Webbing Strength Chart. Jul 15, 2025 · In this article, our goal is to help you understand

Jul 15, 2025 · In this article, our goal is to help you understand what is required for your web slings to meet ASME B30. ISO 4878:1981 https://standards. Some webbings have a higher UV resistance than others, some are stronger, and some are even easier to sew based on the thickness of the webbing. Web Sling Identification Includes: Sling Type: Roundsling Identification Includes: Sling Number: 1-13 Sling numbers are for reference only, some roundslings have different ratings. Chemical The strength of synthetic webbing slings can be degraded by chemically active 10mm (3/8in) 1,360kg (3,000lb) 100mm (4in) 1,810kg (4,000lb) Apr 22, 2022 · 16mm webbing anchor testing: Answering the question “ Does 16mm tubular webbing have sufficient strength for anchor rigging in backcountry rescue?” with tests around pins, carabiners and smooth rock, sharp rock and edge protectors. In thi 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. Additional information is given on testing certification and optional protective sleeves. Use this handy chart to find the right flat webbing material for your specific application. Kind regards Callum McWhirter Director International Rope Braid Sep 11, 2025 · Discover nylon webbing strength ratings, factors affecting durability, and comparisons with polyester, PP, and cotton webbing for industrial and outdoor use. MS = mechanical splice. The individual strengths of the net webs, cords, or fibers, have been divided by their spacing to get a uniform, comparable lbs/inch number. Lifting capacities range from 0. Think of it as our seal of approval. It lists the safe working load limits or weight load limits for each type of sling at various widths and lifting modes between 100-200%. Nylon webbing is a tool that can be used for many different operations and really should be carried by each member on the apparatus. Oct 28, 2021 · Strong webbing is important for the success of your projects. This information overall indicates how much cargo can be tied down with this strap. Mar 15, 2025 · Synthetic Webbing Sling Safety and Strength Understanding synthetic webbing will help you choose the right sling for safe and efficient lifting. Sling color is not followed by all manufacturers and some colors have more than one rated load. Our charts will help you narrow down which webbing is best for your particular application. But what exactly is webbing, and why is it so popular? Let's delve deeper into the world of webbing and discover its many facets. Safety Factors inc the angle of lift, legs, colour coding, pull and more. Elongation -The measurement of stretch, at a given load, expressed as a percentage of the original unloaded length. 9 tonnes or 1. Nov 28, 2025 · Breaking strength, working load limit, and how to choose webbing that’s actually safe for your project! Looking for more information on the right webbing and tape to use? Each type offers distinct functions and features. All slings can be provided with protective polyester sleeve of any length. iteh. Work out the Safe Working Load of webbing & round slings using the Load Chart. . Mil-Spec webbing does not have red core yarn warning system. 6 sting data shows how powerful small “backyard” studies are when combi ed. Neither IRB nor its supplier will in any circumstances be liable for any damages arising out of the improper use of the product. S = swaged or poured socket. May 15, 2023 · Essential details on rescue rope and webbing, including diameter, sheath construction, elongation, energy absorption, and webbing types for technical rescue. Mar 17, 2015 · Nothing else should be attached to this eye; a spreading force will cause any webbing eye-machine-stitched or hand-stitched-to peel apart at 500 to 800 pounds. They are versatile, durable, Jul 4, 2023 · struction webbing with a minimum certified tensile strength of 9,800 pounds per inch of webbing widt nd non-tapered eye constructions. 4 tonnes respectively. Wear or damage to sling webbing face yarns cause an immediate strength loss. Sling webbing has surface yarns connected from side to side, which not only protect the core yarns, but position surface and tensile yarns to work together to support the load. Bunzl Safety & Lifting accepts no responsibility should any productfail in service based on information in this card. Intended use declares: for use in parachutes and their accessories, tow target reinforcement, safety belts, bomb hoists and slings, tie Learn how to choose the right nylon webbing strength, compare construction methods, and optimize design with expert manufacturing insights. The working load limits above are calculated on a 5:1 design factor THE ABOVE CHART IS IN COMPLIANCE WITH ASME B30. Fitting - A load bearing device