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◆◆ Product Advantage
Premium Alloy Steel & Precision Manufacturing
Crafted from high-carbon alloy steel (e.g., ASTM A1023), our G80 chains undergo quenching and tempering processes to achieve a minimum tensile strength of 800 MPa and elongation ≥12%. This manufacturing standard ensures consistent performance under heavy loads, with tight dimensional tolerances (±0.3mm link size) for smooth interaction with hooks and lifting equipment.
Keywords: High-strength G80 chain, alloy steel lifting chain, precision-manufactured chain
4:1 Safety Factor for Heavy-Duty Reliability
Designed with a safety factor of 4:1 (static load), G80 chains safely handle 4x their rated working load (e.g., a 10-ton chain supports up to 40 tons statically). This exceeds ANSI B30.9 requirements, making them ideal for critical applications like crane lifting, construction rigging, and heavy machinery installation—minimizing accident risks.
Keywords: Safe G80 lifting chain, 4:1 safety factor chain, ANSI-certified lifting chain
Corrosion Resistance for Harsh Environments
Available with zinc plating (50-80μm thickness) or Dacromet coating, G80 chains resist rust in humid, saltwater, or chemical environments. Salt spray test results show no corrosion after 500 hours (zinc-plated) or 1000 hours (Dacromet), ensuring longevity in marine, mining, or outdoor industrial settings.
Keywords: Corrosion-resistant G80 chain, zinc-plated lifting chain, Dacromet G80 chain
Certified Compliance for Global Use
All G80 chains are certified to ANSI B30.9 (US), ISO 606 (International), and CE (EU) standards, with third-party test reports (e.g., tensile strength, impact resistance) provided for traceability. This compliance guarantees interoperability with global lifting equipment and meets strict regulatory requirements for industrial safety.
Keywords: Certified G80 lifting chain, ISO 606 chain, CE-certified lifting chain
Flexible Link Design for Versatile Applications
Featuring a compact, oval-shaped link design (pitch: 1.5–3 inches), G80 chains reduce wear on hooks and slings while maintaining high bending strength. The rounded edges prevent snagging, making them suitable for confined spaces, rigging, or lifting irregularly shaped loads—from steel beams to heavy machinery components.
Keywords: Flexible G80 lifting chain, oval-link lifting chain, versatile industrial chain
By integrating premium materials, rigorous testing, and global certifications, G80 lifting chains deliver unmatched strength, durability, and safety—making them the preferred choice for professionals in construction, mining, logistics, and heavy industry.
◆◆ Technical Parameters
| Material | High-carbon alloy steel (ASTM A1023), heat-treated for enhanced strength and wear resistance |
| Surface Treatment | Hot-dip galvanized, zinc plating (50–80μm), blackening, or powder coating for corrosion protection |
| Safety Factor | Minimum 4:1 (static load), exceeding ANSI/ISO standards for heavy-duty applications |
| Pitch (mm) | 8–40 (varies by chain size) |
| Breaking Load (kN) | 45.6 kN (1.1t) to 1,286 kN (34t) |
| Working Load (t) | 1.1t–34t (rated capacity) |
| Weight per Meter (kg/m) | 0.54–22.78 (depends on chain size) |
| Chain Size (mm) | 6×18 / 8×24 / 10×30 / 20×60 / 30×108 |
| Inner Width (mm) | 7.5 / 10 / 12.5 / 25 / 34 |
| Breaking Load by Size (kN) | 29 (6×18) / 48 (8×24) / 76 (10×30) / 300 (20×60) / 28.3 (30×108)* |
| Working Load by Size (t) | 1.1 (6×18) / 2.0 (8×24) / 3.2 (10×30) / 8.6 (20×60) / 18 (30×108) |
| Weight by Size (kg/m) | 0.54 (6×18) / 1.38 (8×24) / 2.2 (10×30) / 5.63 (20×60) / 18 (30×108) |
| Tensile Strength | ≥800 MPa, ensuring reliability under extreme loads |
| Durability | Resists wear and deformation, validated by salt spray tests (500–1,000 hours) |
| Certifications | ISO 606, ANSI B30.9, CE, DIN 5687 (global compliance for safety and interoperability) |
| Typical Applications | Construction, mining, port logistics, heavy machinery lifting, towing, and recovery operations |
◆◆ Product Uses
1. Heavy Industrial Manufacturing
G80 chains are widely used in foundries and machinery workshops for lifting and positioning heavy castings, forgings, or assembly components. Their 4:1 safety factor ensures stability during high-tonnage operations (e.g., 34-ton loads in automotive plants) . Compatible with electric hoists like DHY-type cranes, they streamline workflows in precision engineering and heavy equipment assembly.
