| BARRAS ROSCADAS GRADO 75, 80 – ASTM A615 |
| Designación |
Diámetro máximo |
Resistencia minima a la fluencia (fy) |
Área de sección transversal |
Carga de fluencia mínima (fy x As) |
Peso nominal |
|
mm |
in |
mm |
ksi |
MPa |
in² |
mm² |
kips |
kN |
lbs/ft |
kg/m |
| #6 |
19 |
0.86 |
22 |
22 |
75 |
0.44 |
284 |
33 |
147 |
1.5 |
2.23 |
| #7 |
22 |
0.99 |
25 |
25 |
75 |
0.6 |
387 |
45 |
200 |
02.04 |
03.04 |
| #8 |
25 |
1.12 |
28 |
28 |
75 |
0.79 |
510 |
59.3 |
264 |
2.67 |
3.97 |
| #9 |
29 |
1.26 |
32 |
32 |
75 |
1 |
645 |
75 |
334 |
3.4 |
05.06 |
| #10 |
32 |
1.43 |
36 |
36 |
75 |
1.27 |
819 |
95.3 |
424 |
4.3 |
6.4 |
| #11 |
36 |
1.61 |
41 |
41 |
75 |
1.56 |
1.006 |
117 |
520 |
5.31 |
7.9 |
| #14 |
43 |
1.86 |
47 |
47 |
80 |
2.25 |
1.452 |
180 |
801 |
7.65 |
11.38 |
| #18 |
57 |
2.50 |
64 |
80 |
552 |
4.00 |
2,581 |
320 |
1,423 |
13.60 |
20.24 |
| #20 |
63 |
2.72 |
69 |
80 |
552 |
4.91 |
3,168 |
393 |
1,748 |
16.70 |
24.85 |
| #24* |
75 |
3.18 |
81 |
75 |
517 |
7.06 |
4,555 |
529.5 |
2,355 |
24.09 |
35.85 |
| #28* |
90 |
3.68 |
94 |
75 |
517 |
9.62 |
6,206 |
721.5 |
3,209 |
32.79 |
48.8 |
| *Los tamaños de las barras roscadas no figuran en la lista de ASTM A 615, pero el límite elástico es conforme a la norma A615. |
| Nota: La tensión temporal máxima permitida es el 95% de la carga mínima de fluencia. |
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