Lifting wire rope sizes chart. *Please note this is to be used as a rough guide only.
Lifting wire rope sizes chart May 7, 2025 · Wire rope capacity charts provide essential data for determining safe working loads, ensuring optimal performance and safety in lifting operations. This article explores various types of wire ropes, their specific uses, and how to select the right one for your needs. A choice of sizes is available to provide a Rated Capacity suitable for the safe handling of specified loads. Pairing Loos and Co . Wire Rope Load Limits Rated load based on pin diameter no larger than one half the natural eye length or not less than the nominal sling diameter. All ropes of the same size and wire grade in each classification have the SAME strength and weight ratings, and usually the same pricing. The Complete Guide to Wire Rope Sling Load Capacity Chart (8mm to 80mm) When it comes to heavy lifting in industrial settings, wire rope slings are an indispensable tool. Although their operating properties vary, all have the same weight per foot and the same minimum breaking force, size for size. 133 or No. Jul 26, 2023 · Do you know the capacities of your braided multi-part wire rope slings? Learn more about capacities of braided 6-part wire rope slings and 8-part wire rope slings. 42 1. While wire rope is a relatively simple piece of equipment, there are several terms and factors that you must be aware of before you, or any of your staff, operate this gear. This is the method used to determine the working load limit (WLL) of a sling: minimum breaking strength of the wire rope (MBL) multiplied by the efficiency of the splice or end fittings divided by the design Pulleys and sheaves are the perfect complement the specialized wire ropes and hardware used in markets that we’ve supported for years . Jan 29, 2025 · Understanding wire rope capacity charts is crucial for safe lifting operations. 1 Loads The first step in deciding what size wire rope is required for your lift is to determine the total weight of to be lifted which will include the “wet” weight of the boat, the maximum estimated cargo that could be put in the boat during the lift and the weight of the lifting cradle Tables 18, 19, and 20 are based on the D/d ratios indicated below. WIRE ROPE PRODUCTS View the industry’s most complete line of wire rope products including Flex-X® ropes, Tuf-Max®, PowerMax®, PFV, 7-Flex®, rotation-resistant and swaged ropes, and other special types. The commodity that “holds up” the rigging, lifting, and overhead securement industries is indisputably wire rope. Limits that apply to all lifting gear One of the most important pieces of information, and this applies to any piece of lifting gear that lifts loads, are the The wire rope sling products you need. 72 7x19 3/8 Standard Reel Lengths in Stock: 250', 500', Stainless Steel Aircraft Cable 243 1,000' & 5,000' WeightilOOO Ft (lbs) 29 65 110 173 243 1,000' & 5,000' 12,000 Type 316 Breaking Strength (lbs) 1670 3565 5875 8825 11,760 Size (in) 1/8 3/16 1/4 5/16 3/8 Rope sizes, weights and breaking strengths *Please note this is to be used as a rough guide only. 5 The listed capacities of wire rope slings/assemblies in this catalog are based on the industrial standard of a 5 to 1 design factor. Explore the calculations and design considerations involved. wire rope and hardware with the highest quality pulleys and sheaves will repay you with the performance you have come to expect from our products . You should only use a choker hitch when the load will not be seriously damaged by the sling body, REDUCTION IN EFFICIENCY OF WIRE ROPE WHEN BENT OVER PINS OF VARIOUS SIZES Wire ropes – Technical information Moving means to set things in motion, to unfold dyna-mics, to create things. Basket hitch capacity based on minimum D/d ratio of 25/1. It also briefly describes the different types of wire rope lay (regular vs Lang's) and their advantages, as well as wire tensile strength grades. 85 Stainless Steel Wire Rope IWRC Size (in) 3/8 1/2 9/16 5/8 Weight/Ft (lbs) . 