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Prestressed wire rope

Prestressed steel strand is a twisted steel cable composed of 2, 3, 7, or 19 high-strength steel wires. It can be divided into 7-wire, 2-wire, 3-wire, and 19 wire structures according to the number of steel wires, and the commonly used 7-wire structure. 

    Product overview:

    Prestressed steel strand is a twisted steel cable composed of 2, 3, 7, or 19 high-strength steel wires. It can be divided into 7-wire, 2-wire, 3-wire, and 19 wire structures according to the number of steel wires, and the commonly used 7-wire structure. The commonly used prestressed steel strands in prestressed steel strands are uncoated low relaxation prestressed steel strands, as well as galvanized ones, which are commonly used in bridges, buildings, water conservancy, energy, and geotechnical engineering. Non bonded prestressed steel strands are commonly used in floor slabs, foundation engineering, etc.

    Product Features:

    The main characteristics of prestressed steel strands are high strength and good relaxation performance, and they are also relatively straight when unfolded. The common tensile strength grade is 1860 megapascals, and there are also strength grades such as 1720, 1770, 1960, 2000, and 2100 megapascals. This type of steel also has a high yield strength.

    Technical Parameters

    Nominal

    diameter

     

    Nominal

    cross-sectional area

     

     

    Mass per meter

    Tolerance

    The specified

    characteristic value

    fracture load shall not be

    less than

    The specified

    characteristic

    value of 1% yield

    load shall not be

    less than

    The load at 1%

    elongation

    shall not be

    less than

    Diameter

    tolerance

    Cross-sectional

    area tolerance

    Weight

    tolerances

    15.2

    139

    1090

    +0.4

    -0.2

     

     

     

    All specifications

    +4%

    -2%

     

     

     

    All specifications

    +4%

    -2%

    232

    197

    204

    12.5

    93

    730

    +0.4

    -0.2

    164

    139

    144

    11.0

    71

    557

    +0.3

    -0.15

    125

    106

    110

    9.3

    52

    408

    +0.3

    -0.15

    92

    78

    81