lifting chain sling
Lifting Chain Sling
Product Overview
Our lifting chain sling is a premium-grade solution engineered for safe and efficient heavy-duty lifting operations across diverse industrial applications. Constructed from high-strength alloy steel chains, typically Grade 80 (G80) or Grade 100 (G100), these slings provide exceptional tensile strength and durability, making them ideal for handling loads that demand precision and reliability. Unlike wire rope or synthetic slings, a lifting chain sling offers superior resistance to abrasion, cutting, and environmental degradation, ensuring prolonged service life even in harsh conditions such as high temperatures, chemicals, or corrosive atmospheres.
Each lifting chain sling is meticulously assembled with fully heat-treated components, including master links, connecting links, and hooks, all compliant with international standards like EN 818-2, EN 1677-1, and ASME B30.9. Available in single, double, triple, or four-leg configurations, our slings cater to various lifting geometries, from vertical hoists to complex basket or choker hitches. With working load limits (WLL) ranging from 0.63 tons to over 20 tons per leg, depending on the chain diameter and configuration, these slings are versatile for construction sites, manufacturing facilities, shipping ports, and heavy machinery handling. Safety is paramount; every lifting chain sling undergoes rigorous proof testing at 1.5 to 2 times the WLL and is marked with traceability codes for full accountability.
The modular design allows for easy customization, including shortening tags, swivels, and load binders, ensuring optimal performance tailored to your specific requirements. Whether you're lifting steel coils, concrete forms, or oversized equipment, our lifting chain slings deliver unmatched safety margins—up to four times the WLL before failure—reducing downtime and enhancing operational efficiency.
Key Features
- High-Grade Alloy Steel Construction: Forged from premium low-alloy steel, heat-treated to achieve minimum breaking force of 800MPa (G80) or 1000MPa (G100), ensuring superior load-bearing capacity.
- Corrosion and Heat Resistance: Zinc-plated or powder-coated finishes protect against rust; withstands temperatures from -40°C to 200°C (up to 400°C for short durations).
- Color-Coded Identification: Industry-standard colors (e.g., blue for G80, purple for G100) for quick grade recognition and inspection compliance.
- Precision Welded Links: Seamless oval and short links with uniform pitch and precise tolerances to prevent link rotation and elongation under load.
- Safety Hooks and Attachments: Equipped with safety latches, swivel hooks, and oblong master links that exceed dimensional standards for secure rigging.
- Traceability and Certification: Each lifting chain sling laser-etched with batch number, diameter, grade, and WLL for complete audit trail.
- Lightweight Yet Robust: Optimized weight-to-strength ratio minimizes rigging fatigue while maximizing payload efficiency.
- Custom Configurations: Adjustable leg lengths, alloy steel or stainless steel options, and integrated shortening clutches for versatile applications.
Technical Specifications
| Chain Diameter (mm) | Grade | Single Leg WLL (tons) | Double Leg WLL (tons, 60° angle) | Triple Leg WLL (60° angle) | Four Leg WLL (60° angle) | Weight per Meter (kg/m) | Minimum Breaking Force (kN) |
|---|---|---|---|---|---|---|---|
| 6 | G80 | 1.12 | 1.54 | 1.73 | 1.92 | 0.79 | 45.2 |
| 7 | G80 | 1.50 | 2.06 | 2.32 | 2.57 | 1.08 | 60.3 |
| 8 | G80 | 2.00 | 2.75 | 3.09 | 3.46 | 1.40 | 80.4 |
| 8 | G100 | 2.50 | 3.44 | 3.86 | 4.32 | 1.40 | 100.5 |
| 10 | G80 | 3.15 | 4.34 | 4.87 | 5.46 | 2.20 | 126.5 |
| 10 | G100 | 4.00 | 5.50 | 6.18 | 6.93 | 2.20 | 158.1 |
| 13 | G80 | 5.30 | 7.29 | 8.19 | 9.18 | 3.70 | 212.8 |
| 13 | G100 | 6.70 | 9.21 | 10.35 | 11.60 | 3.70 | 266.0 |
| 16 | G80 | 8.00 | 11.00 | 12.35 | 13.85 | 5.60 | 321.2 |
| 16 | G100 | 10.00 | 13.75 | 15.44 | 17.32 | 5.60 | 401.5 |
| 20 | G80 | 12.50 | 17.20 | 19.32 | 21.65 | 8.80 | 502.0 |
| 20 | G100 | 15.80 | 21.73 | 24.41 | 27.37 | 8.80 | 627.5 |
Note: WLL values are based on 60° sling angle; derate for tighter angles. All specifications conform to EN 818-4 and equivalent standards. Custom sizes available up to 32mm diameter.
