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What does 19×7 wire rope mean?

24 6 月, 2024

Answer: The “19×7” in wire rope indicates it has 19 strands, each containing 7 wires, designed to minimize rotation under load.

This article will continue the discussion on 19×7 wire rope from the following aspects.

Outline

Class 19×7 Rotation Resistant Wire Rope Rotation Resistant Wire Rope 35X7, 19X7 19×7 Galvanized and Bright Wire Rope (Rotation Resistant) The difference between 19XK7 and 19×7 wire rope Rotation Resistant And Non-rotation Wire Ropes: 19xK7

Class 19×7 Rotation Resistant Wire Rope

Description

Class 19×7 wire rope is a type of rotation-resistant wire rope, designed to minimize the rotation under load, making it ideal for applications where load spin or rotation must be controlled. This wire rope consists of 19 strands with 7 wires per strand, creating a construction that offers flexibility and high resistance to rotation.

Features

Rotation Resistance: The primary feature of 19×7 wire rope is its ability to resist rotation, making it suitable for single-part hoisting and other applications where rotation of the load needs to be controlled.
Flexibility: With its 19 strands of 7 wires each, this construction provides good flexibility, which is essential for various lifting and hoisting operations.
Strength: While being rotation-resistant, 19×7 wire rope also maintains high strength, suitable for heavy-duty applications.
Durability: Made from high-quality steel, these ropes are designed for long-lasting performance, even in demanding environments.

Applications

Cranes and Hoisting Equipment: Particularly in single-part hoisting where rotation of the load is a concern.
Marine and Offshore: Used in shipyard cranes, offshore drilling platforms, and other marine applications.
Construction: Suitable for tower cranes, mobile cranes, and other lifting machinery in construction projects.
Mining: Employed in various lifting and lowering operations in mining applications.

Specifications

Diameter Range: Typically available in various diameters to suit different load requirements.
Breaking Load: High breaking load capacities, depending on the diameter and specific construction.
Material: Usually made from high tensile steel, sometimes galvanized for enhanced corrosion resistance.
Lay: Right regular lay or left regular lay, depending on the application requirements.

Technical Data

Diameter (mm)	Approx. weight (kg/100m)		Tensile strength (MPa)
			1570		1770		1960		2160
			Minimum breaking load (kN)
(mm)	FC	WC	FC	WC	FC	WC	FC	WC	FC	WC
6	14.0	15.5	17.5	18.5	19.8	20.9	21.9	23.1	24.1	25.5
7	19.1	21.1	23.8	25.2	26.9	28.4	29.8	31.5	32.8	34.7
8	25.0	27.5	31.1	33.0	35.1	37.2	38.9	41.1	42.9	45.3
9	31.6	34.8	39.4	41.7	44.4	47.0	49.2	52.1	54.2	57.4
10	39.0	43.0	48.7	51.5	54.9	58.1	60.8	64.3	67.0	70.8
11	47.2	52.0	58.9	62.3	66.4	70.2	73.5	77.8	81.0	85.7
12	56.2	61.9	70.1	74.2	79.0	83.6	87.5	92.6	96.4	102
13	65.9	72.7	82.3	87.0	92.7	98.1	103	109	113	120
14	76.4	84.3	95.4	101	108	114	119	126	131	139
16	99.8	110	125	132	140	149	156	165	171	181
18	126	139	158	167	178	188	197	208	217	230
20	156	172	195	206	219	232	243	257	268	283
22	189	208	236	249	266	281	294	311	324	343
24	225	248	280	297	316	334	350	370	386	408
26	264	291	329	348	371	392	411	435	453	479
28	306	337	382	404	430	455	476	504	525	555
30	351	387	438	463	494	523	547	579	603	638
32	399	440	498	527	562	594	622	658	686	725
36	505	557	631	667	711	752	787	833	868	918
40	624	688	779	824	878	929	972	1030	1070	1130
44	755	832	942	997	1060	1120	1180	1240	1300	1370
48	899	991	1120	1190	1260	1340	1400	1480	1540	1630
52	1050	1160	1320	1390	1480	1570	1640	1740	1810	1920
56	1220	1350	1530	1610	1720	1820	1910	2020	2100	2220
60	1400	1550	1750	1850	1980	2090	2190	2310	2410	2550

Maintenance

Regular inspection and maintenance are crucial to ensure the longevity and safe operation of 19×7 wire ropes. This includes checking for wear, corrosion, and any signs of damage, and lubricating the rope as required.

