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Constantan CuNi44 Wire resistance wire for electric elements
US$15.00
10 Pieces

Product profile

Customization

Available

Material

Copper and Nickel

Resistivity

0.49+-5%

Model NO.

CuNi44

Density

8.9(g/cm3)

Elongation

>25%

Melting Point

1280

State

Annealed and Hard

Surface

Bright

Other Name

Nc050

Transport Package

Spool/Coil, Carton, Wooden Case

Specification

RoHS, ISO 9001

Trademark

Tankii

Origin

China

HS Code

7505220000

Production Capacity

500 Tons/Year

Key features

Low Temperature Coefficient: Features a flat resistance/temperature curve over a wider range than manganins.
Superior Corrosion Resistance: Shows better corrosion resistance compared to manganins for durable performance.
Thermocouple Compatibility: Serves as the negative element for Type J and Type T thermocouples.
High Elongation: Elongation exceeds 25% ensuring flexibility and durability.
Precise Resistivity: Resistivity is 0.49 with a tolerance of +/-5%.
High Melting Point: Melting point reaches 1280 degrees Celsius for high-heat applications.
Versatile Surface Finish: Available in bright surface finish for various industrial needs.
ROHS Compliant: Meets ROHS directive standards with no hazardous substances detected.

Company profile

Shanghai Tankii Alloy Material Co., Ltd.
Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExhibition Experience
Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2008-08-20Nearest Port: Shanghai, NingboAverage Response Time: ≤3.86hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, CIP, CPT, FCA

AI-Powered supplier vetting

SummaryThe supplier is a Shanghai-based limited trading company with 41 employees, associated companies, and a product scope covering nickel-chromium alloys, FeCrAl alloys, thermocouple wire, copper-nickel alloys, thermal spraying wire, Constantan, Manganin, and related alloys. It reports customization from designs and samples, ODM service, and OEM service for popular brands. Service procedures, corrective actions, and complaint-handling records are documented and followed. However, it reports no valid manufacturing contract with affiliated subcontractors, no overseas warehouse, showroom, agent, or branch, no available SDK, and no new products during the past year. Financial-year references are provided, but financial strength cannot be assessed from the available non-financial evidence.
Supplier typeThe supplier is identified as a limited company and trading company located in Baoshan District, Shanghai. Its stated business scope centers on sales of metal materials, alloys, hardware, electrical equipment, and related products, indicating a trading-oriented business model rather than an explicitly documented owned manufacturing operation.
After-Sales capabilityThe supplier has written and followed procedures for service assessment, corrective and preventive actions, and customer complaints. It offers debugging, has in-stock capability, accepts several service quotation and payment methods, and reports service coverage across the Americas, Asia, Africa, and Europe, but has no overseas warehouse, showroom, agent, or branch.
R&D capabilityThe supplier offers ODM services and customization from designs and samples, but reports no new products during the past year, no available SDK, and no ERP-based digital management. Sustainable-development, big-data, and OA capability entries are recorded as zero, providing no positive evidence of structured innovation or digital transformation.
Production capacityThe supplier reports in-stock capability, a one-month peak-season lead time, an off-season lead time within 15 working days, and 50 qualified suppliers. However, it explicitly lacks a valid contract between the factory and affiliated subcontractors, while the company is classified as a trading company; owned production capacity is therefore not established and subcontracting governance presents a stated deficiency.
Customization capabilityThe supplier explicitly provides customization from customer designs and samples, offers ODM services, and reports OEM service for popular brands. These statements directly support capability for design-based and sample-based customization, although no technical scope, equipment, or project examples are provided.

Product Q&A

Q:What are the main applications of Constantan CuNi44 Wire?
A:
It is used in AC circuits, heat treating applications (Type J thermocouples), and cryogenic temperatures (Type T thermocouples).
Q:How does Constantan compare to Manganin?
A:
Constantan offers a flatter resistance/temperature curve over a wider range and better corrosion resistance than Manganin.
Q:What is the chemical composition of this wire?
A:
It contains 44% Nickel, 1.50% Manganese, 0.5% Iron, and the balance is Copper, with no detected hazardous elements.
Q:What is the lead time for this product?
A:
Peak season lead time is one month, while off-season lead time is within 15 workdays.
Q:What payment terms are accepted?
A:
We accept LC, T/T, D/P, PayPal, Western Union, Small-amount payment, and Money Gram.

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*To:Shanghai Tankii Alloy Material Co., Ltd.Shanghai Tankii Alloy Material Co., Ltd.
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