Our galvanized strand products
meet or exceed ASTM Specifications A475 and
ASTM A363. Strands are tested for:
- Minimum breaking strength.
- Elongation (High Strength 5%;
Extra High Strength and Utilities Grade 4%).
- Individual wire tolerances.
- Wire coating weight -- ASTM
Method A90.
- Wire wrap test for coating adherence.
- Wire wrap test for steel ductility.
- Preforming check.
Physical
properties of zinc-coated steel wire strand
| |
|
|
|
MINIMUM BREAKING
STRENGTH OF STRAND (LBS.) |
| Nominal
diameter
of strand
(in.) |
Number
of wires |
Nominal
diameter
of coated
wires (in.) |
Approx.
wt. of strand
(lb/1000 ft) |
Utilities
Grade |
High
Strength
Grade |
Extra-High
Strength
Grade |
|
3/16 |
7 |
.062 |
73 |
-- |
2850 |
3990 |
| 7/32 |
7 |
.072 |
98 |
-- |
3850 |
5400 |
|
1/4 |
7 |
.080 |
121 |
-- |
4750 |
6650 |
| 9/32 |
7 |
.093 |
164 |
-- |
6400 |
8950 |
|
5/16 |
7 |
.104 |
205 |
-- |
8000* |
11200* |
| 3/8 |
7 |
.120 |
273 |
11500* |
10800* |
15400* |
|
7/16 |
7 |
.145 |
399 |
18000 |
14500* |
20800* |
| 1/2 |
7 |
.165 |
517 |
25000 |
18800* |
26900* |
|
1/2 |
19 |
.100 |
504 |
-- |
19100 |
26700 |
| 9/16 |
7 |
.188 |
671 |
-- |
24500 |
35000 |
|
9/16 |
19 |
.113 |
637 |
-- |
24100 |
33700 |
| 5/8 |
7 |
.207 |
813 |
-- |
29600 |
42400 |
|
5/8 |
19 |
.125 |
796 |
-- |
28100 |
40200 |
| 3/4 |
19 |
.150 |
1155 |
-- |
40800 |
58300 |
|
7/8 |
19 |
.177 |
1581 |
-- |
55800 |
79700 |
| 1 |
19 |
.200 |
2073 |
-- |
73200 |
104500 |
|
1
1/8 |
37 |
.161 |
2691 |
-- |
91600 |
130800 |
| 1
1/4 |
37 |
.179 |
3248 |
-- |
113600 |
162200 |
*ASTM
A 363 (weldless) is also available in these
sizes and grades upon request
