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18×7-WSC
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Rotation Resistant Steel Wire Rope Parameter Table (17×7/18×7 Series)
Nominal Diameter of Steel Wire Rope D/mm Reference Weight of Steel Wire Rope (kg/100m) Minimum Breaking Force of Steel Wire Rope (kN) Fiber Core (FC) Steel Core (IWR/WSC) 1670MPa 1770MPa 1870MPa 1960MPa 2160MPa Fiber Core Steel Core Fiber Core Steel Core Fiber Core Steel Core Fiber Core Steel Core Fiber Core Steel Core 12 56.2 61.9 74.5 78.9 79.0 83.6 83.5 88.3 87.5 92.6 96.4 102.0 13 65.9 72.7 87.5 92.6 92.7 98.1 98.0 103.7 103.0 109.0 113.0 120.0 14 76.4 84.3 101.0 107.0 108.0 114.0 114.0 120.0 120.0 126.0 131.0 139.0 16 99.8 110 130 137 140 148 149 157 157 165 171 181 18 126 139 168 177 178 188 188 199 196 208 217 230 20 156 172 207 219 219 232 232 245 243 257 268 283 22 189 208 251 265 266 281 281 297 294 311 324 343 24 225 248 298 316 316 334 334 353 350 370 386 408 26 264 291 350 370 371 392 392 415 411 435 453 479 28 306 337 406 429 430 455 455 484 481 504 525 555 30 351 387 466 493 494 523 523 552 552 579 603 638 32 399 440 530 561 562 594 594 628 622 658 686 725 34 451 497 598 633 634 670 671 709 709 702 743 774 36 505 557 671 710 711 752 751 795 795 787 833 868 38 563 621 748 791 792 838 837 887 887 877 928 967 40 624 688 828 876 878 929 928 981 981 972 1030 1071 42 688 759 913 966 968 1023 1020 1082 1082 1070 1130 1181 44 755 832 1000 1050 1060 1120 1122 1187 1187 1180 1240 1296 46 825 910 1100 1160 1160 1230 1227 1298 1298 1290 1360 1417 48 899 991 1190 1260 1260 1340 1336 1413 1413 1400 1480 1543 50 975 1080 1290 1370 1370 1459 1450 1533 1533 1520 1610 1674 52 1050 1160 1400 1480 1480 1570 1568 1659 1659 1650 1740 1811 54 1140 1250 1510 1600 1600 1690 1690 1789 1789 1770 1870 1953 56 1220 1350 1620 1720 1720 1820 1818 1923 1923 1910 2020 2100 58 1310 1450 1740 1840 1850 1950 1950 2063 2063 2040 2160 2253 60 1400 1550 1860 1970 1980 2090 2087 2208 2208 2190 2310 2411 Table Notes
Product Type
The data in this table applies to 17×7 and 18×7 series rotation-resistant steel wire ropes. These ropes feature a multi-layer, reverse-lay construction that effectively reduces rotational tendency, making them ideal for equipment with high stability requirements, such as tower cranes and mobile cranes.Parameter Definitions
- Reference Weight: Available in Fiber Core (FC) and Steel Core (IWR/WSC) versions. Steel core ropes typically have 5%–10% higher weight and breaking force than fiber core ropes.
- Minimum Breaking Force: A core safety indicator for wire ropes. The table lists values for tensile strength grades from 1670 to 2160 MPa, with higher values indicating greater load-bearing capacity.
- Conversion Note: The footer states "Total minimum breaking force of individual wires = Minimum breaking force of rope × 1.283". This factor is used in engineering calculations to quickly convert the total breaking force of individual wires.
Selection Recommendations
In practical engineering, select the appropriate diameter and core type based on the equipment's rated lifting capacity, safety factor (typically ≥5), and operating conditions (e.g., corrosion, abrasion).
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common problem
Q
What kind of lubricant can prevent wire rope damage?
A
First, the smooth oil has good fluidity and soaking ability, allowing it to quickly enter the inside of the rope and the rope core when the wire rope is smooth pretreated, and can play a role in preventing bacteria from multiplying inside the rope core fibers.
Second, the lubricating oil adhered to the wire rope will not be easily wiped off, and the smoothing effect will not be affected within the specified temperature range. In addition, the lubricating oil with adhesive function can also prevent skid, which provides assistance for the friction of the elevator wire rope.
Third, it has a high oil film strength, which can resist the extremely high pressure between the steel wires in contact with each other under extremely heavy load, and can also resist decomposition and transformation.
Fourth, smooth oil has high cohesion, which can avoid the dripping of smooth oil, centrifugal loss when there is no exercise, and avoid grease waste and pollution to other equipment.
Fifth, it does not contain ingredients that can cause corrosion and rust in the steel wire rope, and the effect of anti-corrosion and anti-rust is better.
Sixth, its self-correcting ability is strong. When the wire rope is used, it constantly twists and turns, which will cause the surface oil film to continuously knead and expand. This requires a soft and high-temperature oil film to maintain the rope body from cracking.
Second, the lubricating oil adhered to the wire rope will not be easily wiped off, and the smoothing effect will not be affected within the specified temperature range. In addition, the lubricating oil with adhesive function can also prevent skid, which provides assistance for the friction of the elevator wire rope.
