Steel Rectangular Tubing

	System of Measurement System of Measurement

Inch

Metric

	Outside Width Outside Width

	Outside Height Outside Height

	Wall Thickness Wall Thickness

	Material Material

	Inside Width Inside Width

	Inside Height Inside Height

	Low-Carbon Steel Grade Low-Carbon Steel Grade

	Specifications Met Specifications Met

ASTM

Mil. Spec.

SAE

	Fabrication Fabrication

Hot Rolled

Cold Worked

	Yield Strength Yield Strength

	Certificate Certificate

	Material Certificate with Traceable Lot Number

	Hardness Rating Hardness Rating

Medium

Hard

	Hardness Hardness

Rockwell B65

Rockwell C20

Not Rated

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Elongation Elongation

	Maximum Hardness After Heat Treatment Maximum Hardness After Heat Treatment

Rockwell C49

Not Rated

	Length Length

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

RoHS Compliant with
Exemptions

	Weld-Together Framing Component Weld-Together Framing Component

Rail

Connector

	Weld-Together Framing Component Shape Weld-Together Framing Component Shape

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	Rail Width Rail Width

121 Products

About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron

Also known as mild steel, low-carbon steel is easy to machine, form, and weld. It's widely fabricated into parts that don’t require high strength, such as fixture clamps, mounting plates, and spacers. This material can be surface hardened with heat treating.

For technical drawings and 3-D models, click on a part number.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Tubes

Yield Strength: See table
Hardness: Not Rated
Heat Treatable: Yes
Max. Hardness After Heat Treatment: Not Rated
Specifications Met: See table

