G80 load chain
G80 Load Chain
Product Overview
Discover the pinnacle of reliability in heavy-duty lifting with our premium G80 load chain. Engineered from high-tensile alloy steel, this grade 80 lifting chain meets the stringent EN 818-7 standards, ensuring exceptional performance in demanding industrial environments. Designed specifically for overhead lifting applications, the G80 load chain offers a superior working load limit (WLL) with a safety factor of 4:1, making it the go-to choice for professionals who prioritize safety and efficiency.
Our G80 load chain is quenched and tempered for maximum strength and durability, resisting wear, corrosion, and fatigue even under extreme conditions. Available in a range of diameters from 6mm to 26mm, it provides versatility for various load capacities, from light-duty hoists to heavy industrial cranes. Whether you're securing cargo in shipping yards or lifting machinery in manufacturing facilities, this G80 load chain delivers unmatched tensile strength of up to 800 N/mm², ensuring operations run smoothly without compromise.
As a critical component in chain slings, electric hoists, and manual lifting systems, the G80 load chain undergoes rigorous testing, including proof load and breaking force verification, to guarantee compliance with international regulations like ASME B30.9 and ISO 3076. Its black oxide or galvanized surface finish enhances longevity, reducing maintenance costs and downtime. Invest in the G80 load chain for a solution that combines robustness, precision engineering, and proven reliability, empowering your business to handle the toughest lifting challenges with confidence.
Key Features
- High-Strength Alloy Steel Construction: Forged from premium low-alloy steel, the G80 load chain achieves a minimum tensile strength of 800 N/mm², outperforming lower-grade chains in load-bearing capacity.
- Quenched and Tempered Heat Treatment: Ensures uniform hardness and toughness, minimizing elongation under load and extending service life in repetitive lifting operations.
- Precision Manufacturing: Welded links feature exact dimensions and smooth surfaces, reducing friction in sprockets and pulleys for seamless operation.
- Corrosion Resistance: Optional electro-galvanized or hot-dip galvanized coatings protect against rust in harsh environments like marine or chemical processing settings.
- Color-Coded Identification: Blue漆 marking on each link confirms G80 grade, facilitating quick visual inspection and regulatory compliance.
- Optimized Link Design: Increased inside width and uniform pitch prevent chain jamming, enhancing safety during dynamic loads.
- Full Traceability: Each batch includes test certificates, batch numbers, and QR codes for complete provenance from raw material to finished product.
- Versatile Accessories Compatibility: Perfectly mates with G80 hooks, master links, and connectors for customized sling assemblies.
Technical Specifications
Below is a comprehensive table detailing the technical specifications for our G80 load chain. All values are based on EN 818-7 standards, with working load limits calculated at a 4:1 safety factor.
| Chain Diameter (mm) | Inside Width (min, mm) | Outside Width (max, mm) | Working Load Limit (WLL, tonnes) | Breaking Load (kN) | Weight per Meter (kg/m) | Proof Load (kN) |
|---|---|---|---|---|---|---|
| 6 | 17 | 21 | 0.92 | 36 | 0.79 | 14.4 |
| 7 | 20 | 25 | 1.50 | 59 | 1.07 | 23.6 |
| 8 | 24 | 29 | 2.00 | 80 | 1.41 | 32 |
| 10 | 30 | 37 | 3.15 | 125 | 2.20 | 50 |
| 13 | 39 | 48 | 5.30 | 212 | 3.70 | 84.8 |
| 16 | 48 | 60 | 8.00 | 320 | 5.63 | 128 |
| 18 | 54 | 67 | 10.00 | 400 | 7.12 | 160 |
| 20 | 60 | 74 | 12.50 | 500 | 8.60 | 200 |
| 22 | 66 | 82 | 15.00 | 600 | 10.50 | 240 |
| 26 | 78 | 97 | 21.20 | 848 | 14.80 | 339 |
Note: Specifications are nominal and subject to manufacturing tolerances. Always refer to the latest test certificate for precise values. Custom lengths and finishes available upon request.
