( DIN-2440 ) DIN EN 10255 NBR-5580

DIÂMETRO		ESPESSURA DE PAREDE	PESO TEÓRICO
NOMINAL	EXTERNO
inch”	mm	mm	kg/m
1/2	21.30	2,65	1,22
3/4	26.90	2,65	1,58
1	33.70	3,25	2,44
11/4	42.40	3,25	3,14
11/2	48.30	3,25	3,61
2	60.30	3,65	5,10
21/2	76.10	3,65	6,51
3	88.90	4,05	8,47
31/2	101.60	4,05	9,74
4	114.30	4,50	12,10
5	139.70	4,85	16,20
6	165.10	4,85	19,20

Tolerâncias:
Tolerances:
Espessura de Parede:	-12,5%
Diâmetro:	Tabelado para cada bitola
Para tubos galvanizados, acrescer 7% ao peso

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