What are the electrical properties of Constantan?

Constantan is designed for precise temperature coefficients of resistivity and is used extensively for foil resistors and strain gauges.

Where are your main markets?

We export to North America, South America, Eastern Europe, Southeast Asia, Africa, the Middle East, and Western Europe.

Foil Cupronickel

Name: Tankii (CuNi1~CuNi44) CuNi Alloy Strip/Wire/Sheet/Foil Cupronickel
Brand: Shanghai Tankii Alloy Material Co., Ltd.
SKU: 1976809901

Shanghai, ChinaShanghai Tankii Alloy Material Co., Ltd.

US$26.00

30-99 kg

US$20.00

100-499 kg

US$19.00

500-2,999 kg

US$15.00

3,000+ kg

Product profile

Customization

Available

Color

bright

Shape

Wire

Model NO.

(CuNi1~CuNi44)

colour

silver white

standard

GB/ASTM/JIS/BIS/DIN

Sample

Small Order Accepted

surface

Bright

Density

8.9(g/cm3)

Transport Package

Waterproof Paper, Wooden Case

Specification

RoHS, SGS, ISO 9001: 2008

Trademark

TANKII

Origin

China

HS Code

7408220000

Production Capacity

5000 Ton/Yearton/Year

Key features

Wide Alloy Range: Available in CuNi1 to CuNi44 grades including Constantan and Manganin.

Multiple Forms: Offered as strip, wire, sheet, and foil in bright or silver white finish.

Precision Electrical Properties: Low pinhole levels in ultra-thin thicknesses ideal for foil resistors and strain gauges.

Global Standards Compliance: Manufactured to GB, ASTM, JIS, BIS, and DIN standards with ROHS compliance.

Flexible Order Options: Small orders accepted for samples with various payment methods including T/T and PayPal.

Fast Lead Time: Off-season delivery within 15 workdays; peak season within one month.

Non-Magnetic Property: Features austenite micrographic structure with non-magnetic characteristics.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExhibition Experience

Shanghai Tankii Alloy Material Co., Ltd.

Shanghai, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2008-08-20Nearest Port: Shanghai, NingboAverage Response Time: ≤3.27hTerms 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.