Compact PC Strand

7 Wire Compacted Strand ,Seven wire strand which after stranding has been compacted by drawing or rolling before stress relief treatment.

When stranding and compacting are carried out simultaneously, the straight central wire is at least the same diameter as the outer helical wires.

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SPECIFICATIONS

7 Wire Compacted Strand ,EN10138

Steel designation		Nominal ^a				Specified
Steel name	Steel number	Diameter D mm	Tensile strength Rm MPa	Cross- sectional area b Sn mm2	Mass per metre M g/m	Permitted deviation on mass per metre， %	Characteristic value of maximum force Fm kN	Maximum value of maximum force Fm, max kN	Characteristic value of 0,1 % proof force Fp0,1 kN
Y1700S7G	1.137	18,0	1 700	223	1 742	± 2	379	447	334
Y1820S7G	1.1371	15,2	1 820	165	1 289	± 2	300	354	264
Y1860S7G	1.1372	12,7	1 860	112	874,7	± 2	208	245	183
Y1860S7G	1.1372	15,2	1 860	165	1 289	± 2	307	362	270

Compact PC Strand , ASTM A779

Nominal Diameter of Strand		Specified Minimum Breaking Strength of Strand, lbf [kN]	Nominal Steel Area of Strand		Nominal Mass (Weight) of Strands lb/1000 ft [kg/1000 m]	Initial Load, lbf [kN]	Specified Minimum Load at 1 % Extension, lbf [kN]
in.	[mm]	Specified Minimum Breaking Strength of Strand, lbf [kN]	in. 2	[mm 2 ]	Nominal Mass (Weight) of Strands lb/1000 ft [kg/1000 m]	Initial Load, lbf [kN]	Normal-Relaxation	Low-Relaxation
Grade 270 [1860]
0.5	[12.7]	47 000 [209]	0.174	[112]	600 [890]	4700 [20.9]	40 900 [182]	42 300 [188]
Grade 260 [1800]
0.6	[15.2]	67 440 [300]	0.256	[165]	873 [1295]	6740 [30.0]	58 700 [261]	60 700 [270]
Grade 245 [1700]
0.7	[18.0]	85 430 [380]	0.346	[223]	1176 [1750]	8540 [38.0]	74 300 [330]	76 900 [342]

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