EN
Cr15Ni60 Nickel Chromium Alloy Wire for High Resistivity Electrical Heating Elements
Cr15Ni60 nickel chromium alloy wire provides stable electrical resistivity of 1.12 uOhm.m and continuous oxidation resistance up to 1150C. Engineered for reliable heating performance in household appliances, industrial heating elements, and precision resistors, manufactured by DLX with a monthly capacity of 1200 tons.
- Overview
- Features and Specifications
- Applications
- Advantage
- FAQ
- Recommended Products
Cr15Ni60 is an austenitic nickel-chromium-iron resistance heating alloy containing approximately 60 percent nickel, 15 percent chromium, and balance iron. Characterized by high electrical resistivity (1.12 uOhm.m at 20C), strong surface oxidation resistance, and excellent cold-ductility, it is widely utilized for domestic heating appliances and moderate-temperature industrial heating elements operating below 1150C.
Product Overview
Engineering high-efficiency heating elements requires resistance wires with uniform resistivity, mechanical stability during thermal cycling, and high oxidation resistance. Cr15Ni60 nickel chromium resistance wire delivers balanced thermal and electrical properties, making it one of the most cost-effective and reliable alloys for domestic and commercial electrical heating equipment.
During operation, Cr15Ni60 forms a dense, adherent chromium oxide surface layer that prevents further internal oxidation and degradation under high operating temperatures. Its high electrical resistivity enables compact element designs, while its superior ductile properties after annealing allow for tight coil winding, drawing, and shaping without risk of surface cracking or breakage. With tight resistance tolerance and consistent surface finishing, DLX provides customized Cr15Ni60 wire solutions across a full diameter range from ultra-fine wires to heavy-gauge coils.
Key Characteristics of Cr15Ni60 Heating Wire
- High Electrical Resistivity: Stable 1.12 uOhm.m resistivity allows compact element geometry and efficient heat dissipation.
- Long Service Life: Tenacious surface oxide layer ensures resistance to high-temperature scaling and chemical corrosion.
- Good Plasticity and Ductility: Fully annealed condition allows high-speed automated coiling and tight bending without fracture.
- Non-Magnetic Properties: Non-magnetic in annealed condition, minimizing electromagnetic interference in electrical circuits.
- Consistent Resistance Uniformity: Strict ingot melting and multi-pass cold drawing ensure batch-to-batch resistance variation within 3 percent.
Technical Specifications Table
| Parameter | Specification Value |
|---|---|
| Alloy Grade | Cr15Ni60 (Ni60Cr15 / Alloy 60) |
| Chemical Composition | Ni 57.0 - 62.0%, Cr 15.0 - 18.0%, Fe Balance, Si <= 1.5%, Mn <= 0.8% |
| Electrical Resistivity at 20C | 1.12 uOhm.m (1.12 ohm.mm2/m) |
| Maximum Continuous Operating Temperature | 1150 C |
| Melting Point | 1390 C |
| Density | 8.20 g/cm3 |
| Tensile Strength (Annealed) | 650 - 850 MPa |
| Elongation (Annealed) | >= 20% |
| Thermal Conductivity | 13.4 W/(m.K) |
| Linear Expansion Coefficient (20-1000C) | 17.0 x 10^-6 / K |
| Wire Diameter Range | 0.025 mm to 10.0 mm |
| Delivery Forms | DIN Spools, Coils, Straightened Rods, Ribbons |
| Minimum Order Quantity (MOQ) | 10 kg |
| Monthly Production Capacity | 1,200 tons/month |
Product Applications for Cr15Ni60 Resistance Wire
- Domestic Heating Appliances Cr15Ni60 is the industry standard heating material for open and enclosed domestic heating elements, including:
- Toasters, toaster ovens, and waffle makers
- Storage heaters and electric space heaters
- Clothes dryers and hair dryers
- Domestic water heating units and immersion heaters
- Electric irons, hot plates, and warming trays
- Industrial Heating and Tubular Elements
- Mica-supported heating cores and suspended coil heaters
- Enclosed tubular heating elements for ovens and molding machines
- Plastic welding and sealing machines
- Resistor Components and Control Devices
- Heavy-duty braking resistors for cranes and elevators
- Variable rheostats, potentiometers, and load banks
- Laboratory furnace heating coils
Why Choose DLX for Nickel Chromium Alloy Wires
-
Direct Factory Scale and Stable Capacity DLX operates full-process production lines covering vacuum induction melting, electroslag remelting, hot rolling, precision cold drawing, and continuous hydrogen annealing, achieving a monthly alloy output of 1,200 tons.
-
Precision Dimensional and Resistance Control Equipped with multi-die continuous wire drawing machines and online laser diameter gauges, DLX ensures tight diameter tolerances down to +/- 0.002 mm and uniform electrical resistance across the entire length of every spool.
-
Complete Surface and Packaging Solutions Wires are available with bright annealed, oxidized, or acid-pickled surfaces. Packaging options include standard precision DIN spools (DIN100 to DIN250), heavy coils, and custom wooden carton packaging to prevent tangling during transit.
-
Fast Global Delivery and Low MOQ Support With standard wire sizes maintained in stock, DLX supports rapid shipment, a flexible 10 kg MOQ for custom runs.
Frequently Asked Questions
- What is the main difference between Cr15Ni60 and Cr20Ni80 alloy wire?
Cr20Ni80 contains approximately 80 percent nickel and 20 percent chromium, offering a higher maximum service temperature (up to 1200C) and slightly higher oxidation resistance. Cr15Ni60 contains around 60 percent nickel and has a higher electrical resistivity (1.12 uOhm.m vs 1.09 uOhm.m for Cr20Ni80), making Cr15Ni60 more cost-efficient and ideal for household appliances and heating elements operating below 1150C.
- What surface conditions are available for Cr15Ni60 wire?
DLX supplies Cr15Ni60 wire in bright annealed condition (clean, metallic finish) and pre-oxidized condition (forming a protective dark oxide layer for immediate high-temperature operation). Both options provide smooth feeding in automated winding equipment.
- Can Cr15Ni60 resistance wire be easily welded or joined?
Yes, Cr15Ni60 exhibits good weldability. It can be joined using spot welding, TIG welding, silver brazing, or mechanical crimping to lead-out terminals and power connectors.
- What is the standard delivery time and sample policy for Cr15Ni60 wire?
Standard diameters in stock can be dispatched within 3 to 5 business days. Custom diameter drawing orders typically require 10 to 15 business days. DLX provides free 0.5 kg samples for testing and evaluation, with customer only covering courier freight.