that is attached to the web sling. WEBBING SPECIFICATIONS This document provides specifications for various types of webbing slings including single, double, three, and four ply configurations. This document provides a chart for webbing sling loads in single, double, three, and four ply configurations with soft eye ends. The chart is Nov 28, 2025 · Breaking strength, working load limit, and how to choose webbing that’s actually safe for your project! Oct 7, 2024 · A special coating can be added to the webbing material during the manufacturing process. Sling Color: purple, green, yellow, gray, red, brown, blue, dark green and orange. Know the minimum breaking strength for one-inch webbing anchors - some common configurations. This chart lists all the webbing types we ofer at Sailrite along with their properties. Break Strength 11,800 59,200 17,800 88,800 25,000 115,200 28,000 140,000 32,700 163,200 46,100 230,400 57,600 288,000 4 9-7/8 1-1/2 89 65,300 326,400 Flat nylon webbing is one of the most durable, heavy duty webbing materials available. 19 44 67 W. com Figure 9: The effects of wetting software on knot strength. displays a tensile strength rating on all of its bulk nylon webbing products. 9 SPECIFICATIONS macmor. WEBBING SLING LOAD CHART Single, Double, Three & Four Ply - Endless Note: 1. 4 to 49. 9 standards, which in turn, will help to ensure the safety of the users, help extend the service life of the slings, and help reduce unnecessary equipment repair costs and loss of production due to equipment downtime. Unsure of which type of webbing or material is most suitable for your next project? Or the type of […] Nylon Webbing: Emphasizing Customization and Strength - Nylon, the versatile warrior of the webbing world, marries flexibility with incredible strength. Its flat, strip-like LiftKing Polyester Webbing Sling - DWS eyes available to suit all capacities and lengths. We then sewed eyes with differing stitch counts and patterns, breaking enough samples to understand both repeatability and optimal patterns. Better dyes can hide the effects of aging, but the effect on the webbing strength is the same: Nov 12, 2012 · After testing, each webbing tie down strap gets a tag indicating its break strength and working load limit. Keep doing backyard testing, but document the stu Jul 2, 2024 · Most climbers know that tying any sort of a knot reduces the strength of cord, rope or webbing. Each sling is supplied with an individual test certificate. At 15–30%, it has the highest elongation at break of the four materials but only a medium tensile strength of 800 N/mm2. Aug 20, 2019 · The most common size of tie down webbing in lengths is 27 or 30 feet of webbing which is traditionally used for flatbeds. Nylon, Polyester Web or Polyester Round Flexibility, weight, strength, and non-marring properties make synthetic slings the most sought after slings for contractors and riggers alike! Because of these inherent features, extreme caution as to selection, care and general use must be exercised. The chart below shows breaking strength data for several netting types. Nov 4, 2023 · Web Sling Size and Capacity : Web slings are an essential tool in various industries, used for lifting and securing heavy loads. Wire Ropes - Strengths 6 strand x 19 wire (6x19) - minimum breaking strength, safe loads and weight. For Jul 8, 2009 · MIL-W-4088: <4088k PDF> (More samples below chart) Extremely varied webbing due to the many type styles. Get the lowdown on ratchet straps and cam straps! Discover the critical differences between break strength and working load limit to ensure your loads are secure and safe! Sep 2, 2022 · Our 1-inch 6,600 lbs webbing blend is the heaviest duty 1-inch tie-down webbing available on the market and is designed to provide extreme durability and strength for its size. L chart applies to general purpose chain slings made of chain and components manufactured to Grade 80 or Grade 100 specification with working load limits ranging from 1. Let's take a look at what the strongest webbing materials out there are. Capacity charts for most slings manufactured by Liftex. Mar 17, 2015 · For bench testing, we broke samples of sewing materials and webbing by wrapping them around a 2-inch-diameter drum at each end to determine baseline strengths. A Do not use when temperatures exceed 90o C ADo not snatch or shock load slings when lifting. Color coding indicates the load capacity, with wider slings and more plies capable of higher loads. APosition load on dunnage to ensure easy removal of slings. Can go from very thin and flexible to near scuba-belt thickness and stiffness. Never allow product to come in contact with sharp edges under load. Webbing straps and ratchets with the following lashing capacities are suitable for use on British Steel products: LC 2000daN, LC 