DIAGRAMS

Grade 70 Transport Chain Specifications
NOMINAL SIZE | MATERIAL DIAMETER | WORKING LOAD LIMIT | PROOF TEST(MIN) | BREAKING FORCE MIN | INSIDE LENGTH | INSIDE WIDTH | |||||||
MM | IN | MM | IN | KG | LBS | KN | LBS | KN | LBS | MM | IN | MM | IN |
7 | 1/4 | 7 | 0.281 | 1430 | 3150 | 28 | 6300 | 56 | 12600 | 31.5 | 1.24 | 9.8 | 0.38 |
8.7 | 5/16 | 8.7 | 0.343 | 2130 | 4700 | 41.8 | 9400 | 83.6 | 18800 | 32.8 | 1.29 | 11.2 | 0.44 |
10 | 3/8 | 10.3 | 0.406 | 2990 | 6600 | 58.7 | 13200 | 117.4 | 26400 | 35 | 1.38 | 14 | 0.55 |
11.9 | 7/16 | 11.9 | 0.468 | 3970 | 8750 | 77.8 | 17500 | 155.4 | 35000 | 41.6 | 1.64 | 16.6 | 0.65 |
13 | 1/2 | 13.5 | 0.531 | 5130 | 11300 | 100.4 | 22600 | 200.8 | 45200 | 45.5 | 1.79 | 18.2 | 0.72 |
16 | 5/8 | 16 | 0.63 | 7170 | 15800 | 140.4 | 31600 | 280.8 | 63200 | 56 | 2.2 | 20 | 0.79 |
20 | 3/4 | 20 | 0.787 | 11200 | 24700 | 219.6 | 49400 | 439.2 | 98800 | 70 | 2.76 | 25 | 0.98 |
DESIGN
TRANSPORT CHAIN GRADES
- G80
FINISH
- Yellow Zinc
STANDARDS
- Meets NACM & ASTM Standards.
HEAT TREATMENT
- Strength tested and heat treated for maximum safety and durability.
Design Factor
- 4:1
APPLICATION
- Designed for Use in Load Binding, Towing, Logging and Other Applications Requiring High Strength.
MATERIAL
- Made With High-Strength, Alloy Steel.
Our Advantages
Flexible Payment
Choose from a range of payment options to suit you such as a 30-day credit account.
Fast Delivery
Enjoy fast delivery with quick processing and timely arrivals for all your orders.
Best Rated
We Are the Highest Rated Lifting Chains Manufacturer in China With 20 Years of Experience & Knowledge
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Our Reviews

We’ve been using Powerful Machinery’s Grade 70 Transport Chain for several of our transportation and construction projects, and it’s been a great addition to our equipment. It’s incredibly strong, handles large loads with ease, and is reliable in tough conditions. The lightweight design makes it easy to handle, and the customer service has always been excellent. Highly recommend it for anyone needing durable, DOT-compliant chains.

We rely on Powerful Machinery’s G70 Transport Chain for all our cargo-securement needs. This Grade 70 Transport Chain has been outstanding – it's strong enough for towing and tie-downs while remaining lightweight and easy to use. It’s perfect for our heavy-duty applications. Always delivered on time, and the team is great to work with. We’ve been consistently impressed with the quality and performance.

I’ve been using the Powerful Machinery Transport Grade 70 Chain for years, and it never lets me down. Whether for construction or securing cargo, this chain provides the strength and reliability we need. It’s 25% stronger than other chains we’ve used, and the customer support is always responsive. Definitely a product I trust for all heavy-duty jobs.