What payment terms are accepted?

The accepted terms of payment are LC (Letter of Credit) and T/T (Telegraphic Transfer).

What is the tensile strength of the H90/F11/H90 composite?

The tensile strength for the H90/F11/H90 composite is between 265 and 365 Mpa.

How is the material prepared to ensure bonding strength?

The material is prepared by cold rolling, cleaning, degreasing, and annealing in a vacuum furnace at 650-850 C to melt structural molecules.

Copper Steel Composite Sheet F11

Name: Copper Steel Composite Sheet F11
Brand: Ningbo Estar Metal Material Co., Ltd.
SKU: 783944162

Zhejiang, ChinaNingbo Estar Metal Material Co., Ltd.

US$5,000.00-10,000.00

10 Tons

Sample price:US$10.00/kg.Request sample

Product profile

Customization

Available

Color

Copper

Material

Copper, C11000/SPHC/F11/F18

Model NO.

H90/F11/F18/H90

Product Type

Sheet

Carbon Content

Low Carbon

PCD

Customize as Needed

ET

Customize as Needed

Hole

Customize as Needed

Transport Package

Wood Pallet

Specification

brass / steel

Trademark

Estar

Origin

Ningbo

HS Code

721260000

Production Capacity

10000tons/Years

Key features

High Bonding Strength: Features good elongation and high bonding strength between copper and steel layers.

Military Grade Performance: High yield, dimensional accuracy, and lubricating effect reduce barrel wear in bullet manufacturing.

Customizable Dimensions: PCD, ET, and Hole specifications can be customized as needed by the user.

Low Resistivity: Provides excellent electrical conductivity with low resistivity compared to pure materials.

Corrosion Resistance: Combines high strength, heat resistance, and corrosion resistance for durable military applications.

Versatile Base Materials: Available with F11, F18, or SPHC steel bases clad with H90 copper.

High Production Efficiency: Continuous processing capability improves production efficiency for large-scale military products.

Excellent Surface Quality: Surface quality is comparable to pure copper, ensuring aesthetic and functional consistency.

Company profile

Ningbo Estar Metal Material Co., Ltd.

Zhejiang, China

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.