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Copper Coated Steel Copper Clad Steel Strip Bimetal Strips
US$2,300.00-4,000.00
10 Tons
Sample price:US$10.00/kg.Request sample
Product profile
Customization
AvailableTransport Package
Wooden PackagingSpecification
brass / steelModel NO.
H1J11Trademark
EstarOrigin
NingboHS Code
721260000Production Capacity
5000Key features
High Bonding Strength: Copper-steel composite material features high bonding strength and good elongation.
Low Resistivity: Provides low resistivity and high tensile strength for efficient performance.
Military Grade Application: Widely used in bullet shells and detonators with high dimensional accuracy.
Barrel Protection: Surface brass reduces barrel wear and tear during shooting.
Cost Effective: Offers high strength and corrosion resistance at a low cost.
Customizable Dimensions: Strips can be sheared and packed according to specific user requirements.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2020-09-01Nearest Port: Ningbo, ShanghaiAverage Response Time: >24hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CIF, EXW
AI-Powered supplier vetting
SummaryNingbo Estar Metal Material Co., Ltd. is a China-based trading company established in 2020 with three employees, while the provided descriptions also present it as a research, production, and sales company for copper-clad steel, metal cups, strips, rods, tubes, special materials, molds, and military-related products. Evidence indicates access to substantial specialized equipment, two production lines, an enterprise R&D center, technical achievements, practical patents, ISO9001 and ISO14000 certifications, and production standardization practices. The supplier reports one-month off-season lead times and two-to-three-month peak-season lead times, accepts LC and T/T, and has self-operated import/export rights. However, the slices contain inconsistencies regarding company type, workforce size, R&D experience, export markets, and operational scale. After-sales capability, financial credibility, and specific customer cases are not sufficiently documented.
Supplier typeThe supplier is explicitly identified as a trading company or trading-company-type entity, legally organized as a limited company in China. Its own description additionally characterizes the business as conducting domestic R&D, production, and sales, but the legal and business-type records identify it primarily as a trading company.
CertificationsThe company description states that the enterprise technology R&D center has passed ISO9001 quality management system certification and ISO14000 environmental management system certification. It also reports production standardization and 6S management practices, providing explicit evidence of certification and management-system implementation.
R&D capabilityThe supplier reports an enterprise technology R&D center, multiple technical achievements and practical patents, specialized rolling, finishing, annealing, and straightening equipment, and a science-and-technology-focused R&D and production business. However, the reported total experience of R&D engineers is only one year, so the evidence supports the existence of innovation activity but provides limited evidence of deep R&D experience.
Production capacityThe slices list a compound rolling mill, 20-roll and six-high finishing mills, stretch-bending and straightening equipment, bell-type and continuous annealing furnaces, and two production lines. The supplier also reports one-month off-season lead times and two-to-three-month peak-season lead times, indicating stated production capacity, although the records contain inconsistencies between the three-person company profile and the broader production and quality-control claims.
Customization capabilityThe supplier explicitly states that it designs and manufactures various stamping-supporting molds and sells related production equipment and machines. Its product range includes specialized copper-clad materials, cups, strips, rods, tubes, and military stamping products, supporting customization capability for tooling and related material applications.
Product Q&A
Q:What is the chemical composition of the copper-steel composite?
A:
The composition is 5-20% copper and 80-95% steel, structured as copper-steel-copper.
Q:What are the main applications of this material?
A:
It is widely used in military products such as bullet shells and detonators.
Q:What are the mechanical properties of the material?
A:
It features high tensile strength, good elongation, and excellent grain size consistency.
Q:How is the material prepared?
A:
It is prepared by cold rolling, annealing in a vacuum furnace, and polishing.
Q:What are the payment terms?
A:
Payment terms include LC (Letter of Credit) and T/T (Telegraphic Transfer).
Send Inquiry
*To:
Ningbo Estar Metal Material Co., Ltd.
Ningbo Estar Metal Material Co., Ltd.*Content:
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