Steel Rope for Prestressed Concrete

Diameter Range 9.53 - 17.78
Type Thermomechanical tempered
Relaxation Low relaxation
Standard ASTM and EN Standards
Package Weight 2000 - 4000 kg
Package Size Outer Diameter 1120 - 1350 mm
Inner Diameter 800 mm
Height 750 mm
Diameter Tolerance +0.65 , -0.15

 

Relaxation Properties

Maximum relaxation after 1000 hours
Breaking load 70% Breaking load 80%
max 2.5% max 3.5%

 

Material

Imported, C82D quality wire rods which contain high carbon and are alloyed with vanadium and chrome, are used as the row material.

 

Mechanical Properties

Diameter
Cross Section Ares
Weight
Yield Load
Breaking Load
Strecthing
mm inch. mm2 kg/1000mt kN kN %
9.53 3/8 54.8 432 92.1 102.3 3.5
11.11 7/16 74.2 582 124.1 137.9 3.5
12.70 1/2 98.7 775 165.3 183.7 3.5
13.20 0.52 107.7 844 180.1 200.2 3.5
14.29 0.56 123.9 970 207.0 230.0 3.5
15.24 6/10 140.0 1102 234.6 260.7 3.5
15.75 0.62 149.2 1173 249.7 277.4 3.5
17.78 7/10 189.7 1487 318.0 353.2 3.5