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Copper Clad Steel Coins

Price $4000.00
Min Order 10 Tons
Availability In Stock
Shipping From Zhejiang, China
Popularity 282 people viewed
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Model NO.:
H90/F11/F18/H90
Product Type:
Strip
Material:
C11000/SPHC
Carbon Content:
0.04%-0.19%
PCD:
Can Stretch Stamping
ET:
Nothing
Hole:
Nothing
Trademark:
Estar
Transport Package:
Wooden Support or Wooden Box or Iron Box
Specification:
thickness 0.5mm-4mm
Origin:
Ningbo
HS Code:
721260000
Product Description
A copper-steel composite material with good elongation, high bonding strength, low resistivity, high tensile strength and low cost is provided. A copper-steel-copper composite material is disclosed. Its chemical composition proportion is 5-20% of copper and 80-95% of steel, and its structure is composed of copper and steel. The invention also discloses the preparation method of copper-steel composite material. The preparation steps are as follows: after surface treatment, copper and steel are rolled into high-precision steel strip and high-precision copper strip by cold rolling mill; after surface cleaning, surface residues are removed and degreased; high-precision copper-steel composite strip is rolled by cold rolling mill; and copper-steel composite strip is annealed at 650-850 C in vacuum furnace. In 1-4 hours, the structural molecules of the composite layer of two kinds of metal materials are melted, and then cooled to room temperature in vacuum furnace; the two kinds of strips are compounded to make the strips compounded into one and finish rolling; the composite materials are smoothed and polished, and the strips are packed after shearing according to the requirements of users.




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