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ASTM A1023 19x7 Rotation Resistant Category 2 Steel Wire Rope Manufacturers

Home / Products / Wire Rope / ASTM A 1023 Wire Rope / ASTM A1023 19x7 Rotation Resistant Category 2 Steel Wire Rope

ASTM A1023 19x7 Rotation Resistant Category 2 Steel Wire Rope
ASTM A 1023 Wire Rope

ASTM A1023 19x7 Rotation Resistant Category 2 Steel Wire Rope

The ASTM A 1023 classification 19x7 rotation-resistant--category 2 is a high-quality steel wire rope. In terms of its construction, the rope typically consists of 17 to 18 strands, with 10 to 13 outer strands and 2 layers of strands. Excluding the steel core, it contains 85 to 126 wires. Each strand has 5 to 7 wires, with 4 to 6 outer wires and 1 layer of wire.

It comes in a range of nominal rope diameters. For example, diameters range from 6 mm to larger sizes like 36 mm. Along with the diameter, it has corresponding reference weights. The fiber reference weight can range from 0.144 kg/m for a 6-mm diameter rope to 5.171 kg/m for a 36-mm diameter one.

The rope also has specified minimum breaking forces. For instance, at an intermediate diameter like 12 mm, the minimum breaking force can be around 83.6 KN (IPS at 1770) and 92.6 KN (EIP at 1960). Note that for final - galvanized ropes, the minimum breaking force is 10% lower than the listed values.

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  • Nominal Rope Diameter Approximate Nominal Length Mass Minimum Breaking Force ( KN )Ⓐ Diameter Range
    Fiber WSC IPS 1770 EIP 1960 Min Max
    in. (mm) lb/ft [kg/m] lb/ft [kg/m] Tons [KN] Tons [KN] in. in.
      6 0.10  0.144  0.10  0.151    20.9    23.1  0.236  0.248 
    1/4   0.11  0.161  0.11  0.169  2.51    2.77    0.250  0.263 
      7 0.13  0.196  0.14  0.205    28.4    31.5  0.276  0.289 
    5/16   0.17  0.251  0.18  0.264  3.90    4.30    0.313  0.328 
      8 0.17  0.255  0.18  0.268    37.2    41.1  0.315  0.331 
      9 0.22  0.323  0.23  0.339    47.0    52.1  0.354  0.372 
    3/8   0.24  0.362  0.26  0.380  5.59    6.15    0.375  0.394 
      10 0.27  0.399  0.28  0.419    58.1    64.3  0.394  0.413 
      11 0.32  0.483  0.34  0.507    70.2    77.8  0.433  0.455 
    7/16   0.33  0.493  0.35  0.517  7.58    8.33    0.438  0.459 
      12 0.39  0.575  0.41  0.603    83.6    92.6  0.472  0.496 
    1/2   0.43  0.644  0.45  0.676  9.85    10.8    0.500  0.525 
      13 0.45  0.674  0.48  0.708    98.1    109  0.512  0.537 
      14 0.53  0.784  0.55  0.821    114    126  0.551  0.579 
    9/16   0.55  0.814  0.57  0.855  12.4    13.6    0.563  0.591 
    5/8   0.68  1.006  0.71  1.056  15.3    16.8    0.625  0.656 
      16 0.69  1.021  0.72  1.073    149    165  0.630  0.661 
      18 0.87  1.293  0.91  1.358    188    208  0.709  0.744 
      19 0.97  1.440  1.02  1.513    210    232  0.748  0.785 
    3/4   0.97  1.448  1.02  1.521  21.8    24.0    0.750  0.788 
      20 1.07  1.596  1.13  1.676    232    257  0.787  0.827 
      22 1.30  1.931  1.36  2.028    281    311  0.866  0.909 
    7/8   1.32  1.971  1.39  2.070  29.5    32.5    0.875  0.919 
      24 1.54  2.298  1.62  2.413    334    370  0.945  0.992 
    1   1.73  2.574  1.82  2.703  38.3    42.2    1.000  1.050 
      26 1.81  2.697  1.90  2.832    392    435  1.024  1.075 
      28 2.10  3.128  2.21  3.285    455    504  1.102  1.157 
    1-1/8   2.19  3.258  2.30  3.421  48.2    53.1    1.125  1.181 
    1-1/4   2.70  4.022  2.84  4.224  59.2    65.1    1.250  1.313 
      32 2.75  4.086  2.88  4.291    594    658  1.260  1.323 
    1-3/8   3.27  4.867  3.43  5.111  71.3    78.4    1.375  1.444 
      36 3.47  5.171  3.65  5.430    752    833  1.417  1.488 
    1-1/2   3.89  5.792  4.09  6.082  84.4    92.8    1.500  1.575 
    1-5/8   4.57  6.800  4.80  7.142  98.4    108.0    1.625  1.706 
    1-3/4   5.30  7.886  5.57  8.288  114.0    125.0    1.750  1.838 

    Ⓐ Minimum breaking force for final-galvanized rope 10% lower than values listed.

    Note--To convert to kilonewtons(KN), multiply tons by 8.896.

  • Construction Of Rope Construction Of Strand
    ITEM QUANTITY ITEM QUANTITY
    Strands 17 to 18 Wires 5 to 7
    Outer strands 10 to 13 Outer wires 4 to 6
    Layers of strands 2 Layers of wire 1
    Wire in rope(excluding steel core) 85 to 126
    Typical Example Number Of Outer Wires
    ROPE STRAND TOTAL PER STRAND
    17x7 1-6 66 6
    18x7 1-6 72 6
    19x7 1-6 72 6
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