NACM welded steel chain specifications Chain

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Chain Grade

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Inch

Straight-Link Chain Trade Size

Thickness

Material

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Length

Finish

Zinc Yellow-Chromate Plated

Weight Capacity

Less than 10,000 lb.

10,000 lb. to 19,999 lb.

Inside Width

Inside Length

For Fitting Thickness

For Use Outdoors

Color

Duty Rating

Application

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Weight per Foot

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Approximate Number of Links per Foot

Specifications Met

ANSI MH30.2

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ASTM Standard

D.O.T. Compliant 49 CFR 393.102

DIN 8187

EN 1677

ISO Standard

NACM Welded Steel Chain Specifications

OSHA Standard

SAE J684

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

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EAR99

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46 Products

About Chain

Find a chain style and capacity that's up to any task, from hanging a 5 lb. light fixture to rigging a 17 ton generator.

Heavy Duty Chain

Bind, tie down, and tow loads with this chain. This chain is graded based on weight capacity, so you'll always know exactly how much it can handle. Look for the manufacturer's stamp on each link to confirm the grade.

When using fittings with chain, match the trade size and meet or exceed the chain’s grade to avoid chain damage or failure.

Warning: Not for overhead lifting.

Grade 30 Chain—An economical choice for everyday industrial jobs that require only moderate strength. It's commonly used to create guardrails and to secure loads on farms and construction sites.

Tangle-Resistant Grade 30 Chain—The strongest tangle-resistant chain we offer. Shorter links make this chain easier to coil and less likely to knot when you're trying to store or transport it.

Grade 43 Chain—50% stronger than Grade 30 chain, this chain is great for towing as well as quickly securing and releasing large loads when logging.

Grade 70 Chain—Secure vehicles, machinery, and other loads on trailers and trucks for safe transportation. It's approximately 20% stronger than Grade 43 chain and 60% stronger than Grade 30 chain. Also known as transport chain, it meets D.O.T. standards for load securement.

Steel—Best for dry environments since moisture will cause this chain to rust.

Zinc-Plated Steel—A common and economical choice, the zinc plating resists occasional moisture.

Zinc-Yellow-Chromate-Plated Steel—Won't scratch or wear away as fast as clear zinc plating and resists occasional moisture. The distinctive golden color confirms this chain is compliant with Department of Transportation (DOT) regulations.

Galvanized Steel—A thick coating protects this chain in wet and outdoor environments about as well as 304 stainless steel, but it corrodes when exposed to salt water and chemicals.

				Inside
	Straight-Link Chain Trade Size	Metric Chain Trade Size	Thk.	Wd.	Lg.	Wt. Cap., lb.	For Fitting Thk.	Max. Temp., ° F	Choose a Length, ft.		Per Ft.
Grade 30 Chain







				Steel

				1/8"	4	0.16"	0.27"	0.90"	400	1/4"	400	5, 10, 25, 50, 100, 200, 300	3592T12	00000


				3/16"	5.5	0.21"	0.39"	0.95"	800	3/8"	400	5, 10, 25, 50, 100, 200, 300	3592T14	0000
				1/4"	7	0.26"	0.46"	1.24"	1,300	7/16"	400	5, 10, 25, 50, 100, 200, 300	3592T15	0000
				5/16"	8	0.31"	0.49"	1.30"	1,900	7/16"	400	5, 10, 25, 50, 100, 200, 300	3592T16	0000
				3/8"	10	0.37"	0.60"	1.45"	2,600	9/16"	400	5, 10, 25, 50, 100, 200, 300	3592T17	0000
				1/2"	13	0.49"	0.81"	1.56"	4,500	3/4"	400	5, 10, 25, 50, 100, 200	3592T19	0000
				5/8"	16	0.63"	1.00"	1.87"	6,900	15/16"	400	5, 10, 25, 50, 100	3592T22	00000
				3/4"	20	0.78"	1.02"	2.61"	10,600	1"	400	5, 10, 25, 50, 100	3592T23	00000




