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G43 13mm 14mm 16mm 18mm 19mm Thick Link Chains Long Hot Dip Galvanized G80 G100 Welded Chains
| Place of Origin | China |
|---|---|
| Brand Name | JC Maritime |
| Certification | CCS.ABS.LRS.BV.GL.DNV.NK.RMRS |
| Model Number | U1 U2 U3 |
| Minimum Order Quantity | 20 Meters |
| Price | USD 800~1200 PER PIECE |
| Packaging Details | 1. Bare packed: packed in bundles 2. Packed in iron drums then on pallets 3. Packed in woodencase 4. Required by cllent shipping |
| Delivery Time | 10-45 Days |
| Payment Terms | T/T, Western Union, L/C, MoneyGram, D/A, D/P |
| Supply Ability | 15000 Metric Ton/Metric Tons Per Year |
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xProduct Details
| Product Name | 52mm High - Strength Alloy Steel Galvanized Stud Link Anchor Chain Seafloor Engagement | Type Number | U1 U2 U3 |
|---|---|---|---|
| Material | High - Strength Alloy Steel/Stainless Steel/Carbon Steel | Surface Finishing | Polished,Spray Paint,Galvanized |
| Color | Black/Red/Yellow Or Customer Demand | Certificate | ABS,BV,DNVGL,KR,LR,NK,RINA,CCS,PRS,IRS,RS,CRS Certificated |
| Design | Simple And Sturdy | Port Of Loading | Qingdao, China |
Product Description
G43 13mm 14mm 16mm 18mm 19mm Thick Link Chains Long Hot Dip Galvanized G80 G100 Welded Chains
G43/G80/G100 Welded Link Chains—available in 13mm, 14mm, 16mm, 18mm, and 19mm thicknesses—are engineered for high-strength, corrosion-resistant performance in heavy-duty lifting, rigging, towing, and industrial applications. Featuring full-length hot dip galvanization (HDG) for maximum rust protection and precision-welded links for structural integrity, these chains cater to diverse load requirements: from G43’s reliable medium-duty use to G80/G100’s ultra-high-strength capabilities for extreme loads. Designed for long-length deployment (customizable to project needs), they are ideal for construction, logistics, mining, and marine industrial tasks where durability and safety are non-negotiable.
1. Strength Grades: G43, G80, G100 – Tailored to Load Demands
Each chain grade is manufactured to meet strict international standards, ensuring load-bearing reliability across applications:
G43 Grade (Medium-Duty)
- Material: High-quality low-carbon steel (S235JR) with precision heat treatment, delivering a minimum tensile strength of 430 MPa and minimum breaking load (MBL) ranging from 22 kN (13mm) to 45 kN (19mm).
- Ideal Use Cases: Medium-load tasks such as general rigging for light construction materials, securing cargo on trucks/trailers, agricultural equipment towing, and non-critical lifting (working load limit, WLL: 4.4 kN–9 kN, based on 5:1 safety factor).
- Compliance: Meets ISO 4347 (standard for welded steel chains) and EN 818-2 (for general-purpose lifting chains), ensuring compatibility with standard rigging hardware (shackles, hooks, slings).
G80 Grade (Heavy-Duty)
- Material: Alloy steel (Cr-Mn-Si) with quenching and tempering treatment, achieving a minimum tensile strength of 800 MPa—nearly double G43’s strength. MBL ranges from 40 kN (13mm) to 82 kN (19mm).
- Ideal Use Cases: Heavy lifting and rigging, including construction crane operations (lifting steel beams, concrete blocks), mining equipment hauling, container loading/unloading, and industrial machinery installation. WLL: 8 kN–16.4 kN (5:1 safety factor).
- Compliance: Certified to ISO 4347 and EN 818-4 (high-strength alloy steel chains), with visible G80 stamping on each link for easy identification—mandatory for regulated lifting operations.
G100 Grade (Ultra-Heavy-Duty)
- Material: Premium alloy steel (high-carbon Cr-Ni-Mo) with advanced heat treatment, boasting a minimum tensile strength of 1000 MPa and MBL from 50 kN (13mm) to 102 kN (19mm)—the highest strength in our range.
- Ideal Use Cases: Extreme-load scenarios such as offshore rigging, heavy machinery towing (excavators, bulldozers), deep-sea cargo lifting, and high-stress industrial applications. WLL: 10 kN–20.4 kN (5:1 safety factor), with optional 4:1 safety factor configurations for specialized projects.
- Compliance: Meets ISO 4347 and EN 818-4 (enhanced for ultra-high strength), with third-party testing (by SGS or TÜV) to validate performance—critical for high-risk operations.
2. Core Specifications: 13mm-19mm Thickness & Long-Length Design
Multi-Thickness Range for Versatility
The 13mm–19mm link thicknesses cover a spectrum of application needs, with uniform link geometry (pitch, width) optimized for each grade:
- 13mm–14mm: Suitable for light-to-medium loads (e.g., G43 for cargo securing, G80 for small crane lifting). Compact size ensures compatibility with narrow rigging points and small hardware.
- 16mm–18mm: The most versatile range—ideal for G80’s heavy lifting (e.g., construction beams) and G100’s moderate extreme loads (e.g., mining equipment). Balances strength and maneuverability.
