OEM link chain
OEM Link Chain
1. Product Overview
Our OEM link chain represents the pinnacle of industrial chain manufacturing, engineered for superior performance in demanding applications worldwide. As a leading supplier in the international trade sector, we specialize in producing high-quality, customizable OEM link chains that meet the exact specifications of original equipment manufacturers (OEMs). These chains are fabricated from premium-grade alloy steel, ensuring exceptional tensile strength, corrosion resistance, and longevity.
Designed for versatility, our OEM link chain is available in a range of configurations, including welded, short link, medium link, and long link varieties. Whether you require chains for lifting, rigging, conveyor systems, or marine anchoring, our products deliver unmatched reliability. We prioritize customization, allowing clients to specify dimensions, surface treatments like hot-dip galvanizing or black oxide coating, and compliance with international standards such as EN818-2, ASTM A413, and ISO 3076.
With decades of expertise in steel chain production, we ensure every OEM link chain undergoes rigorous quality control, from raw material selection to final testing. This commitment to excellence makes our chains the preferred choice for B2B partners seeking durable, cost-effective solutions that enhance operational efficiency and safety.
2. Key Features
- High Tensile Strength: Constructed from low-alloy, high-carbon steel, our OEM link chain offers grade 80 or grade 100 load capacities, capable of withstanding extreme loads up to 100 tons.
- Corrosion Resistance: Optional hot-dip galvanized or zinc-plated finishes protect against harsh environments, extending service life in marine, chemical, and outdoor settings.
- Precise Welding: Fully automated electric butt welding ensures seamless links with minimal defects, providing uniform strength across the entire chain length.
- Customizable Dimensions: Available in diameters from 6mm to 130mm, with pitch lengths tailored to OEM requirements for optimal fit in machinery and equipment.
- Proof Load Tested: Each batch is proof-tested to 1.5-2.5 times the working load limit (WLL), guaranteeing safety and compliance with global regulations.
- Lightweight Design: Optimized link geometry reduces weight without compromising strength, facilitating easier handling and installation.
- Traceability: Laser-etched batch numbers and QR codes enable full traceability from production to end-use.
3. Technical Specifications
| Diameter (mm) | Inside Length (mm) | Outside Width (mm) | Weight (kg/m) | Working Load Limit (WLL) - Grade 80 (tons) | Breaking Load (tons) | Material Grade |
|---|---|---|---|---|---|---|
| 6 | 18 | 21.9 | 0.79 | 0.92 | 3.68 | 6/8/10 |
| 8 | 24 | 29.2 | 1.38 | 1.41 | 6.64 | 6/8/10 |
| 10 | 30 | 36.5 | 2.2 | 2.2 | 11 | 6/8/10 |
| 13 | 39 | 47.4 | 3.8 | 3.79 | 18.94 | 6/8/10 |
| 16 | 48 | 58.2 | 5.63 | 5.71 | 28.55 | 6/8/10 |
| 20 | 60 | 72.8 | 8.84 | 8.9 | 44.5 | 8/10 |
| 26 | 78 | 94.8 | 15.2 | 15.5 | 77.5 | 8/10 |
| 32 | 96 | 116.8 | 23 | 23.6 | 118 | 8/10 |
| 40 | 120 | 146 | 36 | 36.8 | 184 | 10 |
| 50 | 150 | 182.5 | 56.4 | 57.5 | 287.5 | 10 |
Note: Specifications are for standard short link OEM link chain. Custom sizes and grades available upon request. All values are approximate and based on EN818-2 standards.
4. Application Scenarios
The versatility of our OEM link chain makes it indispensable across diverse industries. In construction and heavy lifting, grade 80 and 100 chains are used in cranes, hoists, and slings to securely handle steel beams, concrete forms, and machinery components, ensuring compliance with OSHA and EU Machinery Directive standards.
