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Aluminium – Copper

Aluminium – Copper

TU 24.42.24-01075479902-2017 Strips of aluminum and aluminum alloys clad with copper (APM). Technical Requirements.

Description

Strip APM is made of aluminum with one-side (APM1) and double-side (APM2) copper coating.

Composition

aluminium-copper-en

  • Base – aluminum 1050A with chemical composition acc. to GOST 13726.
  • Coating – copper Cu-ETP with chemical composition acc.to GOST 859.

The thickness of cladding layer h varies from 8 to 12% of nominal thickness of the finished strip.

Classification and range

By type of coating:
  • one-side copper coating– APM1
  • double-side copper coating – APM2
By state of material:
  • soft (annealed)
By type of edge:
  • sheared edge

Technical characteristics

Type

Thickness H, mm

Thickness tolerance, mm

Width B, mm

Width tolerance, mm

Length, mm

Internal coil diameter

ØID, mm

Coil weight, kg

Strip

0,50

(±0,03)

40 – 200

(±0,5)

off-gage

400  / 500

40 – 300

1,00

(±0,05)

1,50

(±0,10)

Production of other sizes according to the agreed tolerance is possible.

Mechanical properties

Strip state

Ultimate tensile strength

σB, МPа

Elongation

δ, %

Annealed (S)

≥90

≥8

Application

For manufacturing of grounding contacts and other electrical engineering products.