Application Scenarios
Lifting chain slings excel in demanding environments where precision, strength, and safety are non-negotiable. In construction and infrastructure projects, they are indispensable for hoisting precast concrete panels, steel girders, and rebar bundles, accommodating the rigors of outdoor exposure and dynamic loads. Manufacturing and fabrication shops rely on them for maneuvering heavy dies, presses, and machinery components during assembly or maintenance, with multi-leg configurations enabling balanced lifts of irregular shapes.
In shipping and logistics, lifting chain slings facilitate the loading/unloading of shipping containers, engines, and oversized cargo at ports or warehouses, their compact design allowing storage in tight spaces. The oil and gas sector deploys them for rigging pipes, valves, and drilling equipment onshore or offshore, where corrosion resistance and high-temperature tolerance are critical. Automotive and aerospace industries use specialized G100 lifting chain slings for lifting engine blocks, transmissions, and airframes, benefiting from higher WLL in compact forms.
Additional scenarios include foundries and steel mills for molten metal ladles, mining operations for ore skips, and power generation for turbine components. Their adaptability to cranes, hoists, and forklifts ensures seamless integration into existing workflows, minimizing setup time and maximizing throughput.
Advantages
Opting for our lifting chain slings provides distinct advantages over alternative rigging methods. Firstly, their unparalleled durability results in a longer lifespan—often 5-10 times that of nylon slings—translating to lower replacement costs and reduced total ownership expenses. The high safety factor (4:1 or better) exceeds regulatory requirements, offering peace of mind during inspections and audits.
Versatility in configurations allows seamless adaptation to vertical, horizontal, or basket lifts without specialized tools, while easy inspection protocols—visual checks for wear, stretch, or nicks—enable quick compliance with OSHA, LOLER, or ISO standards. Unlike fiber slings, lifting chain slings maintain full capacity in extreme temperatures and resist chemical damage, making them suitable for petrochemical plants or foundries.
Environmentally, their recyclability and minimal maintenance enhance sustainability. Economically, bulk purchasing and customization options yield competitive pricing, with ROI realized through fewer incidents and downtime. Ultimately, our slings elevate your lifting operations with reliability that safeguards personnel, assets, and productivity.
Why Choose Us
As a leading manufacturer of lifting chain slings, we prioritize quality from raw material sourcing to final dispatch. Our ISO 9001-certified facilities employ state-of-the-art forging, quenching, and testing equipment, ensuring every sling meets or exceeds global standards. We offer full traceability via digital batch records and provide third-party certifications from bodies like TÜV or SGS upon request.
With decades of expertise in international trade, we serve clients in over 50 countries, offering custom solutions like non-standard lengths, stainless steel variants for food/pharma, or integrated RFID tagging for asset management. Our robust supply chain guarantees short lead times—even for large orders—and competitive MOQs. Rigorous quality control, including 100% magnetic particle inspection (MPI) on welds, eliminates defects, backed by a comprehensive warranty.
Partner with us for unparalleled support: detailed user manuals, training resources, and responsive technical assistance ensure your team maximizes sling performance safely and efficiently.
FAQ
What is the difference between G80 and G100 lifting chain slings?
G80 chains have a minimum breaking strength of 800MPa with a 4:1 safety factor, suitable for most applications. G100 offers 1000MPa strength, allowing 25% higher WLL in the same size, ideal for compact, high-capacity lifts.
How do I determine the correct working load limit for a lifting chain sling?
WLL depends on chain diameter, grade, number of legs, and sling angle. Use the table above as a guide; always derate by 20-50% for angles under 60° and consult a rigger for complex setups.
What maintenance is required for lifting chain slings?
Perform daily visual inspections for cuts, cracks, or deformation. Monthly, measure link wear (max 5% elongation) and check hooks for latch function. Store clean and dry; lubricate quarterly per manufacturer guidelines.
Are your lifting chain slings suitable for overhead cranes?
Yes, fully compatible with overhead cranes, gantry systems, and mobile hoists, provided the crane's capacity matches the sling's WLL and proper rigging techniques are followed.
Can lifting chain slings be repaired?
Minor repairs like hook replacement are possible by certified personnel, but chain legs must be replaced if damaged. We recommend full sling replacement for compromised integrity to maintain safety.
What certifications do your lifting chain slings carry?
All slings comply with EN 818-1/2/4, ASME B30.9, AS 2321, and KS standards, with test certificates provided. Custom certifications available.
How are lifting chain slings packaged for international shipping?
Securely coiled on wooden reels or in plywood crates, with protective coverings to prevent transit damage, ensuring compliance with IMDG and IATA regulations where applicable.