2500daN and LC 4000daN (typically 50mm wide) Do you need a soft webbing for bag handles and straps? Do you need a webbing that can support human weight and load-bearing applications? This guide explains all the various types of webbing Sailrite carries as well as their recommended uses. To understand its real-world strength, you need to grasp a few important concepts. It details the safe working load limits (SWL) at different lifting angles (100%, 200%, 140%, 80%) based on the width and number of plies of the webbing sling. Feb 23, 2024 · By selecting the right webbing sling, adhering to safety guidelines, conducting regular maintenance and inspections, and troubleshooting any issues promptly, you can ensure the longevity, functionality, and safety of your webbing slings. With its strength and flexibility, webbing has become an essential component in the production of a wide range of products, from outdoor gear and military equipment to pet accessories and furniture upholstery. Webbings charted with regard to their strength, weight, elongation, cost, and various ratios of each to increase the consumer's perspective. Understanding the different types of webbing available is crucial for selecting the Every webbing material is made with a specified webbing and hardware, even the machine operator who made nominal strength, measured in pounds per inch of width, the sling. Long-term exposure to sunlight or ultraviolet radiation can affect the strength of synthetic webbing slings. Therefore, it is recommended that all products be regularly inspected to determine their condition as a basis for deciding if the product Fiber Capability Guide Honeywell Spectra® Fiber: Lightweight Strength From lifting ropes that lower critical equipment to the sea floor, to cut-resistant gloves and high-performance fishing line, Spectra fiber has been providing lightweight, dependable strength in demanding applications for more than 20 years. L. A sling so affected should be taken out of service immediately. Let me know if i'm missing anything! The products shown in this literature are subject to wear, misuse, overloading, corrosion, deformation, intentional alteration and other usage factors that may ne-cessitate a reduction in the product’s Rated Capacity or a reduction in its Design Factor. Working Load Limit —See rated capacity. Nov 6, 2024 · Webbing slings are essential lifting tools used across a variety of industries for safe and efficient load handling. Lift-All sling webbing uses a combination of internal, protected yarns and sur Damage to the surface of Mil-Spec webbing causes greater strength reduction of the webbing. ace yarns. (f) For choker hitch, the angle of choke is 120 deg or greater. Nylon webbing is prized for its high tensile strength, flexibility, and abrasion resistance, but not all nylon straps are created equal. Remember, safety should always be the top priority when working with webbing slings. This protects against moisture and dirt penetration, and also, helps reduce abrasion Do you need a soft webbing for bag handles and straps? Do you need a webbing that can support human weight and load-bearing applications? This guide explains all the various types of webbing Sailrite carries as well as their recommended uses. Always read and ensure the instruction is understood before lifting of payload commences. Sling webbing has surface yarns connected from side to side, which not only protect the core yarns but also position the surface and tensile yarns to work together to support the load. Since its inception as an alternative to silk, nylon has carved out a niche in high-stress applications where durability and adaptability are paramount. The strength of nylon webbing depends on more than a single number on a product spec sheet. Learn how to choose the right webbing for your project! Explore the best types of webbing for marine, outdoor, upholstery and DIY applications. The weathered area is completely undetectable in the black webbing, despite losing 42% of its strength2% more than the tan sample on the right. View the working load limits to be used when the cargo tiedown material is not marked by the manufacturer with the working load limit. strength. When working with webbing slings, it is crucial to understand key specifications such as Working Load Limit (WLL), Safe Working Load (SWL), and Minimum Breaking Strength (MBS). Jun 27, 2025 · Webbing Strength Rating —The minimum strength of webbing, expressed in pounds per inch (or kilograms per centimeter) of webbing width. Fabrication Efficiency - The ratio of a web sling assembly breaking strength to the webbing strength prior to fabrication, expressed as a percentage. This document provides specifications for flat polyester webbing slings in single, double, three, and four ply configurations. In