						Zinc-Plated Steel

						1/8"	4	0.16"	0.27"	0.90"	400	1/4"	400	5, 10, 25, 50, 100, 200, 300	3592T13	0000


						3/16"	5.5	0.21"	0.39"	0.95"	800	3/8"	400	5, 10, 25, 50, 100, 200, 300	3592T31	0000
						1/4"	7	0.26"	0.46"	1.24"	1,300	7/16"	400	5, 10, 25, 50, 100, 200, 300	3592T32	0000
						5/16"	8	0.31"	0.49"	1.30"	1,900	7/16"	400	5, 10, 25, 50, 100, 200, 300	3592T33	0000
						3/8"	10	0.37"	0.60"	1.45"	2,600	9/16"	400	5, 10, 25, 50, 100, 200, 300	3592T34	0000
						1/2"	13	0.49"	0.81"	1.56"	4,500	3/4"	400	5, 10, 25, 50, 100, 200	3592T36	00000




								Galvanized Steel

								1/8"	4	0.16"	0.27"	0.90"	400	1/4"	400	5, 10, 25, 50, 100, 200, 300	3592T18	0000


								3/16"	5.5	0.21"	0.39"	0.95"	800	3/8"	400	5, 10, 25, 50, 100, 200, 300	3592T44	0000
								1/4"	7	0.26"	0.46"	1.24"	1,300	7/16"	400	5, 10, 25, 50, 100, 200, 300	3592T45	0000
								5/16"	8	0.31"	0.49"	1.30"	1,900	7/16"	400	5, 10, 25, 50, 100, 200, 300	3592T46	0000
								3/8"	10	0.37"	0.60"	1.45"	2,600	9/16"	400	5, 10, 25, 50, 100, 200, 300	3592T47	0000
								1/2"	13	0.49"	0.81"	1.56"	4,500	3/4"	400	5, 10, 25, 50, 100, 200	3592T49	00000
								5/8"	16	0.63"	1.00"	1.87"	6,900	15/16"	400	5, 10, 25, 50, 100	3592T81	00000


								Tangle-Resistant Grade 30 Chain







												Steel

												1/4"	7	0.28"	0.50"	1.02"	1,300	7/16"	400	5, 10, 25, 50, 100, 200	3575T22	0000


												Grade 43 Chain







												Steel

												1/4"	7	0.27"	0.50"	1.02"	2,600	7/16"	400	1, 2, 3, 4, 5, 10, 25, 50	3588T14	0000


												5/16"	8	0.32"	0.49"	1.15"	3,900	7/16"	400	1, 2, 3, 4, 5, 10, 25, 50	3588T15	0000
												3/8"	10	0.39"	0.60"	1.30"	5,400	9/16"	400	1, 2, 3, 4, 5, 10, 25, 50	3588T16	0000
												1/2"	13	0.52"	0.81"	1.56"	9,200	3/4"	400	1, 2, 3, 4, 5, 10, 25, 50	3588T18	0000




														Zinc-Plated Steel

				1/4"										7	0.27"	0.50"	1.02"	2,600	7/16"	400	1, 2, 3, 4, 5, 10, 25, 50	3588T34	0000


				5/16"	8									0.32"	0.49"	1.15"	3,900	7/16"	400	1, 2, 3, 4, 5, 10, 25, 50	3588T35	0000
				3/8"	10									0.39"	0.60"	1.30"	5,400	9/16"	400	1, 2, 3, 4, 5, 10, 25, 50	3588T36	0000
				1/2"	13									0.52"	0.81"	1.56"	9,200	3/4"	400	1, 2, 3, 4, 5, 10, 25, 50	3588T37	0000




