|
|
Tipo
do Aço |
Grade
símbolo |
Materiais
permitidos |
Tubos |
Chapas |
Peças
Forjadas |
Aço
carbono Grade A |
WPA |
A
106, Gr. A |
A
285, Gr. B e C |
A
105 |
Aço
Carbono Grade B |
WPB |
A
106, Gr. B |
A
212, Gr. A e B |
A
105 |
Aços
para curvas para soldas de Topo |
Tolerâncias
para conexões de Solda |
Diâmetro
Nominal DN |
Diâmetro Externo ob |
Expessura
de Parede |
45° e 90° |
180° |
Centro
a face C.M. |
Comprimento
Reduções H |
Comprimento
Caps E |
Centro A Face A
e B |
Centro A Centro
O |
Altura do Arco
K |
pol. |
pol. |
mm. |
pol. |
mm. |
pol. |
mm. |
pol. |
mm. |
pol. |
mm. |
pol. |
mm. |
pol. |
mm. |
pol. |
mm. |
2
1/2" |
+1/16-1/32 |
+1.6-0.8 |
não
menor de 87,5 % da parede nominal |
±1/16 |
±1.6 |
±1/4 |
±6.4 |
±1/4 |
±6.4 |
±1/16 |
±1.6 |
±1/16 |
±1.6 |
±1/8 |
±3.2 |
3"a
4" |
+1/16-1/32 |
+1.6-0.8 |
±1/16 |
±1.6 |
±1/4 |
±6.4 |
±1/4 |
±6.4 |
±1/16 |
±1.6 |
±1/16 |
±1.6 |
±1/8 |
±3.2 |
5"a
8" |
+3/32-1/16 |
+2.4-1.6 |
±1/16 |
±1.6 |
±1/4 |
±6.4 |
±1/4 |
±6.4 |
±1/16 |
±1.6 |
±1/16 |
±1.6 |
±1/4 |
±6.4 |
10"a
18" |
+5/32-1/8 |
+4.0-3.2 |
±3/32 |
±2.4 |
±3/8 |
±9.5 |
±1/4 |
±6.4 |
±3/32 |
±2.4 |
±3/32 |
±2.4 |
±1/4 |
±6.4 |
20"a
24" |
+1/4-3/16 |
+6.4-4.8 |
±3/32 |
±2.4 |
±3/8 |
±9.5 |
±1/4 |
±6.4 |
±3/32 |
±2.4 |
±3/32 |
±2.4 |
±1/4 |
±6.4 |
|