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Product profile
Customization
AvailableMaterial
C11000/SPHCProduct Type
StripModel NO.
H90/F11/F18/H90Carbon Content
Low CarbonPCD
Customize as NeededET
Customize as NeededHole
Customize as NeededTransport Package
Wooden PackagingSpecification
GB/TTrademark
EstarOrigin
NingboHS Code
721260000Production Capacity
5000Key features
Customizable Dimensions: PCD, ET, and Hole sizes can be customized as needed to meet specific user requirements.
High Bonding Strength: Copper-steel composite material features high tensile strength and excellent elongation properties.
Military Grade Performance: Ideal for bullet shells and detonators with high yield, dimensional accuracy, and corrosion resistance.
Low Resistivity: Composite structure ensures low resistivity while maintaining high strength and thermal stability.
Excellent Surface Quality: Surface quality comparable to pure copper with a lubricating effect to reduce barrel wear.
Vacuum Annealing Process: Annealed at 650-850 C in a vacuum furnace for 1-4 hours to melt structural molecules.
Versatile Material Options: Available with F11, F18, or SPHC steel bases and H90 copper cladding.
Global Sales Network: Products exported worldwide with unanimous praise from customers in military and industrial sectors.
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 trading company based in Zhejiang, China, specializing in metal materials with a focus on copper clad steel products. The company is certified under ISO9001 and ISO14000 and has a technological R&D center. Despite its small size, with only three employees, it maintains a significant export operation, with 71% to 90% of sales from exports. The company claims to have close ties with domestic and international military enterprises. Their lead time varies between one month and three months, depending on the season.
Supplier typeNingbo Estar Metal Material Co., Ltd. is classified as a trading company with a focus on the metal materials industry.
CertificationsThe company holds ISO9001 quality management and ISO14000 environmental management system certifications.
R&D capabilityThe company has a technology R&D center and claims technical achievements and practical patents, indicating some level of innovation capability.
Production capacityThe company operates two production lines with various machines and equipment, and its annual production output is between US$10 Million and US$50 Million.
Customization capabilityThe company specializes in designing and manufacturing stamping supporting molds and offers products in various fields, suggesting a degree of customization capability.
Client casesThe company maintains close cooperation with many domestic and foreign military enterprises, implying credible customer cases in the military sector.
Product Q&A
Q:Can the dimensions of the clad steel plate be customized?
A:
Yes, PCD, ET, and Hole sizes can be customized as needed to meet specific user requirements.
Q:What are the mechanical properties of the copper-steel composite?
A:
The material offers high tensile strength (265-455 MPa), high elongation (up to 43%), and excellent grain structure.
Q:Is this material suitable for military applications?
A:
Yes, it is widely used in military products like bullet shells and detonators due to its high strength and dimensional accuracy.
Q:What is the chemical composition of the steel base?
A:
Available steel grades include F11, F18, and SPHC with specific ranges for Carbon, Silicon, Manganese, and other elements.
Q:How is the copper-steel composite manufactured?
A:
It involves cold rolling, surface cleaning, vacuum annealing at 650-850 C, and final polishing and shearing.
Send Inquiry
*To:
Ningbo Estar Metal Material Co., Ltd.
Ningbo Estar Metal Material Co., Ltd.*Content:
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