Product Details

construction projects used steel material pc strand

1x7 steel wire ropes High quality and low price

1) Construction: 1x7

2) Diameter: 12.7mm,15.2mm,15.7mm

3) Length:1800-2200m / reel

4) Lay: right hand regular lay or left hand regular lay

5) Material: #77B, 82B

6) Core: fiber core & steel core

7) Package: soft coil, wooden or plastic reels, wooden case

8) Min breaking load: 1670Mpa, 1770Mpa, 1870Mpa

1X7 prestressed wire strand

1. Technical Specification: (prestressed wire strand)

2.Raw Material: (prestressed wire strand)

82B,77B High Carbon Steel Wire Rod SWRH 82B, 77B

3.Technology: (prestressed wire strand)

Continued drawing with large deduction stranding then stabilizing treatment.

4.Characteristics: (prestressed wire strand)

High rate of yield strength and ultimate strength, Low relaxation ,steady modulus of elasticity, stress relieved, high fixed with concrete.

5.Application: (prestressed wire strand)

For highways, bridge, building, key water control project, anchorange fabrics rising pulled componet part, nuclear power plant, etc.

6.Packing: (prestressed wire strand)

Wooden reel packing, coil packing, also can be pallet or as your requirements.

Steel wire strand

Mechanics properties of steel strand - ASTM A 416

Grade	Nominal diameter	Tolerance	Nominal Area of Section	Weight per 1000 meterS	Minimum Breaking load not less than	Minimum load at 1% Extension	Elongation not less than	The Relaxation at 1000h (initial load to 70% of nominal max load ) (r/%) Not more than
	(mm)	(mm)	(m2)	(kg)	(KN)	(KN)	(%)	Low Relaxation	Normal-Relaxation
	(mm)	(mm)	(m2)	(kg)	(KN)	(KN)	(%)	70% initial load	80% initial load
250	6.4	±0.40	23.2	182	40	36	3.5	2.5	3.5
	7.9		37.4	294	64.5	58.1
	9.5		51.6	405	89	80.1
	11.1		69.7	548	120.1	108.1
	12.7		92.9	730	160.1	144.1
	15.2		139.4	1094	240.2	216.2
270	9.5	0.65 -0.15	54.8	432	102.3	92.1	3.5	2.5	3.5
	11.1		74.2	582	137.9	124.1
	12.7		98.7	775	183.7	165.3
	15.2		140	1102	260.7	234.6