What is the lead time for production?

Off-season lead time is within 15 workdays. During peak season, the lead time is approximately one month.

What is the chemical composition of the wire?

The composition includes 44% Ni, 1.50% Mn, 0.5% Fe, and balance Cu, with no Carbon, PCD, ET, or Hole content.

Constantan alloy Flat wire 6j40 Nickel copper flat wire

Name: Constantan alloy Flat wire 6j40 Nickel copper flat wire
Brand: Shanghai Tankii Alloy Material Co., Ltd.
SKU: 712305342

Shanghai, ChinaShanghai Tankii Alloy Material Co., Ltd.

US$25.00

20-99 kg

US$24.00

100-499 kg

US$22.00

500+ kg

Product profile

Customization

Available

Serves

Small Oreder Accepted

Sample Free

Available

Model NO.

6j40

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

7409400000

Production Capacity

200 Tons/Year

Key features

Low Temp Resistance Coeff: Moderate resistivity with low temperature coefficient and flat resistance/temperature curve.

Corrosion Resistance: Better corrosion resistance than Manganin, suitable for AC circuits.

Thermocouple Applications: Negative element for Type J (heat treating) and Type T (cryogenic) thermocouples.

High Tensile Strength: Cold rolled tensile strength reaches 680-1070 Mpa for durability.

Sample Available: Free samples are available for small orders to ensure quality.

Flexible Payment Terms: Supports LC, T/T, D/P, PayPal, Western Union, and Money Gram.

Fast Lead Time: Off-season lead time is within 15 workdays for quick delivery.

Global Export Experience: Exporting since 2008 to North America, Europe, Asia, and Africa.

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: ≤4.49hTerms 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 6j40 wire?

It is used as the negative element in Type J thermocouples for heat treating and Type T thermocouples for cryogenic temperatures. It is also suitable for AC circuits due to its flat resistance/temperature curve.

Q:Is the material resistant to corrosion?

Yes, Constantan shows better corrosion resistance than Manganin, making it durable for various industrial applications.

Q:What are the mechanical properties regarding tensile strength?

Annealed soft wire has a tensile strength of 340-535 Mpa, while cold rolled wire offers higher strength at 680-1070 Mpa.

Q:Do you offer free samples for small orders?

Yes, we accept small orders and provide free samples to ensure product quality before bulk purchase.

Q:What are the available payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, Small-amount payment, and Money Gram.