24 . The chart specifies the diameter and construction of each sling size, its safe working load capacity in kilograms or metric tons, the standard loop or eye size in inches, and the corresponding This article is a complete guide to wire rope clips for you, to help you find what is a wire rope clip, types of wire rope clips, how to install wire rope clips and wire rope clips installation. SS wire ropes are versatile, but using the right size and lifting technique is crucial for safe operations. com Product Information, and Technical Services go to Wire Rope Types & Specifications We stock all types of wire rope for every application from a truck winch or a pipe choker to a tugboat towing wire or Crane Rigging. The following common wire rope constructions are known as class constructions: 6×7, 6×19, 6×37, 7×19 Two major and opposing characteristics of wire rope slings are flexibility and resistance to abrasion. Our knowledgeable experts can help you determine what will work best whatever you’re doing. Below you will find a handy all-in-one wire rope weight guide. Sep 19, 2025 · Complete wire rope size guide with chart, strength ratings, and applications. Use this chart to see how rope diameter is measured. The 6 x 36 classification of wire ropes includes standard 6 strand, round strand ropes with 27 through 49 wires per strand. Running wire ropes Running wire ropes are ropes run-ning over rope pulleys (rope shea-ves), traction sheaves, sheaves and drums, following the bend of the sheave. Examples: Lifting ropes, luffing ropes, elevator ropes, pull ropes, etc. Without enough properly tested and verified wire rope on hand, the output and productivity of the entire plant can grind to a standstill Choker hitches reduce the lifting capability of a sling since the wire rope component’s ability to adjust during the lift is affected. 44 With Heavy Lift Top More wires result in decreased wire diameter, reduced abrasion resistance, increased flexibility, and kink resistance. This is the method used to determine the working load limit (WLL) of a sling: minimum breaking strength of the wire rope (MBL) multiplied by the efficiency of the splice or end fittings divided by the design Lifting and Rigging Supplies | Wire Rope Supplier | Kennedy Wire Rope Size Chart Wire Rope Size Chart - We stock all types of wire rope for every application from a truck winch or a pipe choker to a tugboat towing wire or crane rigging. Wire rope products may be proof-tested upon request. THE ANGLE OF CHOKE SHALL B ITIES - TONS (2000 LBS. he same minimum breaking force, size for size. NIMUM D/d RATIO OF 5/1. ) Any cargo items in the boat (Note: There should never be Construction Class Selection Criteria Construction is the number of strands, the number of wires per strand, and the core composition used to make the wire rope. This information has been sourced from and approved by Bridon American. The first step in deciding what size wire rope is required for your lift is to determine the total weight to be lifted which will include the “wet” weight of the boat, the maximum estimated cargo that could be put in the boat during the lift, and the weight of the lifting cradle Boat Fuel Water (Ballast, live well, potable, etc. The calculated minimum breaking load of a cable-laid grommet sling equals 12 times the minimum breaking load of the unit rope Wire Rope Specifications Liftcrane - Luffing Jib No. The chart includes the diameter of the rope in millimeters, its construction, safe working load in kilograms or metric tons, standard loop or eye size in inches, and the corresponding diameter of Polyester and Nylon Double Braid, 3 Strand Twisted or Polypropylene, Manila, this rope strength guide helps determine diameter, tensile and working load of the various ropes specific for your use. They detail maximum load capacities based on factors like rope diameter, construction, and hitch angles, helping users select appropriate slings for specific applications while preventing overload Learn about wire rope design calculations and download a pdf guide on the topic. Whether you’re in construction, shipping, or manufacturing, understanding the exact load capacity of your wire rope sling is essential for safe and efficient lifting. , Inc . Wire rope is normally made slightly larger than its catalog (or nominal) size. More wires result in decreased wire diameter, reduced abrasion resistance, increased flexibility and kink resistance. Easily see rope size comparisons between inches, mm and rope circumference. In addition, we offer inspection and proof testing services. Wire