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Grade 80 Binder Chain (USA)Grade 80 Alloy Steel4:1 Design FactorComes fully assembled with hooks on both endsSupplied hooks do not have a cradleDesigned for lashing down NOT overhead lifting
Grade 80 Binder Chain (USA) is manufactured from heat-treated alloy steel. According to NACM Welded Steel Chain Specifications, Grade 80 Alloy Chain is classified as an alloy chain intended for demanding service applications requiring higher working load limits than carbon steel transport chains.
The chain is commonly used in cargo restraint systems, heavy equipment transportation, flatbed trailer securement, and industrial transport operations where controlled chain tension is required.
The mechanical properties of Grade 80 Alloy Chain are defined in NACM Table IV. The specification establishes minimum working load limits, proof test loads, and minimum breaking forces for each chain size.
For example:
1/4" chain has a Working Load Limit of 4,500 lbs.
3/8" chain has a Working Load Limit of 10,600 lbs.
1/2" chain has a Working Load Limit of 15,000 lbs.
Mechanical performance increases with chain diameter according to the requirements specified in Table IV.
NACM identifies Grade 80 as an alloy chain manufactured in a heat-treated condition. Heat treatment is applied after chain production to achieve the mechanical properties required by the specification.
The specification requires proof testing and breaking force verification to confirm compliance with the published performance requirements.
Grade 80 Binder Chain (USA) is supplied as a complete assembly with transport hooks installed at both ends. The assembly is designed for direct connection to ratchet binders, lever binders, trailer anchor points, and cargo securement systems.
The assembly configuration provides:
Chain restraint connection
Transport load securement
Binder compatibility
Trailer anchor engagement
Grade 80 Binder Chain (USA) is intended for cargo restraint and transport securement applications.
NACM specifies that only chains specifically designated for overhead lifting should be used in overhead lifting service. Transport restraint assemblies should not be used for suspended load lifting operations.
| Size D | Material Dia. | Working Load | Proof Test Load | Breaking Load | Inside Length A Max | Outside Width B Max |
|---|---|---|---|---|---|---|
| 7/32" | 5.5 mm | 3,500 lbs | 7,000 lbs | 14,000 lbs | 19.6 mm | 10.0 mm |
| 1/4" | 6.4 mm | 4,500 lbs | 9,000 lbs | 18,000 lbs | 21.3 mm | 10.9 mm |
| 5/16" | 8.0 mm | 7,100 lbs | 14,200 lbs | 28,400 lbs | 25.9 mm | 13.5 mm |
| 3/8" | 10.0 mm | 10,600 lbs | 21,200 lbs | 42,400 lbs | 32.0 mm | 16.0 mm |
| 1/2" | 13.0 mm | 15,000 lbs | 30,000 lbs | 60,000 lbs | 38.4 mm | 20.6 mm |
| 5/8" | 16.0 mm | 22,600 lbs | 45,200 lbs | 90,400 lbs | 48.0 mm | 26.0 mm |
| 3/4" | 20.0 mm | 35,300 lbs | 70,600 lbs | 141,200 lbs | 57.7 mm | 30.5 mm |
| 7/8" | 22.0 mm | 45,200 lbs | 90,400 lbs | 180,800 lbs | 70.4 mm | 35.0 mm |
Name: Grade 80 Binder Chain (USA)
MOQ: 100 Meters
Package: Carton + Steel Pallet
Manufactured according to NACM Grade 80 Alloy Chain specifications using quenched and tempered alloy steel.
Each assembly passes proof load testing, breaking force testing, weld inspection, and dimensional verification.
Suitable for cargo restraint, heavy haulage, machinery transport, and flatbed securement systems. Not for overhead lifting.
Inspect regularly for elongation, hook deformation, corrosion, cracking, and abnormal wear before transport use.
