mm Thickness Precision Resistance Foil ，Custom Width Karma Alloy Foil ，Low TCR 6J22 Resistance Foil | ||
6J22 Karma Alloy Precision Resistance Foil
1. Product Overview
6J22 (Karma) is a nickel-chromium-aluminum-iron (NiCrAlFe) precision resistance alloy widely recognized as the material of choice for high-precision resistors and resistance strain gauges. Our 6J22 precision resistance foil is produced from high-purity raw materials through precision rolling and bright annealing, delivering uniform thickness, a clean bright surface and consistent electrical properties across the whole coil. Thickness ranges from 0.005 mm to 0.5 mm, with customized width available to match your etching, stamping or winding process.
2. Technical Specifications
Chemical composition: Ni balance; Cr 19.0-21.0%; Al 2.5-3.2%; Fe 2.0-3.0%; plus Mn, Si and trace elements.
Resistivity (20°C): 1.33 ± 0.07 μΩ·m
Temperature coefficient of resistance: ≤ ±20 × 10⁻⁶/°C
Thermal EMF vs copper (0-100°C): ≤ 2.5 μV/°C
Max. working temperature: ≤ 300 °C (250 °C recommended for precision resistors)
Elongation: > 7% Tensile strength: ≥ 780 N/mm²
Density: approx. 8.0-8.1 g/cm³
Thickness: 0.005 - 0.5 mm; Width: customized
Standard: JB/T 5328 / GB/T 15018, comparable to DIN and ASTM resistance alloy grades.
3. Features and Advantages
4. Applications
5. Customization
Width, thickness tolerance, temper (soft / half-hard / hard), coil weight, inner and outer diameter can be customized according to your drawing or specification. MOQ 10 kg. Samples are available for evaluation.
6. Quality and Standards
Produced and tested in accordance with JB/T 5328 / GB/T 15018. Material certificates and third-party inspection reports are available upon request. A complete quality management system is implemented throughout production.
7. Packaging and Shipping
Coils wound on spools or paid off into cartons with moisture-proof film, packed on export wooden pallets. Shipping by sea (LCL/FCL), air freight, or international express for samples. Port of shipment: Shanghai, China.
8. Payment and Service
Payment terms: T/T, L/C at sight, D/P, Western Union, PayPal. We provide free technical consultation, sampling support and after-sales service. Please send your inquiry for the latest quotation and lead time.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1981
Total Annual:
8000000-100000000
Employee Number:
90~100
Ecer Certification：
Verified Supplier
Shanghai Tankii Alloy Material Co., Ltd.specialized in production of Resistance Heating Alloy, Nickel Chromium Alloy, Iron Chromium Aluminum Alloy, Nickel Aluminum Alloy, Manganin, Copper Nickel Alloy, thermocouple wire, pure nickel and other precision alloy materials in the form of round wire, ribb... Shanghai Tankii Alloy Material Co., Ltd.specialized in production of Resistance Heating Alloy, Nickel Chromium Alloy, Iron Chromium Aluminum Alloy, Nickel Aluminum Alloy, Manganin, Copper Nickel Alloy, thermocouple wire, pure nickel and other precision alloy materials in the form of round wire, ribb...
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