Ropes - Strengths 6 strand x 19 wire (6x19) - minimum breaking strength, safe loads and weight. Unlike the return loop method that places 100% of its strength on the swaged sleeve, Lift-All wire rope slings have reserve strength should the sleeve become damaged in use. The longer it has been in service or the more severe the service, the more thoroughly and frequently it should be inspected. If they contain swaged terminations and will be used as a sling, they will be 100% proof tested. Jul 24, 1996 · Wire rope is normally made slightly larger than its catalog (or nominal) size. 85 and a splice loss of 0. Understand 6x19 vs 6x36, size charts, and the right rope for lifting, winches, or cranes. 75 (according to IMCA M179). Conversion calculator. Slings are designed to be used in Quick Reference Chart of the Most Popular Slingmax ® Heavy-lift Wire Rope Slings Parts of wire rope in body D/d Body* D/d Eye* Apr 26, 2025 · What if a single component could transform the safety and efficiency of heavy lifting operations? Wire ropes, often overlooked, are essential in construction, mining, and marine applications. Wear and Abuse All wire ropes should be thoroughly inspected at regular intervals. Kennedy Wire Rope & Sling fabricates wire rope slings and assemblies with diameters from 1/32” to 4-1/2”. Metric equivalents of Aug 21, 2020 · Standard Rope Classifications Most common wire rope constructions are grouped into four standard classifications, based on the number of strands and wires per strand, as shown in this chart. Our cable structure buildings Jul 28, 2000 · This document provides specifications for various sizes of 6x37 and 6x19 wire rope, including nominal strength, recommended safe working loads at different design factors, and weight per foot. repairable, Check-Fast ® Inspection System, low stretch, longest lasting sling Low cost flexible lifting 5 The listed capacities of wire rope slings/assemblies in this catalog are based on the industrial standard of a 5 to 1 design factor. 59 1. com Product Information, and Technical Services go to. For choker hitch, the angle of choke shall be 120 degrees or greater. FOR CHOKER HITCHES. 7/8 Weight/Ft (lbs) . ARC is a factory authorized repair center for IKAR/Ultra Safe retractable lifelines and renfroe clamps. Compare specifications to find the right fit for your application. Rope Slings 6 x 19 or 6 x 36 Classification, EIPS, IWRC Wire Rope Proud Supplier ROPES & CABLES Galvanized Preformed Galvanized Cables are recommended wheneverfl exibility, high strength and fatigue resistance are required. The nominal breaking strength of wire rope should be considered the straight line pull, which will ACTUALLY BREAK a new, UNUSED, rope (with both rope ends fixed to prevent rotation). View load ratings and safety insights to choose the right cable for your project. 133A on Boom No. The following chart lists the size tolerances of wire rope. Wire Rope Sling CapacitiesWe Provide Wire Rope, Chain, Synthetic Slings, Cargo Control, Hardware, Fall Protection, and various other types of equipment for the utility, Marine, and construction industries. Fewer wires means larger diameter wires, better abrasion resistance, and reduced flex-ibility. Jul 17, 2025 · In this article, we outline important technical topics related to wire rope. These charts detail rope specifications, load limits, and application guidelines, helping users select the right sling for their needs while accounting for factors like diameter, construction, and hitch type to prevent overload risks. Our helpful spreadsheets will calculate the basic sling leg lengths and suggest some top-selling standard sling types and sizes to meet your capacity. Mar 13, 2023 · Understanding the components of wire rope, the construction of wire rope, and the different types of wire rope will allow you to select the best performing and longest-lasting wire rope for the job at hand. Make sure you always consider the load conditions, especially the angles, when selecting your wire rope. Minimum breaking strength and safe load for Bright wire, uncoated, fiber core (FC) wire rope, improved plow steel (IPS): Understand the breaking strengths of wire rope by size and construction. WIRE ROPE SLINGS Lift-All wire rope slings are made using the Flemish Eye splice technique to form the eyes. Learn how to measure, select, and use the right wire rope for safety and efficiency. 