- 19mm: Reserved for G80/G100’s ultra-heavy tasks (e.g., offshore cargo, large machinery). Thick links provide maximum load-bearing capacity, with reinforced welds to handle high tension.
Long-Length Customization
Unlike standard short-length chains, our products are designed for long-length deployment—critical for tasks requiring extended reach:
- Standard Lengths: 10m, 20m, 50m, and 100m coils, suitable for most industrial rigging and towing needs.
- Custom Lengths: Available up to 500m (or longer, by request) for large-scale projects such as bridge construction (suspension cables), mining conveyor systems, or offshore mooring lines. Long lengths are supplied on heavy-duty steel reels or wooden spools for easy unspooling and storage.
3. Hot Dip Galvanization (HDG): Maximum Corrosion Resistance
Every chain undergoes full-length hot dip galvanization—a process where the entire chain (including link interiors and welds) is dipped in molten zinc (450°C) to form a thick, uniform protective layer (85–120μm thickness). This treatment delivers:
- All-Weather Protection: Resists rust, oxidation, and corrosion in harsh environments, including:
- Outdoor construction sites (rain, snow, humidity).
- Marine/coastal areas (salt spray, seawater exposure).
- Industrial settings (chemical fumes, dust, moisture).
- Abrasion & Impact Resistance: The zinc coating adds surface hardness, reducing wear from contact with rough surfaces (concrete, steel, rocks) and minor impacts during handling.
- Long Service Life: Extends chain lifespan by 3–5x compared to painted or electroplated chains. Requires minimal maintenance—simply rinse with freshwater after exposure to salt or chemicals to preserve the coating.
4. Precision-Welded Link Structure: Safety & Durability
Each link is hot-welded and pressure-forged to eliminate weak points, ensuring structural integrity under load:
- Seamless Welds: Weld joints are heated to full fusion and smoothed to match link contours, preventing stress concentration that can cause breakage. Post-weld heat treatment further strengthens welds, ensuring they perform as well as the link itself.
- Uniform Link Geometry: Computer-controlled forging ensures consistent link pitch, width, and thickness—critical for compatibility with rigging hardware (e.g., G80 hooks, shackles) and smooth operation in chain hoists or winches.
- Anti-Deformation Design: Links are engineered to resist bending or twisting under load, even when subjected to lateral forces (e.g., uneven cargo securing, windy lifting conditions). This prevents "link lock" and ensures safe, predictable performance.
5. Application Scope: Heavy-Duty Industrial & Commercial Use
These chains excel in diverse high-demand scenarios:
- Construction: G80/G100 for crane lifting (steel, concrete), G43 for scaffolding securing and tool towing.
- Logistics & Transportation: G43/G80 for truck/trailer cargo securing (containers, heavy equipment), G100 for oversized load towing (ships, trains).
- Mining & Quarrying: G80/G100 for hauling ore, equipment towing, and conveyor system support—resistant to dust, moisture, and impact.
- Marine Industrial: G80/G100 (HDG-coated) for offshore rigging, barge mooring, and subsea equipment lifting—withstands saltwater corrosion and harsh ocean conditions.
- Agriculture & Forestry: G43 for tractor towing, hay bale securing; G80 for logging equipment (hauling trees, heavy machinery).
6. Quality Assurance & Compliance
Rigorous Testing Protocols
Every batch undergoes comprehensive quality checks to ensure safety and performance:
- Tensile & Breaking Load Testing: Random samples are pulled to breaking point using hydraulic testing machines, with results documented to confirm compliance with grade specifications.
- Weld Strength Testing: Weld joints are subjected to torsion and impact tests to verify fusion integrity.
- Corrosion Testing: HDG-coated chains undergo 1,000-hour salt spray testing (per ASTM B117) to confirm rust resistance.
- Dimensional Inspection: Laser measurements ensure link dimensions meet ISO/EN standards, with no deviations outside tolerance limits.
Certification & Traceability
- Grade Marking: Each link is stamped with grade (G43/G80/G100), thickness, and batch number for full traceability. G80/G100 chains include certification labels (SGS/TÜV) with test results.
- Global Compliance: Meets standards for North America (ANSI B30.9), Europe (EN 818), and Asia (JIS B8806), ensuring compatibility with international projects and regulatory requirements.
7. Packaging & Handling
- Heavy-Duty Packaging:
- Short lengths (10m–50m): Wrapped in moisture-resistant polyethylene film and packed in steel-reinforced cardboard boxes.
- Long lengths (100m–500m): Wound on heavy-duty steel reels (with locking pins) or wooden spools, secured with steel bands to prevent shifting during transit. Reels include lifting lugs for easy handling with cranes or forklifts.
- Handling Guidelines: Each package includes a user manual with WLL, MBL, and safety instructions—critical for preventing overloading and ensuring proper use.
Choose our G43/G80/G100 Welded Link Chains for a high-strength, corrosion-resistant solution that meets the toughest industrial demands. Backed by rigorous testing, global compliance, and a focus on safety, these chains deliver reliable performance in every heavy-duty application—from construction sites to offshore rigs.
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