industrial settings, the use of web slings Home : Certified Slings & Supply : Certified Slings & Supply Dyneema Webbing has superior strength and excellent abrasion resistance. All sling webbing contained in this catalog is recommended for general purpose lifting. Learn about MIL W17337 nylon webbing. This is why Sling Webbing has red core yarns to visually reveal damage and act as a basis for sling rejection. Fortunately, because webbing is thin, it does not require a thimble to preserve strength around any smooth attachment. It lists the safe working load limits in kilograms for each type of sling at different widths and lifting modes including 100%, 200%, 140%, and 80% of the rated capacity. Or, contact us for assistance in selecting the best webbing material for your needs. Wear or damage to sling webbing face yarns causes immediate strength loss. Minimum elongation of not less than 1% at 10% of the breaking strength Maximum elongation of not more than 10% at 10% of the breaking strength Minimum perimeter of 25 mm (1 in) NFPA 1983 (2012) Fire Escape Webbing Performance Requirements 3σ MBS of not less than 13. Use this helpful chart to understand the characteristics and physical properties of the various webbing types The most popular types of textile fibers used to make webbing are displayed on this chart: Nylon, Polypropylene, Cotton and Polyester. Gain a comprehensive understanding of the types of webbing and its properties, materials, and weaves. ASTM D6775 is the standard test method used to determine the breaking strength and elongation of textile webbing, tape, and braided materials. Observe all pertinent instruc-tion provided by OSHA and ASME. Engineering and rigging standards show there’s a direct relationship between width, weave, and load capacity. 5 tons to 6 tons for single ply and up to 24 tons for May 30, 2023 · Webbing is a versatile and durable material that finds application in various industries and sectors. ADo not twist or knot slings to shorten. Nylon tubular webbing is a tool that can not Mil-Spec Needle Loom Nylon Web. These materials are used in a wide variety of industries such as automotive, construction, military, and consumer products. Factors like material, load limits, and hitch type affect performance. Nov 1, 2023 · Webbing is an incredibly versatile material used in various applications, from outdoor gear to safety equipment. What is Webbing? Webbing is a strong, woven fabric made from various materials, including nylon, polyester, and polypropylene. Issue: September 2022 Spectra® or Dyneema® are renowned UHMWPE brands, selected for their consistent performance relative to tensile strength, cut/abrasion resistance, UV resistance and hydrophobicity (water/moisture resistance). ai/catalog/standards/sist/2109ed4a-17e6-422b-b799-cb74330db958/iso-4878-1981 All sling webbing contained in this section is recommended for general-purpose lifting. But what about tying multiple knots in the same strand? Does that reduce the strength multiple times? What happens when you have a loop of cord tied with a knot, is the strength reduced in that? The Alpin Minimum Breaking Strength (MBS) to Working Load Limit (WLL) WLL for Very Conservative = MBS/10 WLL for Standard Conservative = MBS/5 (Denver Rope Selection) WLL for Less Conservative = MBS/3 WLL = Engineered Calculation Nov 28, 2025 · Breaking strength, working load limit, and how to choose webbing that’s actually safe for your project! Chain & Rigging’s Working Load Limit (W. Nov 4, 2023 · Web Sling Capacity Calculation : Web sling capacity calculation is a critical aspect of safe lifting operations. For for exact the tolerances reduction in or webbing strength that occurs due to stitching and tapering. Folding, bunching Read More » Oct 20, 2020 · MATERIALS AND CONSTRUCTION Four materials are used for the textile fibers in ropes, slings, and accessory cords: Polyamide (PA) is the most widely used material. Adhere to manufacturers warnings Mil-W-4088K is a military spec for nylon webbing and Berry Amendment compliant with all appropriate testing and paperwork. Jul 8, 2009 · MIL-W-4088: <4088k PDF> (More samples below chart) Extremely varied webbing due to the many type styles. After thorough investigation, which included reviewing web construction, manufacturer’s tests, and performing our own field evaluations, it has been determined that the mil-spec needle loom web we offer is comparable in strength and abrasion resistance to the previous-generation shuttle loom (spiral weave) web. WEBBING SLING LOAD CHART Single, Double, Three & Four Ply with Soft Eye End Note: 1. So, if you see a tensile strength measurement on a selection of nylon webbing that says #900, this means that particular width and thickness can withstand a 900-pound load before it reaches its breaking point. Feb 