Third, it has a high oil film strength, which can resist the extremely high pressure between the steel wires in contact with each other under extremely heavy load, and can also resist decomposition and transformation.
Fourth, smooth oil has high cohesion, which can avoid the dripping of smooth oil, centrifugal loss when there is no exercise, and avoid grease waste and pollution to other equipment.
Fifth, it does not contain ingredients that can cause corrosion and rust in the steel wire rope, and the effect of anti-corrosion and anti-rust is better.
Sixth, its self-correcting ability is strong. When the wire rope is used, it constantly twists and turns, which will cause the surface oil film to continuously knead and expand. This requires a soft and high-temperature oil film to maintain the rope body from cracking.
Q
What are the classifications of wire ropes?
A
1, electric hoist wire rope: 6 * 37 + FC- 11/13/15/17.5
2, tower crane wire rope and multi-strand non-rotating wire rope: 6 * 19 + FC- 12/12.5, 6 * 37-13/14, 6 * 29FI + FC- 12/12.5, 4v39s + 5FC- 12/13/14, 35W * 7-12/13/14
3, car crane does not rotate wire rope: 4V39S + 5FC- 10/12/13/14/16/17, 35W * 7-10/12/13/14/15/16/17/18/20/22
4, pile driver flat wire rope: K6K36WS + IWR-/17.5/24/26/28/30/32/34/36/40/42/46
5, rotary excavator flat wire rope: 35W * K7- 24/26/28/30/32/36/40
6, dock crane wire rope: 6 * 36WS + IWR- 17.5/19 5/21.5/24/26
7, mine wire rope 6 * 19 + FC- 12.5/14/15.5/17/18.5/21 5/24.5/26/28, 6 * 19S + FC- 12.5/14/15.5/17/18.5/21 5/24.5
8, elevator wire rope: 8 * 19S + FC- 10/11/12/13/16
9. Hot-dip galvanized hanging basket wire rope: 4 * 31WS + PPC- 8.3/8
10. Hot-dip galvanized wire rope: 6 * 19/6 * 37/6 * 36WS/8 * 61/8 * 36WS/
11, galvanized wire rope: 6 * 7 + FC-/2/3/4
6 * 19 + FC-5/6/7 7/9.3/11, 6 * 12 + 7FC-5/6/7. 7/9.3/11, 7 * 19-5/6/8/10, 19 * 7-4/5/6/8/10, 6 * 37 + FC-8.7/9 3/11/13/15/17.5/19.5
12. Large diameter wire rope: above 60MM
13. Wire rope rigging (insertion, pressing, pouring, connectors, etc.):
14, coated wire rope: 2-3/3 - 4/4-5/5-6/6 - 8/8-12/12-15
15, binding wire rope: 6 * 12/6 * 15-13/14/15
The front represents the structure, and the back represents the diameter. For example: 6 * 37 + FC-11, the representative structure is 6 * 37 + FC, diameter: 11MM
2, tower crane wire rope and multi-strand non-rotating wire rope: 6 * 19 + FC- 12/12.5, 6 * 37-13/14, 6 * 29FI + FC- 12/12.5, 4v39s + 5FC- 12/13/14, 35W * 7-12/13/14
3, car crane does not rotate wire rope: 4V39S + 5FC- 10/12/13/14/16/17, 35W * 7-10/12/13/14/15/16/17/18/20/22
4, pile driver flat wire rope: K6K36WS + IWR-/17.5/24/26/28/30/32/34/36/40/42/46
5, rotary excavator flat wire rope: 35W * K7- 24/26/28/30/32/36/40
6, dock crane wire rope: 6 * 36WS + IWR- 17.5/19 5/21.5/24/26
7, mine wire rope 6 * 19 + FC- 12.5/14/15.5/17/18.5/21 5/24.5/26/28, 6 * 19S + FC- 12.5/14/15.5/17/18.5/21 5/24.5
8, elevator wire rope: 8 * 19S + FC- 10/11/12/13/16
9. Hot-dip galvanized hanging basket wire rope: 4 * 31WS + PPC- 8.3/8
10. Hot-dip galvanized wire rope: 6 * 19/6 * 37/6 * 36WS/8 * 61/8 * 36WS/
11, galvanized wire rope: 6 * 7 + FC-/2/3/4
6 * 19 + FC-5/6/7 7/9.3/11, 6 * 12 + 7FC-5/6/7. 7/9.3/11, 7 * 19-5/6/8/10, 19 * 7-4/5/6/8/10, 6 * 37 + FC-8.7/9 3/11/13/15/17.5/19.5
12. Large diameter wire rope: above 60MM
13. Wire rope rigging (insertion, pressing, pouring, connectors, etc.):
14, coated wire rope: 2-3/3 - 4/4-5/5-6/6 - 8/8-12/12-15
15, binding wire rope: 6 * 12/6 * 15-13/14/15
The front represents the structure, and the back represents the diameter. For example: 6 * 37 + FC-11, the representative structure is 6 * 37 + FC, diameter: 11MM
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