Seven-wire PC Strand Astm a416

PC Strand ASTM A416 is produced in our factory as per two grades. 250KSI and 270KSI. It is low -relaxation seven-wire steel strand for use in prestressed concrete construction. The features of our PC Strand ASTM A416 is high tensile strength ; excellent bond strength ,as per ASTMA981 method ,requiring the displacement be 0.25mm ,the pull force is more than 35.6kN.

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USE

PC Strand For Prestressed Concrete ,PC Strand For Post Tension

SPECIFICATIONS

PC Strand ASTM A416 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]
0.250[6.4]	9000[40.0]	0.036[23]	122[182]
0.313[7.9]	14500[64.5]	0.058[37]	197[294]
0.375[9.5]	20000[89.0]	0.080[52]	272[405]
0.438[11.1]	27000[120]	0.108[69.7]	367[548]
0.500[12.7]	36000[160]	0.144[92.9]	490[730]
0.600[15.2]	54000[240]	0.216[139]	737[1090]
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 Strand ASTM A416 Yield Strength

Nominal Diameter of Strand in. [mm]	Initial Load, lbf [kN]	Minimum Load at 1.0 % Extension, lbf [kN]
Grade 250 [1725]
0.250[6.4]	900[4.0]	8100[36.0]
0.313[7.9]	1450[6.5]	13050[58.1]
0.375[9.5]	2000[8.9]	18000[80.1]
0.438[11.1]	2700[12.0]	24300[108.1]
0.500[12.7]	3600[16.0]	32400[144.1]
0.600[15.2]	5400[24.0]	48600[216.2]
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 Strand ASTM A416 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]
0.250[6.4]	0.001[0.025]
0.313[7.9]	0.0015[0.038]
0.375[9.5]	0.002[0.051]
0.438[11.1]	0.0025[0.064]
0.500[12.7]	0.003[0.076]
0.600[15.2]	0.004[0.102]
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]