20, 2021 · Find out what does a knot in webbing actually hold and how do the webbing knots influence the breaking strength of the slackline. Elastic Cord and Webbing, Inc. Intended use declares: for use in parachutes and their accessories, tow target reinforcement, safety belts, bomb hoists and slings, tie Load chart for webbing slings The following chart describes the load capacity for specific lifting slings in specific configurations. Get expert tips on strength, material and durability to make the perfect selection at Sailrite! GENERAL NOTES: HT = hand-tucked splice. Classes 1 and 1a are considered critical use while Class 2 is non-critical. Min. Cuts on webbing slings, particularly at the sling edge, will result in serious loss of strength. L) chart is a useful guide when determining which chain, web or round sling is suitable for your lifting requirement. Rated loads based on minimum D/d ratio of 25/1. Width —The distance across the web sling body from outer selvedge to outer selvedge. Wear or damage to Sling Webbing face yarns cause an immediate strength loss. 4 inch Ratchet Straps are rated for 5,400 lb to 5,670 lb working load limits. Use for towing, tie downs, harnesses and load-bearing applications. Two-ply slings, for example, require more stitching than one-ply slings, thereby increasing the fabrication factor for the two-ply sling. A) Dry samples in red, and wet samples in blue, B) Lowest to highest wet strength as a percentage of dry strength. Our W. Duplex Webbing Slings and Polyester Round Slings are used for lifting loads or objects that may have fragile or delicate surfaces, which could be harmed if lifted with chains or wire ropes. Proper use and maintenance extend a sling's lifespan and improve workplace safety. Meeting strict specifications, MIL W 17337 nylon webbing offers strength and durability to tactical and military products. Find out more in our complete guide. The MBS for the entire population is then calculated by subtracting three times the standard deviation (3σ) from the mean result of the tested samples. This is why—compared to high-strength materials such as Dyneema® (UHMWPE) or aramid—more material has to Tensile strength is the average strength of a new rope under laboratory conditions. What better way in two basic grades. e greater the stitching, matched the more slings, the please reduction contact in webbing us. Each sling is tested and Mar 20, 2022 · Polypropylene webbing, on the other hand, is not that strong. However, polypropylene will float in water, and is great for use as a binder, such as batteries, because it resists battery acid very well. Synthetic Round & Flat Webbing Slings TWIN-PATHTM ARAMID FIBRE SLINGS This wall chart has been produced as a 'guide only' based on manufacturer specifications & Australian Standards. Minimum breaking strength and safe load for Bright wire, uncoated, fiber core (FC) wire rope, improved plow steel (IPS): 84 round slings for heavy loads Polyester webbing 85 slings RWSH Webbing 87 sling hook with latch Polyester webbing 8 slings with triangles Sep 9, 2025 · Discover the strongest webbing materials, compare nylon, polyester, Kevlar, and Dyneema, and learn how to choose the right material for your project. This is determined by wrapping the rope around two large diameter capstans and slowly tensioning the line until it breaks. Yarn —The synthetic fibers used to make the webbing and thread. 2. 12 to 81. Consult the sling manufacturer for proper retirement criteria for synthetic webbing slings subjected to long-term storage or use in sunlight. Used for a diverse range of applications—from pet collars to climbing harnesses to child safety equipment—nylon webbing offers high tensile strength, is resistant to mildew, aging, and abrasion, and has a relatively high melting point. ACheck with manufacturer before using slings in or near alkalis and Acids. (e) Rated load based on pin diameter no larger than natural eye width or less than the nominal sling diameter. To determine a product’s minimum breaking strength (MBS), a sample size is chosen and tested and the results analyzed. We would like to show you a description here but the site won’t allow us. Rated capacities for Type V slings are based on non-tapere For Type VI slings and for other sling types, consult the manufacturer for rated capacities. 5 kN (3,034 lbf) Minimum elongation of not less than 1% at 10% of the breaking mze014d - MIL-SPEC MONKEY mze014d Working load must never exceed 20% of the Strengths Shown on the Break strength chart. Aug 4, 2021 · Flat webbing slings load configuration chart In order to choose the flat webbing sling that suit your situation, the table below summarizes the different configurations to take into account to make the right choice.

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