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Constantan Alloy Wire (6J40)
US$20.00
10-99 kg
US$17.00
100-999 kg
US$15.00
1,000+ kg
Sample price:US$0.00/meter.Request sample
Product profile
Customization
AvailableMaterial
Cu NiName
ConstantanModel NO.
6J40Resistivity
0.48Product Type
WireCarbon Content
0PCD
SoftTransport Package
Coil+Sealant+CartonSpecification
0.07~4.5mmTrademark
REOUOrigin
ChinaHS Code
74094000Production Capacity
5ton/DayKey features
Wide Temperature Range: Operates effectively from -40 to +500 degrees Celsius with stable resistance.
Low Temperature Coefficient: Features a low temperature coefficient of resistance for high precision applications.
High Corrosion Resistance: Excellent corrosion resistance and easy soldering properties for durability.
OEM and ODM Services: Full OEM and ODM services available with 10 dedicated R&D engineers.
Fast Delivery Time: Standard delivery within 10-15 days after deposit receipt.
Premium Raw Materials: Manufactured using first-class copper-nickel raw materials and advanced technology.
Versatile Applications: Ideal for electric car controllers, instruments, strain gauges, and thermocouples.
Flexible Packaging: Customizable packaging options including coils, cartons, and wooden cases.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2010-03-03 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤9.29h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryThe supplier appears to be an established electrical and electronic products manufacturer with more than 10 production lines, a 12,000 m² manufacturing plant, 6–10 quality-control staff, and stated annual output above the disclosed threshold. It reports ISO9001:2015 and ISO14001:2015 management certifications, as well as CE, UL, GS, electromagnetic-radiation, SGS, and REACH certifications. The supplier states that it has 10 years of R&D-engineer experience, 8 years of staff experience, export sales representing 71%–90% of total sales, and export reach across more than 30 countries and regions. It offers OEM cooperation and accepts several quotation and payment terms. Trade records show transactions with one Vietnamese buyer, all registered in August 2025, but the limited number of recorded transactions does not establish broad customer diversification. After-sales capability and financial credibility cannot be fully assessed from the available evidence.
Supplier typeThe supplier is presented as a manufacturer in electrical and electronic products, with products including heating cables, alloy wires, thermocouple wire, and related cable products. More than 10 production lines and a 12,000 m² manufacturing plant support classification as a production-oriented supplier rather than only a trading intermediary.
CertificationsThe supplier states that it holds ISO9001:2015 and ISO14001:2015 certificates, along with CE, UL, GS, electromagnetic-radiation, SGS, and REACH certifications. These are explicit certifications relevant to quality management, environmental management, and product compliance.
R&D capabilityThe supplier reports 10 years of R&D-engineer experience and offers a diverse range of specialized heating, alloy-wire, and thermocouple products. These facts support technical development capability, but no evidence is provided on patents, new-product launches, proprietary technology, or formal R&D investment.
Production capacityThe supplier reports more than 10 production lines, 6–10 quality-control staff, a 12,000 m² plant, and lead times within 15 workdays in both off-peak and peak seasons. Trade records also show multiple shipments of new 5 V and 16 V wire products, providing direct evidence of production and delivery activity, although the transaction history is limited.
Customization capabilityThe supplier explicitly states that OEM cooperation is welcome, and its product keywords cover multiple cable, heating, and alloy-wire categories. This supports a stated ability to accommodate customized or OEM products, but the slices do not describe customization processes, tooling, minimum order quantities, or examples of completed customized projects.
Client casesThe supplier states that it has exported to more than 30 countries and regions, including markets in America, Europe, Africa, and Southeast Asia. Separately, the available trade records identify one Vietnamese buyer, CÔNG TY TNHH IGB AUTOMOTIVE VIỆT NAM, with five listed product records and a limited number of transactions; this confirms at least one identifiable customer case but does not independently verify the broader export claim.
Product Q&A
Q:What is the composition of Constantan 6J40?
A:
Constantan 6J40 is a copper-nickel alloy typically consisting of 55% Copper and 45% Nickel.
Q:Can you provide OEM and ODM services?
A:
Yes, we offer both OEM and ODM services with a team of 10 R&D engineers.
Q:What is the lead time for delivery?
A:
Delivery is normally 10-15 days after receiving the deposit, depending on quantity.
Q:What are the available packaging options?
A:
Options include coils on plastic spools with wooden cases, cartons, or custom requirements.
Q:What are the main applications for this wire?
A:
It is used in electric car controllers, instruments, strain gauges, thermocouples, and variable resistors.
Send Inquiry
*To:
Jiangyin Senphus Electrical Material Co., Ltd.
Jiangyin Senphus Electrical Material Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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