Type
Seven-Wire strand
(Grade 250)
Seven-Wire strand
(Grade 270)
Prestressing wire
Prestressing bars
(Type I, plain)
Prestressing bars
(Type II, deformed)
Nominal Diameter
in.
Nominal Area
in2
Nominal Weight
lb/ft
1/4 (0.250)
5/16 (0.313)
3/8 (0.375)
7/16 (0.438)
1/2 (0.500)
(0.600)
3/8 (0.375)
7/16 (0.438)
1/2 (0.500)
(0.520)
(0.563)
(0.600)
(0.620)
(0.700)
0.192
0.196
0.250
0.276
3/4
7/8
1
1 - 1/8
1 - 1/4
1 - 3/8
5/8
3/4
1
1 - 1/4
1 - 3/8
1 - 3/4
2 - 1/2
3
0.036
0.058
0.080
0.108
0.144
0.216
0.085
0.115
0.153
0.167
0.192
0.217
0.231
0.294
0.029
0.030
0.049
0.060
0.44
0.60
0.78
0.99
1.23
1.48
0.28
0.42
0.85
1.25
1.58
2.58
5.16
6.85
0.122
0.197
0.272
0.367
0.490
0.737
0.290
0.390
0.520
0.570
0.650
0.740
0.780
1.000
0.098
0.102
0.170
0.204
1.50
2.04
2.67
3.38
4.17
5.05
0.98
1.49
3.01
4.39
5.56
9.10
18.20
24.09