Products >> Unbonded PC Strand

Description: Unbonded prestressed steel strand is used in post-tensioning prestressed

Specifications:
1x7 Wire- Diameter. 9.53mm, 12.7mm, 15.24mm, 15.7mm, 17.8mm, 21.6mm.

1x3 Wire- Diameter. 10.8mm, 12.9mm

1x2 Wire- Diameter. 10.0mm, 12.0mm.

1x19 Wire- Diameter. 21.6mm.

Standards:

ASTM A416/A416M-2006, ASTM A910-2005,

BS5896-1980, GB/T5224-2003, JISG3536.

Tensile Strength: 1470Mpa ~ 1960Mpa

Yield Strength: 1320Mpa ~ 1760 Mpa

Elongation: Not less than 3.5%

Initial Load: Not more than 70%

Relaxation(1000h): 2.5%

Type: Cold drawn wire

Raw Material: SWRH77B/82B Wire Rod

Packing Details: Standard Export Package (Wrapped by steel strips, waterproof cloth sheet, wooden pallet)

Coil Weight: 1.0 to 4.0 MT Per Coil(2.0-3.5 MT for most)

Coil Size: ID 0.70-0.72M, OD 1.0-1.5M, Width 0.76M
Uses: Mainly used as building material reinforcing strand for concrete structures such as Bridge Beam, Mining anchoring,Slope reinforcement, Dam reinforcement, offshore oil platform, Nuclear power plant, railway sleeper, bridges, railway station and multi-floor buildings.

Specifications of 1x7 Wire Structure Pre-stressed Concrete Strand:

Structure	Nominal Dia. (mm)	Tolerance (mm)	Cross section area (Sn/mm² )	Re. mass per 1m (g/m)	Tensile Strength Not Less Than (Rm/Mpa)	Yeild Strength Not Less Than (Fp0.2/Mpa)	Lo≥ 500mm)Agt Elangation at Max Load Not Less Than(%)	Initial Load to % of nominal max load not more than (%)	The relaxation at 1000h (r%)

1*7	9.50	+0.30 -0.15	54.8	430	1720 1860 1960	1550 1670 1760	3.5	60 70 80	1.0 2.5 4.5
	11.10		74.2	582
	12.70	+0.40 -0.20	98.7	775
	15.20		140	1101	1470 1570 1670 1720 1860 1960	1320 1410 1500 1550 1670 1760
	15.70		150	1178	1770 1860	1550 1670
	17.80		191	1500	1720 1860
	21.60		285	2237	1770	1590
					1860	1670