Grade 70 Transport

Also referred to as Transport Chain, Grade 7, System 7 or Gold Chain, Binder Chain or Boomer Chain

Grade 70 High Test IS NOT RATED for OVERHEAD LIFTING by OSHA.

Welded Link Chain

Grade 70 Transport Markings

Grade 70 Transport can be marked 7, 70, or simply have anything with a 7 embossed on the link. There may be a letter before the number (like D7 or D70) which is usually a manufacturer’s ID code.

Grade 70 Transport Chain Common Uses

Welded Link Chain

Grade 70 Transport Chain is colored Gold. Technically, the finish is referred to as Yellow Dichromate or Yellow Zinc.

The Gold finish is helpful to law enforcement. When examining trucks/trailers for safety, the gold color helps them see that the user is using Grade 70.

Grade 70 is the only chain approved for use by the DOT on interstate highways.

Grade 70 Transport Common Uses

Grade 70 Chain is used for 3 main purposes:

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Cargo Control/Tie Down

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Trailer Safety

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Pulling/Towing

Used with GOLD-TIP Load Binders for Cargo Control use on DOT controlled (Federal Interstate or State) roadways

In Trailer Safety Chain for heavier travel trailers, utility trailers, horse trailers, etc. that are chained to the vehicle for safety

Pulling objects which are stuck

Bulk Chain vs. Binder Chain

Grade 70 Transport Chain is typically provided in 2 ways:

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In Bulk

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In the form of a “Binder Chain” or “Boomer Chain”.

A “Binder Chain” is a chain that has been cut to a standard length (usually 10’, 12’ 16’, 20’ or 25’) and generally has Grade 70 Grab Hooks on each end. The lowest chain grade hooks allowed for use with Grade 70 chain are Grade 70 Hooks. Grade 43 High Test Hooks are not compliant.