46 . We offer a full line of proven wire rope slings, including single-part body, multi-part body, SuperFlex® braided slings, grommets and socket assemblies. The Flex-X® process provides a smooth, extremely compact wire rope with greater surface area and more steel per given diameter, which increases strength, fatigue resistance and wear resistance. The nominal breaking strength of the rope should NEVER BE USED AS ITS WORKING LOAD. Combining strength with flexibility, wire rope helps operations of all sizes move heavy loads where they need to go with safety and ease. This improves the lifting capabilities of mobile and fixed boom cranes and eases installation. SWR Sling Load Safety Chart, work out safe working load dependent on how many legs, the angle of lift and, fibre or steel corded and slinging configuration Wire Rope Slings For Inspection, Re-Certification, www. A wire rope strength chart will help you ensure that your lift will be completed safely. The following chart lists the size tolerances of standard wire rope. 1. While 6 x 19 ropes have more abrasion resistance, the 6 x 36 ropes have more fatigue resi Explore standard wire rope and steel cable sizes with our easy-to-use diameter chart. 36 . We use various types and constructions of wire rope when fabricating slings, bright with an exterior lubrication, galvanized wire, and stainless steel. These charts, often available in PDF format, provide essential data on the safe working load (SWL) or working load limit (WLL) of different wire ropes. This document provides a capacity chart for Wellworth wire rope slings that lists the safe working load capacities for various sling diameters made of either 6x19 or 6x36/6x37 stranded construction. ) - FLEMISH EYE BASED ON 6 X 19 AND 6 X 36 EEIP (EXTRA EXTRA IMPROVED PLOW STEEL), IWRC WITH DESIGN FACTOR OF 5 WIRE ROPE SIZE INCHES SINGLE LEG (VERTICAL) SINGLE CHOKER TWO LEG SLING VERTICAL TWO LEG SLING 60 ̊ 45 ̊ Wire Rope Slings DF 5:1 For Inspection, Re-Certification, www. This fatigue resistance is made possible by. For example, a 6×7 fiber core wire rope consists of six strands, each made with seven wires, and formed around a fiber core. 04 1. The slings shown in this catalog are available in a variety of body styles, number of legs, and types of splices and attachments. Represents a contact surface which has a diameter of curvature at least 8 times the diameter of the rope. Dive in to understand the key specifications and maintenance tips that ensure these The Calculated Sling Breaking Load (CSBL) of a cable-laid sling, is equal to the sum of the minimum breaking loads of the individual outer and core rope unit ropes, multiplied by a spinning loss coeficient of 0. T he 6 x 19 classification of wire ropes includes standard 6 strand, round strand ropes with 16 through 26 wires per strand. To a great extent, these traits are a direct function of the number of wires. Discover the formula and factors for precise sizing. Represents a contact surface which has a diameter of curvature at least double the diameter of the rope from which the sling is made. Sep 26, 2023 · Learn how to accurately calculate wire rope size using our comprehensive guide. A sling is an assembly designed to connect a load to a lifting device, so that the load may be lifted, turned, or moved. Jul 1, 2025 · Learn how to choose wire rope construction and diameter based on your application. These high quality wire ropes are available in cut lengths or by the reels. LIGHT WEIGHT Nylatech Sheaves are 1/8th the weight of steel or iron sheaves. For us in the Pfeifer group, to move is very specific: it means that with our products from Wire Rope Technology, Rope and Lifting and Buil-ding Systems elevators, heavy loads on cranes, sheet metal coils, workpieces and precast concrete elements move. unirope. 10mm (3/8in) 1,360kg (3,000lb)100mm (4in) 1,810kg (4,000lb) The most common size: wire rope slings having soft eyes at both end used for heavy lifting operations with safety factor of 7, length 6m, 12m, 16m, 20m, and the swl from 5 ton to 40 ton. Mar 3, 2025 · Wire rope capacity charts provide essential data for determining safe working loads, ensuring optimal performance and safety in rigging operations.