Strands
PC WIRE
CHEMICAL PROPERTIES
|
C
|
Si
|
Mn
|
P
|
S
|
Cu
|
|
0.77-0.85
|
0.12-0.32
|
0.60-0.90
|
Max. 0.025
|
Max. 0.025
|
Max.0.20
|
MECHANICAL PROPERTIES
| DESCRIPTION | PC4 | PC5 | PC6 | PC7 | PC8 | PC9 |
|
DIAMETER (mm.)
|
4.00+0.05
|
5.00+0.05
|
6.00+0.05
|
7.00+0.05
|
8.00+0.05
|
9.00+0.05
|
|
CROSS SECTION AREA (mm.
|
12.57
|
19.64
|
28.30
|
38.48
|
50.32
|
63.62
|
|
UNIT WEIGHT (kgf./mm
|
98.7
|
154
|
222
|
302
|
395
|
499
|
|
DEPTH OF INDENT (mm
|
0.10-0.20
|
0.10-0.20
|
0.10-0.20
|
0.10-0.25
|
0.10-0.25
|
0.15-0.25
|
|
REVERSE BEND (times)
|
8
|
8
|
8
|
8
|
8
|
8
|
|
TENSILE STRENGTH (kgf./mm
|
185
|
185
|
185
|
175
|
175
|
175
|
|
YIELD STRENGHT AT 0.2% OFFSET (kgf./mm
|
165
|
165
|
165
|
165
|
165
|
165
|
|
ELONGATION (%)
|
4.5
|
4.5
|
4.5
|
4.5
|
4.5
|
4.5
|
|
MODULUS OF ELASTICITY (kgf./mm.
|
20,000
|
20,000
|
20,000
|
20,000
|
20,000
|
20,000
|
|
RELAXATION LOSS 1,000 hr. (%),max
|
2.0
|
2.0
|
2.0
|
2.0
|
2.0
|
2.0
|
PC STRAND
CHEMICAL PROPERTIES
|
C
|
Si
|
Mn
|
P
|
S
|
Cu
|
|
0.77-0.85
|
0.12-0.32
|
0.60-0.90
|
Max. 0.025
|
Max. 0.025
|
Max.0.20
|
MECHANICAL PROPERTIES
|
GRADE
|
1725 (250K.)
|
1860 (270K.)
|
||||||
|
9.53
3/8
|
12.7
1/2
|
15.24
0.6
|
9.53
3/8
|
12.7
1/2
|
15.24
0.6
|
||
|
DIAMETER (mm.)
|
9.27
|
12.44
|
15.16
|
9.52
|
12.80
|
15.30
|
||
|
CROSS SECTION AREA (mm.)
|
51.50
|
92.80
|
138.10
|
55.00
|
99.00
|
142.00
|
||
|
UNIT WEIGHT (kg/m)
|
0.405
|
0.730
|
1.090
|
0.430
|
0.778
|
1.110
|
||
|
PITCH (X)
|
14.0
|
14.0
|
14.0
|
14.0
|
14.015.30
|
14.0
|
||
|
BREAKING LOAD (kgf)
|
10,400
|
18,000
|
27,500
|
11,200
|
19,200
|
28,000
|
||
|
PROOF LOAD 1 % EXTENSION (kgf)
|
9,350
|
16,200
|
24,700
|
10,050
|
17,200
|
25,200
|
||
|
ELONGATION (%)
|
5.0
|
5.0
|
5.0
|
5.0
|
5.0
|
5.0
|
||
|
MODULUS OF ELASTICITY (kgf./mm.
|
19,800
|
19,800
|
19,800
|
19,800
|
19,800
|
19,800
|
||
|
RELAXATION LOSS 1,000 hr. (%),max.
|
2.0
|
2.0
|
2.0
|
2.0
|
2.0
|
2.0
|
||
Initial Load : 70% of Minimum Breaking Load (Estimated Figures By SIW’s Laboratory)
MESSENGER STRAND GALVANIZED
- ASTM A475; A363 CLASS A COATING
- EXTRA HIGH STRENGTH
1x7
|
STRAND
DIA. In. |
NET WEIGHT lbs/1000ft
|
NET WEIGHT kg/1000ft
|
MINIMUM lbs STRENGTH
|
MINIMUM kgs STRENGTH
|
%
Elongation |
|
1/4"
|
121
|
54.89
|
6650
|
3016.44
|
4
|
|
5/16”
|
205
|
92.99
|
11200
|
5080.32
|
4
|
|
3/8”
|
273
|
123.83
|
15400
|
6985.44
|
4
|
|
7/16”
|
399
|
180.99
|
20800
|
9434.88
|
4
|
|
1/2"
|
517
|
234.51
|
26900
|
12201.84
|
4
|
|
9/16”
|
671
|
304.37
|
35000
|
15876.00
|
4
|
|
5/8”
|
813
|
368.78
|
42400
|
19232.64
|
4
|