Conclusion

Class 19×7 rotation-resistant wire rope is a versatile and robust solution for many lifting and hoisting applications, offering a combination of strength, flexibility, and resistance to rotation, making it an ideal choice for industries ranging from construction to marine and mining.

For any specific requirements or additional technical details, please feel free to reach out.

Rotation Resistant Wire Ropes: 35X7 and 19X7

Overview

Rotation-resistant wire ropes like 35X7 and 19X7 are designed to minimize the rotation under load, making them ideal for various lifting and hoisting applications where controlling the rotation of the load is critical.

35X7 Rotation Resistant Wire Rope

Description

The 35X7 wire rope is a type of rotation-resistant wire rope, consisting of 35 strands with 7 wires per strand. This construction offers excellent flexibility and superior rotation resistance compared to other wire ropes.

Features

High Rotation Resistance: The design of 35 strands helps in distributing the load evenly, thereby reducing the tendency to rotate under load.
Superior Flexibility: The 35X7 construction provides exceptional flexibility, making it suitable for complex lifting operations.
High Strength: This wire rope maintains high breaking strength, suitable for demanding applications.
Durability: Constructed from high-quality steel, it is designed to withstand harsh environments and heavy-duty use.

Applications

Cranes and Hoisting Equipment: Ideal for single-part and multi-part lifting applications in cranes.
Marine and Offshore: Used in shipyards, offshore platforms, and other marine environments.
Construction: Suitable for tower cranes, mobile cranes, and other lifting machinery in construction.
Mining: Employed in lifting operations in mining applications.

Specifications

Diameter Range: Available in various diameters to meet different load requirements.
Breaking Load: High breaking load capacities, depending on the diameter and specific construction.
Material: Typically made from high tensile steel, sometimes galvanized for corrosion resistance.
Lay: Right regular lay or left regular lay, as required by the application.

19X7 Rotation Resistant Wire Rope

Description

The 19X7 wire rope is another type of rotation-resistant wire rope, consisting of 19 strands with 7 wires per strand. This construction is known for its balance between flexibility and rotation resistance.

Features

Rotation Resistance: Designed to minimize rotation under load, suitable for single-part hoisting.
Good Flexibility: With 19 strands, it offers a good balance of flexibility and strength.
High Strength: Maintains significant breaking strength for various heavy-duty applications.
Durability: Made from high-quality steel, ensuring long-lasting performance.

Applications

Cranes and Hoisting Equipment: Suitable for single-part hoisting and other lifting applications.
Marine and Offshore: Utilized in shipyards, offshore platforms, and other marine applications.
Construction: Used in tower cranes, mobile cranes, and other lifting machinery.
Mining: Suitable for various lifting operations in mining.

Specifications

Diameter Range: Available in different diameters to meet various load requirements.
Breaking Load: High breaking load capacities, depending on the diameter and specific construction.
Material: Typically made from high tensile steel, sometimes galvanized for enhanced corrosion resistance.
Lay: Right regular lay or left regular lay, depending on the application requirements.

Maintenance

Regular inspection and maintenance are essential to ensure the longevity and safe operation of both 35X7 and 19X7 wire ropes. This includes checking for wear, corrosion, and any signs of damage, and lubricating the ropes as required.

Conclusion

Both 35X7 and 19X7 rotation-resistant wire ropes offer robust solutions for various lifting and hoisting applications. Their design minimizes rotation, making them ideal for critical operations in industries ranging from construction and marine to mining.

For any specific requirements or additional technical details, please feel free to reach out.

19×7 Galvanized and Bright Wire Rope (Rotation Resistant)

Overview

19×7 wire rope is a rotation-resistant wire rope that comes in two main finishes: galvanized and bright. Galvanized wire rope is coated with zinc to provide extra protection against corrosion, while bright wire rope is uncoated, providing a natural steel finish. Both types are designed to minimize rotation under load, making them suitable for various lifting and hoisting applications.

19×7 Galvanized Wire Rope

Description

19×7 galvanized wire rope consists of 19 strands with 7 wires per strand, with each wire being coated with a layer of zinc. This zinc coating helps protect the wire rope from rust and corrosion, making it ideal for use in harsh environments.

Features

Corrosion Resistance: The galvanized coating provides excellent protection against rust and corrosion, extending the rope’s lifespan.
Rotation Resistance: Designed to minimize rotation under load, which is crucial for precise lifting operations.
Flexibility: The 19×7 construction offers good flexibility, making it suitable for various lifting and hoisting tasks.
Strength: Maintains high breaking strength, suitable for heavy-duty applications.