														Galvanized Steel

														1/4"	7	0.27"	0.50"	1.02"	2,600	7/16"	400	1, 2, 3, 4, 5, 10, 25, 50	3588T22	0000


						5/16"	8							0.32"	0.49"	1.15"	3,900	7/16"	400	1, 2, 3, 4, 5, 10, 25, 50	3588T23	0000
						3/8"	10							0.39"	0.60"	1.30"	5,400	9/16"	400	1, 2, 3, 4, 5, 10, 25, 50	3588T24	0000
						1/2"	13							0.52"	0.81"	1.56"	9,200	3/4"	400	1, 2, 3, 4, 5, 10, 25, 50, 100	3588T26	00000
						5/8"	16							0.63"	1.00"	1.87"	13,000	15/16"	400	1, 2, 3, 4, 5, 10, 25, 50	3588T27	00000


						Grade 70 Chain







																Zinc-Yellow-Chromate-Plated Steel

								1/4"								7	0.27"	0.46"	1.24"	3,100	7/16"	400	1, 2, 3, 4, 5, 10, 25, 50	3363T91	0000


								5/16"	8							0.32"	0.49"	1.15"	4,700	7/16"	400	1, 2, 3, 4, 5, 10, 25, 50	3363T92	0000
								3/8"	10							0.38"	0.60"	1.30"	6,600	9/16"	400	1, 2, 3, 4, 5, 10, 25, 50	3363T93	0000
								1/2"	13	0.50"						0.81"	1.56"	11,300	3/4"	400	1, 2, 3, 4, 5, 10, 25, 50	3363T95	00000

Extra Heavy Duty Chain for Lifting

Lift, hoist, and rig heavy equipment, vehicles, containers, and more with the strongest chain we offer. This chain is graded by weight capacity, so you can pick the best option whether you're hauling a bulldozer or unloading cargo from a ship. Look for the manufacturer's stamp on each link to confirm the grade.

When using fittings with chain, match the trade size and meet or exceed the chain’s grade to avoid chain damage or failure.

Warning: Never use chain to lift people or items over people.

Grade 80 Chain—Your go-to option for most lifting jobs. Rig and lift industrial vehicles, heavy machinery, and shipping containers with this chain.

Black Painted Steel—Best for dry environments as paint may chip and corrode over time.

				Inside
	Straight-Link Chain Trade Size	Metric Chain Trade Size	Thk.	Wd.	Lg.	Wt. Cap., lb.	For Fitting Thk.	Max. Temp., ° F	Choose a Length, ft.		Per Ft.
Grade 80 Chain







				Black Painted Steel

				9/32"	7	0.28"	0.41"	0.88"	3,500	3/8"	400	1, 2, 3, 4, 5, 10, 25, 50	3587T14	00000


				5/16"	8	0.33"	0.48"	1.02"	4,500	7/16"	400	1, 2, 3, 4, 5, 10, 25, 50	3587T57	0000
				3/8"	10	0.40"	0.57"	1.22"	7,100	9/16"	400	1, 2, 3, 4, 5, 10, 25, 50	3587T15	0000
				5/8"	16	0.63"	0.92"	1.93"	18,100	7/8"	400	1, 2, 3, 4, 5, 10, 25, 50	3587T17	00000

Wear Gauges

Measure the maximum amount of wear allowed by OSHA on links of Grade 80 or 100 steel chain. If you can insert the gauge over any part of the link, you should take the chain out of service.

	For Mfr. Model		Each
For Grade 80 and Grade 100 Chain



	9/32", 3/8", 1/2", 5/8", 3/4", 7/8", 1"	H29, KWB, P8, P10	3831T412	000000


	9/32", 3/8", 1/2", 5/8", 3/4", 7/8", 1"	L8, L10	3831T411	00000

Tire Chains

Durable steel chains keep you from spinning your wheels in snow and mud.

Also Available: Chains for other tire sizes. Please ask for 4991T999 and specify vehicle type and tire size.

For SUV Tires and For Truck Tires—Chains for SUVs and trucks comply with NACM (National Association of Chain Manufacturer) Welded Steel Chain Specifications.

		Pair
For SUV Tires, For Truck Tires



	10.50/8.00-15LT, 225/70R19.5, 245/75R17LT, 265/75R16LT, P265/65R18, P265/70R16	4991T973	0000000