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CuNi40 Constantan Low resistance alloy ribbon Constantan Flat wire
US$25.00
20-99 kg
US$24.00
100-499 kg
US$22.00
500+ kg

Product profile

Customization

Available

Product Type

Wire

Material

CuNi Alloy Wire

Model NO.

CuNi40

Carbon Content

None

PCD

None

ET

None

Hole

None

Serves

Small Oreder Accepted

Sample Free

Available

Transport Package

Coil Cartons, Pallet, Spools, Coils

Specification

ROHS, SGS

Trademark

TANKII

Origin

China

HS Code

7409400000

Production Capacity

200 Tons/Year

Key features

Low Temperature Coefficient: Features a flat resistance/temperature curve over a wider range than manganins.
Corrosion Resistance: Shows better corrosion resistance compared to manganin alloys.
Thermocouple Application: Serves as the negative element for Type J and Type T thermocouples.
High Tensile Strength: Cold rolled tensile strength reaches 680-1070 Mpa for durability.
Free Sample Available: Customers can request free samples for small orders.
Fast Lead Time: Off-season lead time is within 15 workdays for quick delivery.
Global Export Experience: Exporting since 2008 to North America, Europe, and Asia.
Flexible Payment Terms: Accepts LC, T/T, PayPal, Western Union, and Money Gram.

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 wire?
A:
It is primarily used in AC circuits and as the negative element in Type J and Type T thermocouples for heat treating and cryogenic applications.
Q:How does Constantan compare to Manganin?
A:
Constantan offers a flat resistance/temperature curve over a wider range and exhibits better corrosion resistance than Manganin.
Q:What are the mechanical properties of the wire?
A:
Annealed soft tensile strength is 340-535 Mpa, while cold rolled is 680-1070 Mpa. Density is 8.9 g/cm3.
Q:Do you offer free samples?
A:
Yes, free samples are available for small orders.
Q:What are the payment terms?
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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