Applications

Marine and Offshore: Ideal for shipyards, offshore platforms, and other marine environments where corrosion resistance is essential.
Construction: Suitable for tower cranes, mobile cranes, and other lifting machinery in construction projects.
Cranes and Hoisting Equipment: Perfect for single-part hoisting where rotation of the load is a concern.
Mining: Used in various lifting and lowering operations in mining applications.

Specifications

Diameter Range: Available in various diameters to suit different load requirements.
Breaking Load: High breaking load capacities, depending on the diameter and specific construction.
Material: High tensile steel, galvanized for enhanced corrosion resistance.
Lay: Right regular lay or left regular lay, as required by the application.

19×7 Bright Wire Rope

Description

19×7 bright wire rope is the same construction as the galvanized version but without the zinc coating. This provides a natural steel finish and is suitable for environments where corrosion is less of a concern.

Features

Rotation Resistance: Designed to minimize rotation under load, suitable for precise lifting operations.
Flexibility: The 19×7 construction offers good flexibility, ideal for various lifting and hoisting tasks.
Strength: Maintains high breaking strength, suitable for heavy-duty applications.
Cost-Effective: Typically less expensive than galvanized wire rope, making it a cost-effective option for indoor or less corrosive environments.

Applications

Cranes and Hoisting Equipment: Ideal for single-part hoisting where rotation of the load is a concern.
Construction: Suitable for tower cranes, mobile cranes, and other lifting machinery in construction projects.
Industrial: Used in various industrial applications where corrosion resistance is not a primary concern.
Mining: Employed in various lifting operations in mining.

Specifications

Diameter Range: Available in different diameters to meet various load requirements.
Breaking Load: High breaking load capacities, depending on the diameter and specific construction.
Material: High tensile steel with a bright, uncoated finish.
Lay: Right regular lay or left regular lay, depending on the application requirements.

Maintenance

Regular inspection and maintenance are crucial to ensure the longevity and safe operation of both 19×7 galvanized and bright wire ropes. This includes checking for wear, corrosion, and any signs of damage, and lubricating the ropes as required.

Conclusion

Both 19×7 galvanized and bright wire ropes offer robust solutions for various lifting and hoisting applications. Galvanized wire rope provides enhanced corrosion resistance, making it suitable for harsh environments, while bright wire rope offers a cost-effective solution for indoor or less corrosive conditions. Both types are designed to minimize rotation, ensuring precise and safe lifting operations.

For any specific requirements or additional technical details, please feel free to reach out.

Differences Between Compacted 19XK7 and 19×7 Wire Rope

Overview

Compacted 19XK7 and 19×7 wire ropes are both types of rotation-resistant wire ropes used in lifting and hoisting applications. However, they have distinct differences in terms of construction, performance, and specific applications.

Compacted 19XK7 Wire Rope

Description

Compacted 19XK7 wire rope is a type of rotation-resistant wire rope where the “K” denotes that the strands have undergone a compaction process. This compaction process physically compresses the strands and wires to produce a denser, stronger rope.

Features

Compaction: The compaction process increases the rope’s strength and reduces its diameter while maintaining or increasing its breaking load capacity.
Enhanced Flexibility: Despite the compaction, the rope maintains good flexibility, making it suitable for applications requiring high bending and fatigue resistance.
Higher Strength: Compaction results in a denser wire rope with higher strength and improved load-bearing capacity.
Improved Wear Resistance: The smoother surface from compaction reduces internal wear and increases the rope’s lifespan.
Durability: Made from high-quality materials, ensuring long-term use even in demanding environments.

Applications

Cranes and Hoisting Equipment: Ideal for applications where high flexibility, strength, and minimal rotation are required.
Construction: Used in tower cranes, mobile cranes, and other lifting machinery requiring enhanced performance.
Industrial Machinery: Suitable for various industrial applications needing high fatigue resistance.
Marine and Offshore: Employed in environments where robust and flexible wire ropes are necessary.

Specifications

Strand Configuration: 19 strands, each compacted to improve strength and flexibility.
Material: High tensile steel, possibly with special coatings for enhanced performance.
Diameter Range: Available in various diameters to meet specific load requirements.

19×7 Wire Rope

Description

19×7 wire rope is a commonly used rotation-resistant wire rope consisting of 19 strands, each with 7 wires. This construction is specifically designed to minimize rotation under load, making it ideal for precise lifting operations.

