Prueba tablas
| Bar Designation Nominal Diameter & Pitch |
Minimum Net Area Thru Threads |
Grade 75 | Grade 80 | Nominal Weight |
Approx. Thread Major Dia. |
Part Number |
||
|---|---|---|---|---|---|---|---|---|
| Minimum Ultimate Strength |
Minimum Yield Strength |
Minimum Ultimate Strength |
Minimum Yield Strength |
|||||
| #6 – 3/4” – 5 (19 mm) |
0.44 in2 (284 mm2) |
44 kips (196 kN) |
33 kips (147 kN) |
46 kips (205 kN) |
35 kips (156 kN) |
1.5 lbs/ft (2.4 kg/m) |
7/8” (22.2 mm) |
R61-06 |
| #7 – 7/8” – 5 (22 mm) |
0.60 in2 (387 mm2) |
60 kips (267 kN) |
45 kips (200 kN) |
63 kips (280 kN) |
48 kips (214 kN) |
2.0 lbs/ft (3.0 kg/m) |
1” (25 mm) |
R61-07 |
| #8 – 1” – 3-1/2 (25 mm) |
0.79 in2 (510 mm2) |
79 kips (351 kN) |
59 kips (264 kN) |
83 kips (369 kN) |
63 kips (280 kN) |
2.7 lbs/ft (3.9 kg/m) |
1-1/8” (296 mm) |
R61-08 |
| #9 – 1-1/8” – 3-1/2 (29 mm) |
1.00 in2 (645 mm2) |
100 kips (445 kN) |
75 kips (334 kN) |
105 kips (467 kN) |
80 kips (356 kN) |
3.4 lbs/ft (5.1 kg/m) |
1-1/4” (32 mm) |
R61-09 |
| #10 – 1-1/4” – 3 (32 mm) |
1.27 in2 (819 mm2) |
127 kips (565 kN) |
95 kips (424 kN) |
133 kips (592 kN) |
102 kips (454 kN) |
4.3 lbs/ft (5.5 kg/m) |
1-3/8” (35 mm) |
R61-10 |
| #11 – 1-3/8” – 3 (36 mm) |
1.56 in2 (1006 mm2) |
156 kips (694 kN) |
117 kips (521 kN) |
164 kips (730 kN) |
125 kips (556 kN) |
5.3 lbs/ft (7.9 kg/m) |
1-1/2” (38 mm) |
R61-11 |
| #14 – 1-3/4” – 3 (43 mm) |
2.25 in2 (1452 mm2) |
225 kips (1001 kN) |
169 kips (750 kN) |
236 kips (1050 kN) |
180 kips (801 kN) |
7.65 lbs/ft (11.8 kg/m) |
1-7/8” (48 mm) |
R61-14 |
| #18 – 2-1/4” – 3 (57 mm) |
4.00 in2 (2581 mm2) |
400 kips (1780 kN) |
300 kips (1335 kN) |
420 kips (1868 kN) |
320 kips (1423 kN) |
13.6 lbs/ft (19.6 kg/m) |
2-7/16” (62 mm) |
R61-18 |
| #20 – 2-1/2” – 2-3/4 (64 mm) |
4.91 in2 (3168 mm2) |
491 kips (2184 kN) |
368 kips (1637 kN) |
516 kips (2295 kN) |
393 kips (1748 kN) |
16.7 lbs/ft (24.8 kg/m) |
2-3/4” (70 mm) |
R61-20 |
| #24 – 3” – 2-3/4 (76 mm) * |
6.82 in2 (4400 mm2) |
682 kips (3034 kN) |
512 kips (2277 kN) |
716 kips (3785 kN) |
546 kips (2429 kN) |
24.0 lbs/ft (35.8 kg/m) |
3-3/16” (81 mm) |
R61-24 |
| #28 – 3-1/2” – 2-3/4 (89 mm) * |
9.61 in2 (6200 mm2) |
961 kips (4274 kN) |
720 kips (3206 kN) |
1009 kips (4488 kN) |
769 kips (3421 kN) |
32.7 lbs/ft (48.6 kg/m) |
3-3/4” (95 mm) |
R61-28 |