Radiator copper and brass strips

Radiator copper and brass strips


Standard document: GOST 20707-80 - Radiator copper and brass strips


Material: M1, M2 and M3 with the chemical composition according to GOST 859-2001 (DSTU GOST 859:2003)L63, L90 with chemical composition according to GOST 15527-2004 (DSTU GOST 15527:2005)


Usage: The strips are used in producing cooling tubes and radiators.


Requirements: GOST 20707-80.


The thickness of the tape:
Copper - 0.07 mm to 0.25 mm
63 - 0.07 mm to 0.25 mm
90 - 0.07 mm to 0.25 mm
Strip width - from 14 mm to 200 mm.
Deviation for thickness and width of the tape according to GOST 20707-80.


Strips are made from:
63, 90 - soft, semisolid, solid
M1, M2, M3 - soft, solid
Camber strips no more than 3 mm to 1 m in length.


The surface of the tape must be clean and smooth. Permitted minor prints pinhole, scratches, tears, not putting out tapes at the control sweep for tolerances in thickness. Admitted discoloration, local redness, minor traces of lubricant technology.


On the tapes used for the manufacture of tubes of radiators, darkening and piercings are not allowed.




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