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PC Strand

 Prestressed Concrete Steel Strand
 Prestressed Concrete Steel Strand

Application
These PC strands are commonly applied in large concrete construction projects such as highways, bridges, airports, nuclear power plants, dams, and more.

Characteristic
The PC strand has outstanding ductility and low relaxation effects for excellent performance.

Specifications
ASTM A416/A416M-2006 Prestressed Concrete Strand
Grade Nominal Dia. in (mm) Tolerance Dia.in (mm) Min. Difference Between
Center Wire Diameter
and Diameter of Any
Outer Wire in (mm)
Nominal Steel Area
in2(mm2)
Nominal Weight
Lbs. /1000ft (g/m)
250 1/2(12.70) +0.016(+0.40)
-0.016(-0.40)
0.003(0.0762) 0.144(92.9) 490(730)
6/10(15.24) +0.016(+0.40)
-0.016(-0.40)
0.004(0.1016) 0.216(0.1016) 737(1094)
270 3/8(9.53) +0.026(+0.65)
-0.006(-0.15)
0.002(0.0508) 0.085(54.8) 290(432)
1/2(12.70) +0.026(+0.65)
-0.006(-0.15)
0.003(0.0762) 0.153(98.7) 520(775)
6/10(15.24) +0.026(+0.65)
-0.006(-0.15)
0.004(0.1016) 0.217(140.00) 740(1102)
Grade Nominal Dia.in (mm) Min Breaking Strength Lbs (KN) Min.Load at 1% Extension Lbs (KN) Min.Total elongation at Max Load
Low-Realaxation Norminal Relaxation in (mm) Jaw to jaw distance Elonggation
250 1/2 (12.70) 36000 (160.1) 32400 (144.1) 30600 (136.2) 24 (610) 3.5
6/10 (15.24) 54000 (240.2) 48600 (216.2) 45900 (204.2)
270 3/8 (9.53) 23000 (102.3) 20700 (92.1) 19580 (87.0) 24 (610) 3.5
1/2 (12.70) 41300 (183.7) 37170 (165.3) 35100 (156.1)
6/10 (15.24) 58600 (260.7) 52740 (234.6) 49800 (221.5)
Inital Load %Max.%Relaxation After 1000hrs
Low-Relaxation
70% Specified min.breaking strength 2.5
80% Specified min.breaking strength 3.5

BS 5896:1980 P.C. Strand

Strength Grade Nominal Dia. (mm) Tolerance Dia. (mm) Min. Increment Between Center Wire
Diameter and Diameter of Any Outer Wire, %
Nominal Cross-section Area
(mm2)
Nominal Weight
(kg/m)
1670 15.2 +0.40
-0.20
2 139 1090
1770 15.7 +0.40
-0.20
2 150 1180
1860 12.9 +0.40
-0.20
2 100 785
9.6 +0.30
-0.15
2 55 432
Strength Grade Nominal Dia. (mm) Min. Breaking Strength Min. 0.1% Proof Load Min. Total Elongation at Max. Load
Jaw to Jaw Distance (mm) Elongation, %
1670 15.2 232 197 500 3.5
1770 15.7 265 225
1860 12.9 186 158
9.6 102 87
Initial Load Max. Relaxation after 1000hrs, %
Low Relaxation
60% Specified min. breaking strength 1.0
70% Specified min. breaking strength 2.5
80% Specified min. breaking strength 4.5

GB/T 5224-2003 eqv. ISO6934-91(4) PC STAND

Grade Nominal Dia in (mm) Tolerance Dia in (mm) Center Wire Diameter Extra Nominal Steel Area(mm2) Nominal Weight(kg/m)
1720 15.20 +0.40
-0.20
2.5 140 1101
17.80 +0.40
-0.20
2.5 191 1500
1860 9.50 +0.30
-0.15
2.5 54.8 430
12.70 +0.40
-0.20
2.5 98.7 775
15.20 +0.40
-0.20
2.5 140 1101
17.80 +0.40
-0.20
2.5 191 1500
Grade Nominal Dia in (mm) Max. Load,KN Yield Load. KN Elongation %
1720 15.20 241 217 3.5
17.80 327 294
1860 9.50 102 91.8
12.70 184 166
15.20 260 234
17.80 353 318
Inital Load %Max.%Relaxation After 1000hrs
Low-Relaxation
70% Specified min.breaking strength 2.5
80% Specified min.breaking strength 4.5