COPPER WELDING WIRE

COPPER WELDING WIRE


Standard document:
TU U 27.4-00195452-031-2003 - copper welding wire. Specifications


Material: copper wire rod according to TU U 27.4-00195452.006-2001 with a copper content of not less than 99.9% (including the silver content of not more than 0.015%)


Purpose: The wire is intended for use in the manufacture of metal packaging in the process of welding.

Diameter - 1.20 mm to 1.80 mm inclusive


Requirements for hire: TU U 27.4-00195452-031-2003.


Deviation for diameter:

Nominal diameter, mm

The cross-section, mm 2

Maximum deviation of diameter, mm

1,20

1,13

+0/-0.04

1,25

1,21

1,38

1,50

1,50

1,77

1,80

2,55

Electrical resistance wire DC at 20 ° C should be less than 0.01739 ohm × mm 2 / m

Mechanical properties:

Temporary
resistance, MPa

Relative
Elongation,% min

Yield strength, MPa

245-285

20

165-230

The wire is packed in a cardboard container or wrapped around the drum.

Weight of wire in a container - no more than 1,250 kg of a single segment.

Weight of wire on the drum no more than 500 kg.

The surface of the wire must be clean, dry, metallic, shiny. Tint is not allowed. Not allowed cracks, slivers, risks, shells, bundles, dents, scratches and other defects of depth greater than (after stripping control) tolerances on size.

In agreement with the consumer valuation of the oxide film.



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