What is the surface roughness of the foil?

The surface roughness Ra is 0.04 micrometers or less, ensuring low roughness and high precision.

What standards does the product meet?

The product meets the ASTM standard and is manufactured under strict quality control procedures.

Ultra-Thin 3-5μm CuNi44 Constantan Foil Supplier for Precision Resistor Applications

Name: Ultra-Thin 3-5μm CuNi44 Constantan Foil Supplier for Precision Resistor Applications
Brand: Shanghai Tankii Alloy Material Co., Ltd.
SKU: 1998594811

Shanghai, ChinaShanghai Tankii Alloy Material Co., Ltd.

US$80.00

10-99 kg

US$76.00

100-499 kg

US$72.00

500+ kg

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Application

Electronics, Industrial, Chemical, Strain gauges, solid-state batteries,3C battery

Standard

ASTM

Model NO.

CuNi44

Type

Foil

Powder

Not Powder

Avantage

Low Roughness, Small Tolerance

Thickness

3-5μm

Width

80-210mm

Thickness accuracy

±0.1-0.2μm

Maximum tensile strength

1500MPa

Surface roughness Ra

0.04μm

Material

Copper Nickel Resistance Alloy

Resistivity

0.49 μΩ·m

Density

8.9 g/cm³

Transport Package

Coil, Wooden Case

Specification

(0.003~0.005mm)x(80mm~210mm)

Trademark

TANKII

Origin

China

HS Code

8108903100

Production Capacity

1000kg/Month

Key features

Excellent corrosion resistance High purity titanium material Excellent formability Good weldability Low density and high strength

Excellent biocompatibility Good thermal stability Suitable for precision applications

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: ≤3.54hTerms 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.