7 Wire PC Strand

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7 Wire PC Strand

The 7 wire PC strand features goodflexibility. It can be cut into different lengths according to actual needs. Ithas been widely used in large load and long-span PC units including bridges,railway sleepers, and housing projects.

Project items	Project length(km)	Running speed(km/h)	Finished or not
Qinghai-Tibet railway	1956	100	Finished
Shouzhou-Huanghua railway	588	70	Finished
Peking-Kowloon railway	2553	160	Finished
Peking-Tianjin high-speed railway	120	350	Finished
Harbin-Dalian high-speed railway	902	350	Not
Zhengzhou-Xi’an high-speed railway	485	350	Not
Shijiazhuang-Taiyuan high-speed railway	190	350	Not
Peking-Shijiazhuang high-speed railway	287	350	Not
Peking-shanghai high-speed railway	1318	350	Not

Key Parameter and ReferenceStandards

Appearance

Nominal dia.(mm)

Tensile strength (MPa)

Relaxation (1000h)

Standards

Seven wires in left- or right-twist

8.0, 9.3, 9.53 11.1, 12.5 12.7, 12.9 15.2, 15.24 15.7

1770,1860

Low relaxation ≤2.5%

ASTM A416

BS5896/3

En1038-3

AS/NZS4672

GB/T5224

KS7002

ISO6934/4

SS213620

JISG36094

NEN3868

Products with other standards and non-standard products for customers

The product comes in two wire-twisting forms: left twist and righttwist. Except the products with commonly seen diameters, we also supply PCstrand products with a diameter of 8.0mm,9.53mm, 12.5mm, or 12.9mm and with tensilestrength of 1770MPa or 1860MPa. In addition, 7 wire PC strands with otherstandards or nonstandard ropes are available upon request.

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