What are the main applications for this alloy?

It is widely used in car lights, electric vacuum industry, and other applications requiring controlled low expansion.

Controlled Low Expansion Glass Sealing Alloy Strip Kovar Strip

Name: Controlled Low Expansion Glass Sealing Alloy Strip Kovar Strip
Brand: Shanghai Tankii Alloy Material Co., Ltd.
SKU: 2151274015

Shanghai, ChinaShanghai Tankii Alloy Material Co., Ltd.

US$40.00

50 kg

Product profile

Customization

Available

Product Type

Strip

Material

Ni-Cr-Fe

Model NO.

Kovar 4J29

Carbon Content

Low Carbon

PCD

120mm

ET

15mm

Hole

OEM

Yes

colour

silver white

Sample

Small Order Accepted

surface

Bright

standard

GB/ASTM/JIS/BIS/DIN

State

Soft 1/4hard 1/2hard hard T-hard

Transport Package

Wooden Cases

Specification

SGS

Trademark

TANKII

Origin

Shanghai

HS Code

75052200

Production Capacity

2000t/Year.

Key features

Precise Chemical Composition: Contains 28.5-29.5% Ni, 16.8-17.8% Co, and balance Fe for stable performance.

Multiple Surface Finishes: Available in bright, bright annealed, polished, or black surface treatments.

Versatile Product Forms: Supplied as sheet, plate, bar, rod, wire, coil, capillary, pipe, or tube.

Wide Size Range: Thickness 0.1-40mm, diameter 1-200mm, and various lengths up to 4000mm.

Flexible Customization: OEM accepted with customizable colors like silver white and surface finishes.

Industry Standard Compliance: Meets GB, ASTM, JIS, BIS, and DIN standards for global quality assurance.

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: ≤3.57hTerms 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.