Home
About Us
Products
Usage Chart
Packaging
Production
Contact Us
Main Menu
Home
About Us
Products
Usage Chart
Packaging
Production
Contact Us
Data Sheet
Industry Links
Home
Products
Products
Physical Properties of Strand For Prestressed Concrete
StrandSize
Grade
Minimum
Diameter
Nominal
Dia in.
Maximum
Diameter
Nom Steel
Area in.
Load @ 1%
NR (lbf)
Load @ 1%
LR (lbf)
Minimum
B/S (lbf)
Minimum
Difference
Minimum
Elongation
Diameter Tolerance
Plus
Minus
3-Wire 250 & 270 Grade Strand For Prestressed Concrete
5/16" 250
250
0.324
0.340
0.356
0.058
12325
13050
14500
N/A
3.5%
0.016
0.016
5/16" 270
270
0.334
0.340
0.366
0.058
13311
14094
15660
N/A
3.5%
0.026
0.006
7-Wire 250 Grade Strand For Prestressed Concrete
1/4" 250
250
0.234
0.250
0.266
0.036
7650
8100
9000
0.001
3.5%
0.016
0.016
5/16" 250
250
0.307
0.313
0.329
0.058
12300
13050
14500
0.015
3.5%
0.016
0.006
3/8" 250
250
0.359
0.375
0.391
0.080
17000
18000
20000
0.002
3.5%
0.016
0.016
7/16" 250
250
0.422
0.438
0.454
0.108
23000
24300
27000
0.0025
3.5%
0.016
0.016
1/2" 250
250
0.484
0.500
0.516
0.144
30600
32400
36000
0.003
3.5%
0.016
0.016
.600" 250
250
0.584
0.600
0.616
0.216
45900
48600
54000
0.004
3.5%
0.016
0.016
7-Wire 270 Grade Strand For Prestressed Concrete
5/16" 270
270
0.307
0.313
0.339
0.059
13600
14400
16000
0.015
3.5%
0.026
0.006
3/8" 270
270
0.369
0.375
0.401
0.085
19550
20700
23000
0.002
3.5%
0.026
0.006
7/16" 270
270
0.432
0.438
0.464
0.115
26350
27900
31000
0.0025
3.5%
0.026
0.006
1/2" 270
270
0.494
0.500
0.526
0.153
35100
37170
41300
0.003
3.5%
0.026
0.006
1/2" Spec 270
270
0.494
0.500
0.526
0.167
38250
40500
45000
0.003
3.5%
0.026
0.006
9/16" 270
270
0.557
0.5625
0.589
0.192
43950
46530
51700
0.0035
3.5%
0.026
0.006
.600" 270
270
0.594
0.600
0.626
0.217
49800
52740
58600
0.004
3.5%
0.026
0.006
.700" 270
270
0.694
0.700
0.726
0.294
67500
71500
79400
0.005
3.5%
0.026
0.006
7-Wire 300 Grade Strand For Prestressed Concrete
3/8" 300
300
0.369
0.375
0.401
0.085
21675
22950
25500
0.002
3.5%
0.026
0.006
7/16" 300
300
0.432
0.438
0.464
0.115
29330
31050
34500
0.0025
3.5%
0.026
0.006
1/2" 300
300
0.494
0.500
0.526
0.153
39020
41310
45900
0.003
3.5%
0.026
0.006
1/2" Super 300
300
0.494
0.500
0.526
0.167
42590
45090
50100
0.003
3.5%
0.026
0.006
.600" 300
300
0.594
0.600
0.626
0.217
55340
58590
65100
0.004
3.5%
0.026
0.006
< Prev
Next >
[ Back ]
Popular
Products
Production Process
About Us
Standard Package Dimensions
Usage Chart