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Prestressed Material

High Tensile Strength low relaxation 15.24 mm PC Strand

15.24 mm PC Strand is the most commonly used steel strand specification. Very widely used in pretension and post-tension area. 


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SPECIFICATIONS

15.24 mm PC Strand parameters is as below,

15.24 mm PC Strand Breaking Strength

Nominal Diameter
of Strand, in. [mm]
Minimum Breaking
Strength of
Strand, lbf [kN]
Steel Area of
Strand, in. 2 [mm 2 ]
Weight [Mass] of
Strand lb/1000 ft
[kg/1000 m]
Grade 250 [1725]
0.600[15.24]54000[240]0.216[139]737[1090]
Grade 270 [1860]
0.600[15.24]58600[261]0.217[140]740[1100]

15.24 mm PC Strand Yield Strength

Nominal Diameter of
Strand in. [mm]
Initial Load, lbf [kN]Minimum Load at 1.0 %
Extension, lbf [kN]
Grade 250 [1725]
0.600[15.24]5400[24.0]48600[216.2]
Grade 270 [1860]
0.600[15.24]5860[26.1]52740[234.6]

15.24 mm PC Strand Diameter Relation Between Center and Outer Wires

Nominal Diameter of Strand, in.
[mm]
Minimum Difference Between Center
Wire Diameter and Diameter of Any
Outer Wire, in. [mm]
Grade 250 [1725]
0.600[15.24]0.004[0.102]
Grade 270 [1860]
0.600[15.24]0.004[0.102]



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