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Copper Lead Strips in Coil Form
Copper Lead Strips in Slit Form
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Copper Lead Strips in Slit Form

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1.Material of steel back and their hardness: we commonly adopt cold rolling carbon structure steel plates with high quality such as 08AL、10#、15#、20#,we can also adopt steel material according customers’ requests.

2. Surface roughness of steel back: Ra≤0.63um。

3. Allowable deviation of thickness:

Steel back: ±0.04mm

Total: ±0.03mm

4. The metallography microstructure of copper lead alloy must accord to the national standards ZBT12003-87.

5. The copper lead alloy layer and the steel back must be combined very firmly. The copper lead alloy layer will not separate from the steel back when curved 180° degree (when total thickness <= 3mm).

6. The relative density of copper lead alloy layer must not be less than 98%, so that it can meet the requirement of galvanization of dual or three elements soft metal. The galvanization player does not appear etch pit and spot.

7. Production scope :

Thickness: 0.7mm-15mm,

width : ≤260mm,

length :≤1000mm.

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