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CuNi44 Copper Nickel Alloy Wire for Electronic Component
US$25.00
20 kg

Product profile

Customization

Available

Serves

Small Oreder Accepted

Sample Free

Available

Model NO.

CuNi44

Dia.

0.018-10mm

Surface

Bright

Package

spool

Product Name

Constantan wire/CuNi44 wire

Composition

copper nickel alloy

Product Type

Wire

Material

CuNi Alloy Wire

Carbon Content

None

PCD

None

ET

None

Hole

None

Transport Package

Coil Cartons, Pallet, Spools, Coils

Specification

ROHS, SGS

Trademark

TANKII

Origin

China

HS Code

7505220000

Production Capacity

2000 Tons/Year

Key features

Low Temp Resistance Coeff: Flat resistance/temperature curve over a wider range than manganins.
Superior Corrosion Resistance: Better corrosion resistance compared to manganin alloys.
Thermocouple Compatibility: Negative element for Type J (heat treating) and Type T (cryogenic) thermocouples.
Wide Diameter Range: Available in diameters from 0.018mm to 10mm for diverse applications.
High Tensile Strength: Cold rolled strength up to 1070 Mpa; annealed strength 340-535 Mpa.
Free Samples Available: Sample free service offered for small orders to facilitate testing.
Fast Off-Season Delivery: Lead time within 15 workdays during off-season periods.
ROHS Compliant Material: Material composition meets ROHS directive standards (Cd, Pb, Hg, Cr ND).

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: ≤3.06hTerms 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 is the temperature coefficient of resistance?
A:
Constantan wire features a low temperature coefficient of resistance with a flat resistance/temperature curve over a wider range than manganins.
Q:What are the main applications of CuNi44 wire?
A:
It is used in AC circuits, as the negative element for Type J thermocouples (heat treating) and Type T thermocouples (cryogenic temperatures).
Q:What are the mechanical properties of the wire?
A:
Annealed tensile strength is 340-535 Mpa with min 25% elongation. Cold rolled tensile strength is 680-1070 Mpa with min 2% elongation.
Q:What are the payment terms and lead times?
A:
Payment via LC, T/T, PayPal, etc. Lead time is within 15 workdays off-season and one month during peak season.
Q:Is customization available for small orders?
A:
Yes, small orders are accepted, and free samples are available for testing purposes.

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