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Galvanized Steel Strand
Galvanized Steel Strand overview
Galvanized steel strand also call Galvanized metal wire.It’s made from low carbon steel wire rods by way of drawing, pickling, annealing, galvanizing and cooling processes. hot-dipped galvanized surfaces have excellent corrosion resistance.it also can be used for other purposes, according to customers' requirement.
Application of galvanizing of strand
Product Description
|
Wire diameter |
Permissible Variation |
Adherence Test |
Stress at 1% Extension |
Tensile strength |
Elongation in 250mm |
Zinc coating Class A |
|
|
mm |
mm |
Ration of Mandrel D to Wire D (Dia) |
Class A MPa（min） |
Class A MPa（min） |
Class A %（min） |
mm |
g/ m² |
|
|
|
|
|
|
|
1.60 to 1.90 |
198 |
|
1.60 to 2.30 |
+0.04/-0.03 |
3 |
1310 |
1450 |
3.0 |
over 1.90 to 2.30 |
214 |
|
over 2.30 to 3.05 |
+0.05/-0.05 |
4 |
1280 |
1410 |
3.5 |
over 2.30 to 2.70 |
230 |
|
over 3.05 to 3.60 |
+0.08/-0.05 |
5 |
1240 |
1410 |
4.0 |
over 2.70 to 3.10 |
244 |
|
over 3.60 to 4.80 |
+0.10/-0.08 |
5 |
1170 |
1380 |
4.0 |
over 3.10 to 3.50 |
260 |
|
|
|
|
|
|
|
over 3.50 to 3.90 |
270 |
|
|
|
|
|
|
|
over 3.90 to 4.50 |
275 |
|
|
|
|
|
|
|
over 4.50 to 4.80 |
305 |
ASTM A 475-2003
|
Nominal Diameter of Strand. Inch (mm) |
Number of Wires in Strand |
Nominal Diameter of Coated Wires in Strand. (mm) |
Approximate Weight of Strand(kg/Km) |
Minimum Breaking Strength of Strand (KN) |
||||
|
|
|
|
|
Utilities Grade |
Common Grade |
Siemens Martin Grade |
High Strength Grade |
Extra High Strength Grade |
|
3/16 (4.76) |
7 |
1.57 |
109 |
----- |
5.115 |
8.452 |
12.677 |
17.748 |
|
7/32 (5.56) |
3 |
2.64 |
131 |
----- |
6.228 |
10.409 |
15.569 |
21.796 |
|
7/32 (5.56) |
7 |
1.83 |
146 |
------ |
6.850 |
11.387 |
17.126 |
24.020 |
|
1/4 (6.35) |
7 |
2.03 |
180 |
------ |
8.452 |
14.012 |
21.129 |
29.581 |
|
9/32 (7.14) |
7 |
2.36 |
244 |
20.462 |
11.432 |
18.905 |
28.469 |
39.812 |
|
5/16 (7.94) |
7 |
2.64 |
305 |
----- |
14.234 |
23.798 |
35.586 |
49.820 |
|
3/8 (9.52) |
7 |
3.05 |
407 |
51.155 |
18.905 |
30.915 |
48.040 |
68.503 |
|
7/16 (11.11) |
7 |
3.68 |
595 |
80.068 |
25.355 |
41.591 |
64.499 |
92.523 |
|
1/2 (12.70) |
7 |
4.19 |
770 |
111.206 |
32.917 |
53.823 |
83.627 |
119.657 |
|
1/2 (12.70) |
19 |
2.54 |
751 |
------ |
33.895 |
56.492 |
84.961 |
118.768 |
|
9/16 (14.29) |
19 |
2.87 |
949 |
------- |
42.881 |
71.616 |
107.202 |
149.905 |
|
5/8 (15.88) |
19 |
3.18 |
1186 |
------- |
48.930 |
80.513 |
124.995 |
178.819 |
|
3/4 (19.05) |
19 |
3.81 |
1155 |
------- |
71.172 |
116.643 |
181.487 |
259.331 |