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High Tensile Strength 12.7 mm PC Strand

12.7 mm PC Strand is 0.5 inches 7-wire steel strand for prestressed concrete. The first piece of 12.7 mm PC Strand was produced by us in the year 2007 and as per China National Standard GB/T5224 .

Product Description

12.7 mm PC Strand is 0.5 inches 7-wire steel strand for prestressed concrete. The first piece of 12.7 mm PC Strand was produced by us in the year 2007 and as per China National Standard GB/T5224 . For now , we produce it in accordance with standard ASTM A416 , have exported it to many countries in Americas .Our products have SGS inspected.

 

SPECIFICATIONS

12.7 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]
0.500[12.7] 36000[160] 0.144[92.9] 490[730]
Grade 270 [1860]
0.500[12.7] 41300[184] 0.153[98.7] 520[780]

12.7 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]
0.500[12.7] 3600[16.0] 32400[144.1]
Grade 270 [1860]
0.500[12.7] 4130[18.4] 37170[165.3]

12.7 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]
0.500[12.7] 0.003[0.076]
Grade 270 [1860]
0.500[12.7] 0.003[0.076]

 

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