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8×K36WS-IWRC
A company specializing in the production, research and development, and sales of steel wire ropes. It develops and produces supporting services for elevator rope manufacturers, focusing on 6 * 19 steel wire ropes. At the
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8×K36WS-IWRC 是一款 8 股 K 型压实西瓦式股 + 独立钢丝绳芯 的高承载重型压实钢丝绳，结构紧凑、金属填充率高，兼具抗挤压、耐疲劳、低旋转特性，符合 GB/T 8918-2016《重要用途钢丝绳》标准，适用于履带吊主副钩、港口集装箱起重机、矿用提升设备、大型塔式起重机主起升机构等高频重载、多层缠绕的严苛作业工况。
型号含义拆解
型号部分 含义说明 8 外层为 8 个工作股，对称排列设计，配合交叉捻向结构抵消承载时的扭转扭矩，实现低旋转特性，避免重载吊装时吊钩打转、货物摆动 ×K36WS K 型压实西瓦式股（WS=Warrington-Seale 复合结构），每股由 36 根粗细交替钢丝排布而成，经冷压实工艺处理后股径缩小、钢丝贴合紧密，金属截面积利用率大幅提升，抗疲劳、抗磨损性能远超普通捻制股 -IWRC 绳芯为 独立钢丝绳芯（Independent Wire Rope Core），由独立钢绳捻制而成，提供极强的径向支撑力与抗挤压能力，适配重型设备的多层缠绕工况，避免绳体变形、断丝 一、基础结构参数
参数项 详细说明 结构组成 8 个 K 型压实西瓦式外层股 + 独立钢丝绳芯（IWRC，常规为 7×19 结构）；外层股与绳芯采用交叉捻向（外层右捻、芯左捻），绳体圆整度高，旋转扭矩低 钢丝材质 优质高碳钢（#82B、#925），经冷拔强化 + 股压实处理；外层股与绳芯钢丝表面可选热镀锌 / 电镀锌 / 光面，按需匹配防腐需求 表面处理 1. 热镀锌：镀层厚 30~60μm，适用于沿海高盐雾、矿山潮湿等中强腐蚀重载场景2. 电镀锌：镀层厚 8~15μm，适用于干燥室内重型起重工况3. 光面：无镀层，需定期加注专用润滑脂，适用于无尘高精度重载吊装场景 直径范围 常见 16~60mm，主流应用 26~52mm 重型提升 / 牵引场景 公称抗拉强度 高碳钢型：1770MPa、1960MPa、2160MPa（重载吊装优先选用 1960MPa 等级，兼顾强度与耐疲劳性） 重量系数 0.550~0.580（比同规格纤维芯型号重 18%~22%，比 PWRC (K) 塑封芯型号轻 5%~8%） 最小破断拉力系数 0.400~0.430（K 型压实工艺 + IWRC 绳芯协同作用，金属利用率比普通 8×36WS+FC 系列提升 18%~23%） 二、典型力学性能表（1960MPa 热镀锌 + IWRC 绳芯）
公称直径（mm） 参考重量（kg/100m） 最小破断拉力（kN） 适用场景 26 310 1120 履带吊副钩绳、港口抓斗起重机辅助绳 36 620 2250 塔式起重机主起升绳、矿用电铲辅助绳 44 920 3380 履带吊主钩绳、风电主机吊装绳 52 1270 4700 大型港口卸船机主绳、重型建筑构件吊装绳 注：热镀锌处理对破断拉力的影响小于 2%；IWRC 绳芯的刚性支撑特性，更适合对承载稳定性要求高的重型吊装场景。三、核心特性
- 高承载低旋转，适配重载精准作业8 股对称排列 + 交叉捻向设计，旋转扭矩低，重载吊装时无需额外防旋转装置，满足矿用电铲、履带吊等重型设备的高精度吊装需求，避免货物摆动引发安全隐患。
- 强抗挤压 + 耐磨损，适配多层缠绕工况K 型压实股的外层钢丝排列紧密，抗磨损能力强；IWRC 独立钢绳芯提供稳定径向支撑，能承受大型卷筒多层缠绕的挤压应力，减少股间变形、断丝风险，适配高频次起升下放作业。
- 耐疲劳性能优异，使用寿命长压实工艺让股内 36 根钢丝贴合紧密，大幅减少微动摩擦损耗；外层钢丝与滑轮、卷筒的接触应力分布均匀，耐疲劳性能是普通 8×36WS+FC 钢丝绳的 1.9~2.3 倍，降低设备运维成本。
- 防腐性能可控，适配多环境作业热镀锌镀层附着力强，可抵御沿海盐雾、矿山潮湿等腐蚀环境；搭配钢绳芯专用防腐润滑脂，能有效隔绝潮气，维护周期比纤维芯型号延长 60% 以上。
四、选型与使用要点
- 安全系数选择
- 履带吊 / 塔式起重机主起升：5~7 倍
- 港口集装箱起重机 / 矿用提升设备：6~8 倍
- 风电主机吊装：7~9 倍
- 严禁用于强酸碱腐蚀无防护、超高温（＞200℃）等极端工况
- 环境适配原则
- 干燥室内重型起重 → 电镀锌全绳型号
- 户外 / 矿山 / 沿海中强腐蚀环境 → 热镀锌型号，定期加注防腐润滑脂
- 强腐蚀环境 → 搭配聚氨酯（PU）护套，隔绝腐蚀介质
- 卷筒与滑轮匹配
- 卷筒直径 ≥ 钢丝绳直径的 24~29 倍
- 滑轮直径 ≥ 钢丝绳直径的 21~25 倍
- 滑轮槽底需为圆弧深槽精密加工，与绳径精准匹配，避免股丝受力不均引发断丝
- 维护注意事项
- 定期加注 钢绳芯专用防腐润滑脂，采用高压注脂设备，确保润滑脂渗透至股间和绳芯缝隙，不可使用纤维芯专用润滑脂
- 检查重点为 股端断丝、绳径磨损、镀层脱落、股间松动，出现单股 3 丝断丝时需立即报废
- 运输与存放时需盘卷整齐，避免挤压变形、尖锐物划伤镀层；长期存放置于干燥通风环境，定期检查防锈情况
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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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