What is a rated chain?

What is a rated chain?

Chains used for overhead lifting must either be Grade 100 or Grade 80. Rated trailer chains can be had in 8 to 13 mm sizes. These chains have a standard galvanized finish. Such chains are not suited for lifting but are ideal as safety chains for trailers.

What is the best grade of chain?

Grade 100. Next to Grade 120, Grade 100 chain is the strongest type of chain offered by most industrial hardware suppliers. It is 25 percent stronger than Grade 80, making it the best choice for extremely heavy overhead lifting use and other extreme applications.

What is a load rating for a chain?

The term Working Load Limit (WLL) refers to the maximum amount of tension that can be applied to a new and undamaged chain. It is a rated capacity and often referred to in pounds. Working Load Limit is calculated by dividing the minimum breaking strength of the chain by the assigned safety factor rating.

How do I know my chain rating?

Just look for the “L” and then the number after it. Each number following the “L” corresponds with a grade of chain. On grade 70 this can also show that the chains are DOT approved! The “L” represents Laclede and our commitment to high quality chain products.

What is grade 43 chain used for?

Typically used for container securement, logging, farming, towing, marine applications, and as general purpose utility chain.

What is G70 chain?

Chain Grade Identification. G70 chain is specifically designed for cargo securement, also called Transport Chain and Grade 70. G70 assemblies have a yellow zinc finish for easier identification and for protection of the chain. Never use G70 chain for overhead lifting or towing, pulling, or dragging operations.

Will Grade 70 chain rust?

G70 chains are made from a higher strength, heat-treated carbon steel and have a load rating approximately 20 percent higher than Grade 43. The gold chromate coating offers them more resistance to rust and corrosion. These chains have become the most common grade of chain used on flatbeds.

What is grade 30 chain used for?

General purpose economical chain. Used in a variety of industries and jobs including light construction, agricultural applications, and the marine industry.

How strong is a 3/8 chain?


Trade Size In Inches Working* Load Limit Lbs. Feet Per 1/2 Drum
1/4 3,500 400
5/16 5,100 250
3/8 7,100 250
1/2 12,000 150

Can grade 80 chain be used for transport?

Grade 80, a heat-treated steel chain, differs from Grade 70 in that it’s known for its excellent strength to weight ratio; therefore, it can be safely used for overhead lifting. Additionally, it can be used as a towing, safety, and recovery chain.

What is L7 chain?

Electronically welded transport chain (embossed L7) Finish is yellow Di Chromate (Hex Free) Meets or exceeds all NACM & ASTM standards (A391 & A413) High strength to weight ratio. NOT to be used for overheald lifting.

How strong is grade 70 chain?

Made from a higher strength, heat-treated carbon steel that has a load rating approximately 20 percent higher than Grade 43. The gold chromate finish makes it easy for DOT officials to recognize. Typically used by truckers, loggers, and highway crews for load securement and towing.

What is a 70 Grade chain?

Grade 70 chain is embossed using a 7, 70, or 700. Grade 80 Alloy Chain is heat-treated making it safe and rated for overhead lifting. It’s also commonly used as a heavy duty tow chain.

What is the best chainsaw chain for hardwood?

Why We Liked It: This heavy-duty Oregon chainsaw chain is designed to fit a variety of chainsaws with a bar length of 18 inches. It’s a high-quality chain that is self-lubricating, tested, and certified to meet low-kickback standards. This is the best chainsaw chain for hardwood. 2. Husqvarna 581643603 X-Cut Chain

What grade of chain should I use for load securement?

The preferred chain for load securement is Grade 70, but any grade of chain can be used for tie downs or tensioning. You have to know your tensions in order to select the proper chain.

What is a Grade 30 chain?

Grade 30 chain is embossed using a 3, 30, or 300. Also called Grade 43 High Test Chain or Grade 43 Tow Chain, this is common in the towing and logging industries. It is not rated safe for overhead lifting.

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