Application Scenarios
The G80 load chain excels in a wide array of industrial applications where safety and performance are non-negotiable. In construction sites, it powers tower cranes and mobile hoists for lifting steel beams, concrete forms, and heavy equipment, enduring the rigors of outdoor exposure and dynamic shocks.
Manufacturing facilities rely on G80 load chain for assembly line hoists, transferring machinery components and finished products with precision. In the automotive sector, it's integral to engine block handling and pallet transfer systems, supporting high-volume operations without failure.
Shipping and logistics benefit from its use in container yards, where G80 load chain secures and lifts oversized cargo, withstands saltwater corrosion, and complies with port authority regulations. Oil and gas platforms employ it for rigging and maintenance lifts in hazardous environments, thanks to its explosion-proof compatibility when paired with certified fittings.
Additionally, warehouses and distribution centers use G80 load chain in overhead traveling cranes for efficient pallet stacking and retrieval. In mining operations, it handles ore skips and drilling equipment, resisting abrasive wear from dust and debris. Its adaptability extends to entertainment rigging for stage lighting and scenery, ensuring spectator safety during live events.
Advantages
Choosing our G80 load chain provides distinct advantages over standard grade 70 or lower chains. With a higher breaking strength and reduced link elongation, it allows for lighter assemblies that carry heavier loads, optimizing space and reducing overall system weight by up to 20% compared to competitors.
The superior fatigue resistance—demonstrated through millions of bending cycles in lab tests—means fewer replacements and lower long-term costs. Its precise calibration ensures even load distribution in multi-leg slings, preventing weak points and enhancing safety margins.
Environmentally, the G80 load chain's durability minimizes waste, aligning with sustainable practices. Certification to multiple standards (EN, DIN, ASME) simplifies global compliance, while the embedded identification system streamlines inspections per OSHA and LOLER guidelines.
Furthermore, its compatibility with automated systems reduces setup time, boosting productivity. In shock load scenarios, the chain's ductility absorbs energy without fracturing, a critical edge in unpredictable operations like demolition or salvage work.
Why Choose Us
As a trusted manufacturer and exporter of industrial chains, we stand out in the G80 load chain market through unwavering commitment to quality. Our state-of-the-art production lines, equipped with automated welding and heat treatment furnaces, produce chains with zero defects, backed by ISO 9001 and CE certifications.
We source only virgin alloy steel from verified mills, ensuring batch-to-batch consistency. Every meter of G80 load chain is individually proof-tested at 2.5 times WLL, with full documentation provided. Our global supply chain guarantees short lead times, even for custom orders, serving clients in over 50 countries.
With decades of expertise, our engineers collaborate on tailored solutions, from finite element analysis for custom applications to on-site training for safe usage. Competitive pricing stems from vertical integration, without compromising on premium materials or rigorous quality controls. Partner with us for a G80 load chain that exceeds expectations, fostering long-term reliability in your operations.
FAQ
What is the safety factor of G80 load chain?
The G80 load chain features a 4:1 design safety factor, meaning the minimum breaking load is four times the working load limit, as per EN 818-7 standards.
Can G80 load chain be used for overhead lifting?
Yes, it is specifically rated and certified for overhead lifting in single, double, or multi-leg slings when assembled with compatible grade 80 components.
How do I identify genuine G80 load chain?
Look for blue paint markings on the links, engraved grade markings, and accompanying test certificates. Avoid chains without traceability.
What maintenance is required for G80 load chain?
Perform daily visual inspections for wear, cracks, or deformation. Lubricate regularly with penetrating oil, and conduct professional proof testing annually or per usage cycles.
Is the G80 load chain suitable for corrosive environments?
Absolutely; opt for galvanized finishes for enhanced protection. For extreme conditions, we offer specialized coatings upon request.
What lengths are available for G80 load chain?
Standard lengths up to 100 meters per drum, with custom cuts from 1 meter. Bulk drums for large projects ensure cost efficiency.
Does G80 load chain comply with international standards?
Yes, fully compliant with EN 818-7, ASME B30.9, AS 2321, and NABIMA specifications, ensuring worldwide acceptance.