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Prestressed Material

PC 7 Wire Strand 270k

PC 7 Wire Strand 270k is 1860 Mpa tensile strength seven-wire steel strand for prestressed concrete. We could provide and produce it as per ASTM A416/A416


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SPECIFICATIONS

PC 7 Wire Strand 270k  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 270 [1860]
0.375[9.53]23000[102]0.085[55]290[430]
0.438[11.1]31000[138]0.115[74.2]390[580]
0.500[12.7]41300[184]0.153[98.7]520[780]
0.520[13.2]45000[200]0.167[108]570[840]
0.563[14.3]51700[230]0.192[124]650[970]
0.600[15.2]58600[261]0.217[140]740[1100]
0.620[15.7]62800[279]0.231[150]780[1200]
0.700[17.8]79400[353]0.294[190]1000[1500]

PC 7 Wire Strand 270k Yield Strength

Nominal Diameter of
Strand in. [mm]
Initial Load, lbf [kN]Minimum Load at 1.0 %
Extension, lbf [kN]
Grade 270 [1860]
0.375[9.53]2300[10.2]20700[92.1]
0.438[11.1]3100[13.8]27900[124.1]
0.500[12.7]4130[18.4]37170[165.3]
0.520[13.2]4500[20.0]40500[180.1]
0.563[14.3]5170[23.0]46530[207.0]
0.600[15.2]5860[26.1]52740[234.6]
0.620[15.7]6280[27.9]56520[251.4]
0.700[17.8]7940[35.3]71500[318.0]

PC 7 Wire Strand 270k 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 270 [1860]
0.375[9.53]0.002[0.051]
0.438[11.1]0.0025[0.064]
0.500[12.7]0.003[0.076]
0.520[13.2]0.003[0.076]
0.563[14.3]0.0035[0.089]
0.600[15.2]0.004[0.102]
0.620[15.7]0.004[0.102]
0.700[17.8]0.0045[0.114]



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