Features

Spin Resistance: The 19×7 construction provides excellent spin resistance, making it ideal for single-part lifting and other applications where load rotation needs to be controlled.
Good Flexibility: While not as flexible as compacted 19XK7, 19×7 wire rope offers sufficient flexibility for various lifting tasks.
High Strength: Maintains significant breaking strength, suitable for heavy-duty applications.
Durability: Made from high-quality steel, ensuring long-lasting performance.

Applications

Cranes and Hoisting Equipment: Ideal for single-part hoisting and applications requiring minimal rotation.
Marine and Offshore: Suitable for shipyard cranes, offshore platforms, and other marine environments.
Construction: Used in tower cranes, mobile cranes, and other lifting machinery.
Mining: Employed in various lifting and lowering operations in mining.

Specifications

Strand Configuration: 19 strands with 7 wires per strand, designed for spin resistance and durability.
Material: Typically made from high tensile steel, sometimes galvanized for corrosion resistance.
Diameter Range: Available in various diameters to meet different load requirements.

Key Differences

Compaction:
- Compacted 19XK7: Undergoes a compaction process, resulting in a denser, stronger, and more flexible wire rope.
- 19×7: Does not undergo compaction, maintaining a standard construction.
Flexibility:
- Compacted 19XK7: Offers superior flexibility due to its compacted design, making it suitable for high bending and fatigue resistance applications.
- 19×7: Provides good flexibility but not as high as compacted 19XK7.
Strength and Load Capacity:
- Compacted 19XK7: Higher strength and load-bearing capacity due to the compaction process, which reduces the rope diameter while increasing its breaking load.
- 19×7: Maintains significant breaking strength, suitable for heavy-duty applications but generally lower than compacted 19XK7.
Wear Resistance:
- Compacted 19XK7: Improved wear resistance due to the smoother surface from compaction, leading to a longer lifespan.
- 19×7: Good durability but not as high as compacted 19XK7.
Applications:
- Compacted 19XK7: Used in demanding applications requiring high strength, flexibility, and minimal rotation, such as cranes, industrial machinery, and marine environments.
- 19×7: Commonly used in lifting and hoisting applications where spin resistance is crucial, including marine, construction, and mining industries.

Conclusion

Both compacted 19XK7 and 19×7 wire ropes have unique advantages. Compacted 19XK7 is preferred for its higher strength, superior flexibility, and improved wear resistance, making it suitable for demanding applications. In contrast, 19×7 is chosen for its excellent spin resistance and suitability for precise lifting operations. For any specific requirements or additional technical details, please feel free to reach out.

Rotation resistant and non-rotation wire ropes: 19xK7

The 19xK7 wire rope is a specific type of rotation-resistant or low-rotation wire rope. This designation provides a clear insight into the structure and intended use of the rope. Here’s a breakdown of what the 19xK7 classification means and how it applies to rotation-resistant and non-rotating wire ropes:

Understanding 19xK7 Wire Rope
Construction:
19x: This number indicates that each strand in the rope contains 19 individual wires.
K7: This denotes a specific strand arrangement within each wire rope. The letter ‘K’ typically refers to a compacted strand or a specific type of lay, and ‘7’ indicates the number of wires in each strand or a specific arrangement that enhances rotation resistance.

Features of 19xK7 Wire Rope
Rotation Resistance: The 19xK7 wire rope is designed to minimize rotation under load. This is achieved through its specific strand layout and the overall design, which balances the external and internal torque forces that act upon the rope when it is loaded.
Compaction: The ‘K’ in 19xK7 suggests that the strands are likely compacted. Compaction increases the contact area between the wires and strands, which not only enhances strength and abrasion resistance but also helps in reducing the rope’s rotational characteristics.
Flexibility and Fatigue Resistance: The detailed arrangement and compaction likely contribute to improved flexibility and fatigue resistance, making 19xK7 suitable for applications involving multi-layer spooling.

Applications
Cranes and Hoists: Given its rotation-resistant properties, 19xK7 wire rope is ideal for crane and hoist applications where precision in load handling and stability is necessary.
Marine and Offshore Rigging: The strength and compact nature of the rope make it suitable for marine environments, offering good resistance to abrasion and crushing.

Considerations
Handling: Proper handling and installation are vital to maintain the integrity and performance of the rope. Improper installation can lead to unlaying or increased internal stresses.
Maintenance: Regular inspection for signs of wear, deformation, or corrosion is crucial, especially in rotation-resistant ropes, as they can be more susceptible to these issues due to their complex structure.

In summary, 19xK7 wire rope is a specialized type of wire rope designed for applications requiring high strength, minimal rotation, and stability under load. Its structure makes it a preferred choice in critical lifting, rigging, and stability-required scenarios.