2. Port & Logistics Operations
In container terminals, G80 chains secure and transport 20–40ft shipping containers. For example, Rotterdam’s port reduced chain failures by 58% by optimizing chain angles (45° slopes) with G80 hooks . They also handle cargo lashing, pallet stacking, and tow tractors, resisting saltwater corrosion from maritime environments
3. Construction & Infrastructure
G80 chains are critical for erecting steel frameworks, bridge decks, and wind turbine blades. Their 800 MPa tensile strength supports dynamic loads during high-rise crane lifts. In China’s infrastructure projects, they’re used for railway bridge assembly and highway sign installation .
4. Mining & Energy Sector
Mining operations rely on G80 chains for hauling ore, drilling rig components, and heavy machinery. For instance, in open-pit coal mines, they connect excavators to dump trucks, enduring abrasive conditions. Offshore oil rigs use them for pipeline maintenance and subsea equipment deployment
5. Marine & Shipbuilding
On ships and offshore platforms, G80 chains secure lifeboats, anchor systems, and cargo holds. Zinc-nickel-coated variants (ISO 9227 Class 5) withstand -40°C to 400°C temperatures and resist saltwater corrosion. A North Sea rig reported 9–22 months of service life under harsh conditions
◆◆ Product Operate Guide
1. Pre-Use Check: Inspect for cracks, twists, or wear; confirm no damage to hooks/links. Verify load ≤ rated capacity (e.g., 10t chain for ≤10t).
2. Mounting: Align chain with load center, attach to secure lifting points (avoid sharp edges). Use matched shackles for even force distribution.
3. Operation: Lift slowly (max 0.5m/s); avoid sudden stops or shocks. Keep hands clear during movement.
4. Post-Use: Clean debris, store in dry area; lubricate links quarterly (use anti-rust oil).
5. Safety Note: Never overload or use damaged chains—inspect certificates (ISO 606/ANSI B30.9) for compliance.
◆◆ Product Video
◆◆ FAQ
Q1: Will G80 chains break suddenly during use?
G80 chains have a minimum safety factor of 4:1 (static load), tested to ANSI B30.9 and ISO 606. Regular inspections (checking cracks, twists, or wear) and avoiding overloading prevent sudden failures.
Q2: How to select the correct G80 chain size?
Match the chain’s rated working load to your lifting task (e.g., a 10-ton load requires a 10-ton chain). Refer to the manufacturer’s load chart and account for dynamic forces (e.g., impact during acceleration).
Q3: How often should G80 chains be maintained?
Inspect monthly for wear, cracks, or deformation; clean debris and lubricate with anti-rust oil quarterly. Annual professional testing (e.g., tensile strength checks) ensures long-term safety.
Q4: Can G80 chains resist corrosion in salty environments?
Yes—zinc-plated (50-80μm) or Dacromet-coated models resist saltwater corrosion. For extreme conditions (e.g., offshore rigs), choose chains with ISO 9227 Class 5 corrosion resistance.
Q5: Are G80 chains compliant with global safety standards?
Absolutely—they meet ANSI B30.9 (US), ISO 606 (International), and CE (EU) certifications. Third-party test reports (e.g., breaking load, impact resistance) are provided for traceability.
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