Professional G80 Chain Manufacturer
G80 Chain is a type of straight link chain with shorter links, made from high-quality alloy steel, offering excellent working load capacity and tensile strength. It is suitable for applications that require high safety and load-bearing standards.
Tuohai has over 20 years of experience in the production of Grade 80 metal link chains, with advanced automated production equipment. We offer a wide range of standard and custom-sized G80 Chains, such as DIN 766 chains, as well as various surface treatment options to meet your different needs. We are committed to providing safe and reliable high-strength chain solutions for customers worldwide.
| Material | Selected high-strength alloy steels such as 20Mn2, 25MnV, etc. |
| Diameter | 6mm to 32mm |
| Surface Treatment | Hot-dip galvanized, electroplated zinc, coating, quenching and tempering, etc. |
| Standards | ANSI/ASME, EN 818-2, DIN 5687, DIN766, ISO 3076, etc. |
| Packaging | Iron barrels, sacks, etc. |
Product Features
Withstand extreme temperatures and wear, ensuring stability in harsh environments.
High strength and impact resistance, reducing the risk of breakage during use.
Automated equipment with strict error control, ensuring consistent link shapes.
Excellent surface treatment, rust-proof chain, extending service life.
Ultra-High Working Load Limit
Tuohai’s G80 Chain is made of high-strength alloy steels such as 20Mn2 and 25MnV, combined with Tuohai’s top-tier production technology. These chains boast extremely high working load limits and breaking strengths, with a strength increase of over 20% compared to G70 chains and higher strength than chains produced by other factories. Each chain undergoes multiple calibrations and inspections, ensuring exceptional safety and durability. Whether used as trailer chains or lifting chains, Tuohai’s G80 Chains provide reliable support in high-strength and harsh environments.
Superior Welding Techniques
With over 25 years of experience in welding chain production and more than 20 years of experience in the lifting chain field, Tuohai possesses a thorough understanding and profound technical expertise in large metal chain welding techniques. Equipped with various welding equipment such as resistance welding, flash welding, and TIG welding, our G80 chains exhibit smooth and sturdy welds. During breaking strength tests, the welds have never failed.
Stringent Calibration Process
Tuohai possesses advanced chain calibration equipment, ensuring all Alloy Steel Lifting chains undergo high-precision calibration after welding. This effectively reduces deformation and stress concentration during welding, enhancing structural strength and stability. The calibrated chains are straighter, aesthetically pleasing, and significantly improve lifespan.
Why Choose Tuohai G80 Chains
Tuohai G80 chain is manufactured using advanced automated production lines, including wire straightening, chain forming, automatic welding and deburring, chain calibration, and surface polishing. Each step is completed by automated equipment to ensure high precision and consistent link shapes. With automated production processes, Tuohai not only improves product quality but also greatly increases production efficiency, reduces costs, and provides you with more reliable products and services, enhancing your market competitiveness.
Tuohai employs advanced surface treatment processes such as hot-dip galvanizing for rust proof chain, offering excellent corrosion resistance and longer service life. If you require higher surface hardness, we can also provide quenching and tempering treatment for your G80 chain, significantly enhancing its hardness and tensile strength, ensuring safer use in high-load applications. Additionally, Tuohai can supply you with raw steel chain for secondary processing after delivery.
Application of Tuohai G80 Alloy Chains
G80 chain offers excellent toughness and impact resistance, making it widely used in cargo transport and securing applications. It ensures the safety of goods during transportation or in other scenarios, such as tie down chains and binder chains, providing reliable support in securing loads.
G80 heavy duty chains are known for their outstanding wear resistance and high working load capacity, enabling them to withstand heavy loads. Therefore, G80 chains are commonly used as trailer chains or hauling chains for towing heavy vehicles, ensuring the safety and reliability of vehicles during towing operations.
In lifting equipment and construction hoisting applications, where massive working loads need to be supported, G80 chains serve as hoisting and lifting chains, equipment chains, etc. Their excellent working load capacity ensures the safe operation of various lifting devices and equipment in demanding environments.
In applications requiring safety measures, G80 chains effectively prevent the movement of objects, ensuring workplace safety. They are commonly used in applications like construction sites or elevators as security chains, elevator compensation chains, or safety chains, providing high levels of protection and reliability.
G80 galvanized chains are widely used in marine and ship applications due to their superior corrosion resistance and high working load capacity. They perform exceptionally well in marine environments, making them an ideal choice for ship anchoring and towing operations, such as anchor chains and mooring chains.
More Info of Tuohai G80 Chains
- Size Chart
- Features
| Size | Inside Length | Inside Width | Outside Width | Weight | WLL | Test Load | Break Load |
| mm | mm | mm | mm | kg/m | t | kn | kn |
| 6 | 18 | 7.80 | 22.20 | 0.80 | 1.12 | 28.30 | 45.20 |
| 7 | 21 | 9.10 | 25.90 | 1.10 | 1.50 | 38.50 | 61.60 |
| 8 | 24 | 10.40 | 29.60 | 1.40 | 2.00 | 60.30 | 80.40 |
| 10 | 30 | 13.00 | 37.00 | 2.20 | 3.15 | 78.50 | 126.00 |
| 13 | 39 | 16.90 | 48.10 | 3.80 | 5.30 | 133.00 | 212.00 |
| 16 | 48 | 20.80 | 59.20 | 5.60 | 8.00 | 01.00 | 322.00 |
| 18 | 54 | 23.40 | 66.60 | 6.85 | 10.00 | 54.00 | 407.00 |
| 20 | 60 | 26.00 | 74.00 | 8.60 | 12.50 | 314.00 | 503.00 |
| 22 | 66 | 28.60 | 81.40 | 10.40 | 15.00 | 380.00 | 608.00 |
| 26 | 78 | 33.80 | 96.20 | 15.00 | 21.20 | 531.00 | 849.00 |
High Strength
The G80 chain from Tuohai is typically a short link chain, crafted from high-strength alloy steel, coupled with our advanced production techniques, resulting in an actual breaking strength far exceeding that of ordinary carbon steel chains. They can withstand heavy loads, ensuring safety during use, such as lifting, tail, and trailer chains.
Wear and Corrosion Resistance
Our G80 high-strength chains undergo special surface treatments such as galvanization（Including hot-dip galvanized chain and zinc-plated chain）, coating, or heat treatment, achieving exceptional wear and corrosion resistance. They maintain stable performance in various environments including damp, high temperature, or chemically corrosive conditions. Furthermore, they endure friction and impact during prolonged usage, extending their lifespan.
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