12.7mm High Strength Low Relaxation PC Steel Wire Strand

• Certification: ISO
• Surface: Smooth
• Technique: Drawn Wire
• Application: Rope, Packaging, Manufacturing, Construction
• Alloy or Not: Non-alloy
• Standard: BS, JIS, GB, ASTM, DIN, AISI
• Model NO.: GS-210323-12
• Transport Package: Packed in Coil
• Specification: 12.5mm, 12.7mm, 15.24mm, 15.7mm
• Trademark: suntay
• Origin: Jiangsu, China
• HS Code: 731210
• Production Capacity: 100000tons/Year

Product Description

12.7mm High Strength Low Relaxation PC Steel Wire Strand
 

Application:Construction of post tensioning structures

Characteristic:High Ductility and Low Relaxation

Specifications:

ASTM A416/A416M-2006 PC Strand

Grade	Nominal Dia. in (mm)	Tolerance Dia.in(mm)	Min.Difference Between Center Wire Diameter and Diameter of Any outer Wire in(mm)	Nominal Steel Area In^2(mm^2)	Nominal WAEIGHT Lbs./1000ft(g/m)
250	1/2(12.70)	+0.016(+0.40) -0.016(+0.40)	0.003(0.0762)	0.144(92.9)	490(730)
	6/10(15.24)	+0.016(+0.40) -0.016(+0.40)	0.004(0.1016)	0.216(0.1016)	737(1094))
270	3/8(9.53)	+0.026(+0.65) -0.006(-0.15)	0.002(0.0508)	0.085(54.8)	290(432)
	1/2(12.7)	+0.026(+0.65) -0.006(-0.15)	0.003(0.0762)	0.153(98.7)	520(775)
	6./10(15.24)	+0.026(+0.65) -0.006(-0.15)	0.004(0.1016)	0.217(140.00)	740(1102)

Grade	Nominal Dia. in (mm)	Min. Breaking Strength Lbs(KN)	Min. Load at % Extension Lbs(KN)		Min. Total elongation at Max Load
			Low-Relaxation	Nominal Relaxation	In(mm) Jaw to jaw distance	Elongation
250	1/2(12.7)	36000(160.1)	32400(144.1)	30600(136.2)	24(610)	3.5
	6/10(15.24)	54000(240.2)	48600(216.2)	45900(204.2)
270	3/8(9.53)	23000(102.3)	20700(92.1)	15980(87.0)	24(610)	3.5
	1/2(12.7)	41300(183.7)	37170(165.3)	35100(156.1)
	6./10(15.24)	58600(260.7)	52740(234.6)	49800(221.5)

GB/T5224-2003 eqv.ISO6934(4)

Grade	Nominal Dia. in (mm)	Tolerance Dia.in(mm)	Center Wire Diameter Extra %	Nominal Steel Area (mm^2)	Nominal Weight (kg/m)
1720	15.20	+0.40 -0.20	2.5	140	1101
	17.80	+0.40 -020	2.5	191	1500
1860	9.50	+0.40 -0.20	2.5	54.8	430
	12.70	+0.40 -0.20	2.5	98.7	775
	15.20	+0.40 -0.20	2.5	140	1101
	17.80	+0.40 -0.20	2.5	191	1500

 

Grade	Nominal Dia. in (mm)	Max.Load,KN	Yield Load ,KN	Elongation %
1720	15.20	241	217	3.5
	17.80	327	294
1860	9.50	102	91.8
	12.70	184	166
	15.20	260	234
	17.80	353	318

 

Initial Load	%Max.% Relaxation After 1000hrs
	Low-Relaxation
70% Specified min. breaking strength	2.5
80% Specified min. breaking strength	4.5

BS5896:1980

Grade	Nominal Dia. in (mm)	Tolerance Dia.(mm)	Min. Difference Between Center Wire Diameter and Diameter of Any outer Wire in(mm)	Nominal Steel Area (mm^2)	Nominal WAEIGHT t(KgK/m)
1670	15.20	+0.40 -0.20	2	139	1090
1770	15.70	+0.40 -0.20	2	150	1180
1860	12.90	+0.40 -0.20	2	100	785
	9.60	+0.30 -0.15	2	55	432

 

Grade	Nominal Dia. in (mm)	Min. Breaking strength(KN)	Min.0.1% Proof Load(KN)	Min. Total elongation at Max Load
				Jaw to jaw distance(mm)	Elongation(%)
1670	15.20	232	197	500	3.5
1770	15.70	265	225
1860	12.90	186	158
	9.60	102	87

 

Initial Load	%Max %Relaxation After 1000hrs
	Low-Relaxation
60% Specified min. breaking strength	1.0
70% Specified min. breaking strength	2.5
80% Specified min. breaking strength	4.5

Note:We can supply and design as per cutomer's request