Marine and offshore sectors rely on our galvanized OEM link chains for anchor chains, mooring lines, and towing applications, where resistance to saltwater corrosion is critical. In mining operations, robust chains facilitate conveyor systems and draglines, enduring abrasive conditions and heavy payloads.
Manufacturing facilities integrate custom OEM link chains into assembly lines, forklifts, and overhead trolleys for seamless material handling. Agriculture benefits from lighter-duty variants in hay balers and livestock equipment, while the oil and gas industry employs high-strength chains in drilling rigs and pipeline pulling.
Additionally, our chains excel in automotive production for towing and securing loads, and in entertainment rigging for stage equipment. Each application leverages the chain's fatigue resistance and elongation properties, minimizing downtime and maximizing safety.
5. Advantages
Choosing our OEM link chain provides distinct competitive edges. Firstly, superior material composition—manganese alloy steel with controlled carbon content—delivers higher yield strength than standard chains, reducing the risk of deformation under load.
Our state-of-the-art manufacturing process, including induction heat treatment, enhances ductility and impact resistance, ideal for dynamic loading scenarios. Surface treatments like electro-galvanizing offer up to 5x better corrosion protection compared to untreated chains.
Customization is a core advantage: we produce OEM link chains in exact lengths, pitches, and configurations, eliminating the need for field modifications. This precision integration saves time and costs for OEM assemblers.
Certifications including CE, GS, and TUV underscore our adherence to ISO 9001 quality management. Environmental sustainability is prioritized through recyclable materials and low-emission production, appealing to eco-conscious buyers.
Economically, bulk OEM orders benefit from scalable pricing, with lead times as short as 4 weeks. Comprehensive testing reports accompany every shipment, building trust and facilitating regulatory approvals.
6. Why Choose Us
As a premier manufacturer of OEM link chain, we stand out through unwavering commitment to quality and innovation. With over 25 years in international trade, our facilities span 50,000 sqm, equipped with advanced CNC welding lines and non-destructive testing equipment, producing 10,000 tons annually.
We serve Fortune 500 OEMs across Europe, North America, and Asia, customizing OEM link chains for brands in lifting equipment, marine hardware, and industrial machinery. Our R&D team continuously refines designs, incorporating finite element analysis for optimized stress distribution.
Rigorous quality assurance includes 100% visual inspection, magnetic particle testing, and destructive breaking tests on samples. We maintain strategic stockpiles for rapid prototyping and sampling, accelerating your product development cycle.
Global logistics networks ensure on-time delivery via sea, air, or rail, with flexible packaging options like master coils or cut lengths. Our technical support team provides application engineering advice, from load calculations to maintenance protocols.
Partnering with us means accessing a reliable supply chain fortified by long-term raw material contracts, shielding against market volatility. We foster enduring B2B relationships built on transparency, competitive MOQs, and value-added services like private labeling.
7. FAQ
Q: What is the minimum order quantity for OEM link chain?
A: Our MOQ is 100 meters per size, but flexible for long-term partners.
Q: Are your OEM link chains certified for lifting applications?
A: Yes, all grade 80/100 chains comply with EN818-2, NACM, and ASME B30.9, with test certificates provided.
Q: Can you customize surface treatments for OEM link chain?
A: Absolutely. Options include hot-dip galvanizing (up to 100 microns), self-colored, or powder coating to suit specific environments.
Q: What is the lead time for custom OEM link chain orders?
A: Standard sizes ship in 2-4 weeks; custom orders in 4-6 weeks, depending on specifications.
Q: How do you ensure the quality of welded links in OEM link chain?
A: Electric butt welding followed by heat treatment and 100% ultrasonic testing detects any imperfections.
Q: Do you offer samples of OEM link chain?
A: Yes, nominal charges apply for samples up to 5 meters, refunded on bulk orders.
Q: What standards govern your OEM link chain production?
A: We adhere to ISO 3076, DIN 5685, and customer-specific requirements, with full traceability.