Tubos de cobre, classes E, A e I conforme normas da ABNT: NBR7417 e NBR 6318.

Diâmetro
Nominal
(mm)
CLASSE E
CLASSE A
CLASSE I
Diâmetro Externo
x
Esp. Parede
Kg/m
Pressão Serviço
Kgf/cm2
Diâmetro Externo
x
Esp. Parede
Kg/m
Pressão
Serviço
Kgf/cm2
Diâmetro Externo
x
Esp. Parede
Kg/m
Pressão Serviço
Kgf/cm2
15
15 x 0,50
0,203
41,0
15 x 0,70
0,281
60,0
15 x 1,0
0,393
88,0
22
22 x 0,60
0,360
34,0
22 x 0,90
0,533
50,0
22 x 1,0
0,590
60,0
28
28 x 0,60
0,462
26,0
28 x 0,90
0,685
40,0
28 x 1,2
0,903
55,0
35
35 x 0,70
0,675
25,0
35 x 1,10
1,047
40,0
35 x 1,2
1,139
45,0
42
42 x 0,80
0,927
24,0
42 x 1,10
1,264
35,0
42 x 1,4
1,597
42,0
54
54 x 0,90
1,343
21,0
54 x 1,20
2,780
28,0
54 x 1,4
2,069
34,0
66
66,7 x 1,20
2,209
23,0
66,7 x 1,30
2,389
25,0
66,7 x 1,4
2,568
28,0
79
79,4 x 1,20
2,637
19,0
79,4 x 1,50
3,283
24,0
79,4 x 1,6
3,498
27,0
104
104,8 x 1,20
3,493
14,0
104,8 x 1,50
5,354
18,0
104,8 x 2,0
5,777
20,0

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