CEN EN 12449 Copper and copper alloys - Seamless, round tubes for general purposes
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European Committee for Standardization
Copper and copper alloys - Seamless, round tubes for general purposes
N EN 12449
Annotation
This European Standard specifies the composition, property requirements and tolerances on dimensions and form for seamless round drawn copper and copper alloy tubes for general purposes supplied in the size range from 3 mm up to and including 450 mm outside diameter and from 0,3 mm up to and including 20 mm wall thickness.
The sampling procedures and the methods of test for verification of conformity to the requirements of this European Standard are also specified.
NOTE Tubes having an outside diameter less than 80 mm and/or a wall thickness greater than 2 mm in certain alloys are most frequently used for free machining purposes which are specified in EN 12168.
Автоматический перевод:
Медные и медные сплавы - Бесшовные, круглые трубы в общих целях
Этот европейский стандарт определяет состав, имущественные требования и допуски на измерениях и форме для бесшовного раунда оттянутые медные и медные трубы сплава в общих целях, поставляемых в диапазоне размера от 3 мм до и включая 450-миллиметровый наружный диаметр и от 0,3 мм до и включая 20-миллиметровую толщину стенок.