Outside				Inside
Ht.	Ht. Tolerance	Wd.	Wd. Tolerance	Ht.	Wd.	Yield Strength, psi	Specifications Met	Straightness Tolerance		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
0.049" Wall Thick. (-0.005" to 0.005" Tolerance)
1/2"	-0.004" to 0.004"	1/2"	-0.004" to 0.004"	0.402"	0.402"	Not Rated	ASTM A513	__	0000000	00	00000	000000
5/8"	-0.004" to 0.004"	5/8"	-0.004" to 0.004"	0.527"	0.527"	Not Rated	ASTM A513	__	0000000	00	0000	00000
3/4"	-0.005" to 0.005"	3/4"	-0.005" to 0.005"	0.652"	0.652"	Not Rated	ASTM A513	__	0000000	00	0000	00000
0.065" Wall Thick. (-0.007" to 0.007" Tolerance)
1/2"	-0.03" to 0.03"	1/2"	-0.03" to 0.03"	0.37"	0.37"	32,000	ASTM A513	1/16" per 3 ft.	00000000	00000	00000	00000
1/2"	-0.008" to 0.008"	1 1/2"	-0.008" to 0.008"	0.37"	1.37"	32,000	ASTM A513 Type 1	1/16" per 3 ft.	0000000	0000	00000	00000
1/2"	-0.005" to 0.005"	1"	-0.005" to 0.005"	0.37"	0.87"	Not Rated	ASTM A513	__	0000000	00	0000	00000
5/8"	-0.004" to 0.004"	5/8"	-0.004" to 0.004"	0.495"	0.495"	Not Rated	ASTM A513	__	0000000	00	00000	00000
3/4"	-0.03" to 0.03"	3/4"	-0.03" to 0.03"	0.62"	0.62"	32,000	ASTM A513	1/16" per 3 ft.	00000000	0000	00000	00000
1"	-0.03" to 0.03"	1"	-0.03" to 0.03"	0.87"	0.87"	32,000	ASTM A513	1/16" per 3 ft.	00000000	00000	00000	00000
1"	-0.01" to 0.01"	3"	-0.01" to 0.01"	0.87"	2.87"	Not Rated	ASTM A513	__	0000000	00000	00000	00000
1"	-0.008" to 0.008"	2"	-0.008" to 0.008"	0.87"	1.87"	Not Rated	ASTM A513	__	0000000	00000	00000	00000
1"	-0.006" to 0.006"	1 1/2"	-0.006" to 0.006"	0.87"	1.37"	Not Rated	ASTM A513	__	0000000	0000	00000	00000
1 1/4"	-0.03" to 0.03"	1 1/4"	-0.03" to 0.03"	1.12"	1.12"	32,000	ASTM A513	1/16" per 3 ft.	00000000	00000	00000	00000
1 1/2"	-0.006" to 0.006"	1 1/2"	-0.006" to 0.006"	1.37"	1.37"	32,000	ASTM A513 Type 1	1/16" per 3 ft.	0000000	00000	00000	00000
2"	-0.008" to 0.008"	2"	-0.008" to 0.008"	1.87"	1.87"	Not Rated	ASTM A513	__	0000000	00000	00000	00000
0.083" Wall Thick. (-0.008" to 0.008" Tolerance)
3/4"	-0.03" to 0.03"	3/4"	-0.03" to 0.03"	0.584"	0.584"	32,000	ASTM A513	1/16" per 3 ft.	00000000	0000	00000	00000
3/4"	-0.006" to 0.006"	1 1/2"	-0.006" to 0.006"	0.584"	1.334"	Not Rated	ASTM A513	__	000000	00000	00000	00000
1"	-0.03" to 0.03"	1"	-0.03" to 0.03"	0.834"	0.834"	32,000	ASTM A513	1/16" per 3 ft.	00000000	00000	00000	00000
1"	-0.01" to 0.01"	1 1/2"	-0.01" to 0.01"	0.834"	1.334"	Not Rated	ASTM A513	__	0000000	0000	00000	00000
1"	-0.01" to 0.01"	3"	-0.01" to 0.01"	0.834"	2.834"	Not Rated	ASTM A513	__	0000000	00000	00000	00000
1"	-0.008" to 0.008"	2"	-0.008" to 0.008"	0.834"	1.834"	Not Rated	ASTM A513	__	0000000	00000	00000	00000
1 1/4"	-0.006" to 0.006"	1 1/4"	-0.006" to 0.006"	1.084"	1.084"	Not Rated	ASTM A513	__	0000000	00000	00000	00000
1 1/2"	-0.03" to 0.03"	1 1/2"	-0.03" to 0.03"	1.334"	1.334"	32,000	ASTM A513	1/16" per 3 ft.	00000000	00000	00000	00000
2"	-0.03" to 0.03"	2"	-0.03" to 0.03"	1.834"	1.834"	32,000	ASTM A513	1/16" per 3 ft.	00000000	00000	00000	00000
2"	-0.02" to 0.02"	4"	-0.02" to 0.02"	1.834"	3.834"	Not Rated	ASTM A513	__	0000000	00000	00000	00000
2 1/2"	-0.01" to 0.01"	2 1/2"	-0.01" to 0.01"	2.334"	2.334"	Not Rated	ASTM A513	__	0000000	00000	00000	00000
0.12" Wall Thick. (-0.012" to 0.012" Tolerance)
3/4"	-0.005" to 0.005"	3/4"	-0.005" to 0.005"	0.51"	0.51"	Not Rated	ASTM A513	__	0000000	0000	00000	00000
1"	-0.03" to 0.03"	1"	-0.03" to 0.03"	0.76"	0.76"	46,000	ASTM A500	1/16" per 3 ft.	00000000	00000	00000	00000
1"	-0.008" to 0.008"	2"	-0.008" to 0.008"	0.76"	1.76"	Not Rated	ASTM A513	__	0000000	00000	00000	00000
1"	-0.006" to 0.006"	1 1/2"	-0.006" to 0.006"	0.76"	1.26"	Not Rated	ASTM A513	__	0000000	00000	00000	00000
1 1/4"	-0.006" to 0.006"	1 1/4"	-0.006" to 0.006"	1.01"	1.01"	Not Rated	ASTM A513	__	0000000	00000	00000	00000
1 1/2"	-0.03" to 0.03"	1 1/2"	-0.03" to 0.03"	1.26"	1.26"	32,000	ASTM A513	1/16" per 3 ft.	00000000	00000	00000	00000
1 1/2"	-0.01" to 0.01"	2 1/2"	-0.01" to 0.01"	1.26"	2.26"	46,000	ASTM A513 Type 1	1/16" per 3 ft.	0000000	00000	00000	00000
2"	-0.03" to 0.03"	2"	-0.03" to 0.03"	1.76"	1.76"	46,000	ASTM A500	1/16" per 3 ft.	00000000	00000	00000	00000
1/8" Wall Thick. (-0.013" to 0.013" Tolerance)
1"	-0.025" to 0.025"	3"	-0.025" to 0.025"	3/4"	2 3/4"	46,000	ASTM A500	__	0000000	00000	00000	00000
1 1/2"	-0.025" to 0.025"	3"	-0.025" to 0.025"	1 1/4"	2 3/4"	46,000	ASTM A500	__	0000000	00000	00000	00000
2 1/2"	-0.03" to 0.03"	2 1/2"	-0.03" to 0.03"	2 1/4"	2 1/4"	46,000	ASTM A500	1/16" per 3 ft.	00000000	00000	00000	00000
3"	-0.03" to 0.03"	3"	-0.03" to 0.03"	2 3/4"	2 3/4"	46,000	ASTM A500	1/16" per 3 ft.	00000000	00000	00000	00000
3 1/2"	-0.03" to 0.03"	3 1/2"	-0.03" to 0.03"	3 1/4"	3 1/4"	46,000	ASTM A500	1/16" per 3 ft.	00000000	00000	00000	000000
4"	-0.03" to 0.03"	4"	-0.03" to 0.03"	3 3/4"	3 3/4"	46,000	ASTM A500	1/16" per 3 ft.	00000000	00000	00000	000000
0.188" Wall Thick. (-0.019" to 0.019" Tolerance)
1 1/4"	-0.02" to 0.02"	1 1/4"	-0.02" to 0.02"	0.874"	0.874"	46,000	ASTM A500	__	0000000	00000	00000	000000
1 1/2"	-0.025" to 0.025"	3"	-0.025" to 0.025"	1.124"	2.624"	46,000	ASTM A500	__	0000000	00000	00000	00000
2"	-0.03" to 0.03"	2"	-0.03" to 0.03"	1.624"	1.624"	46,000	ASTM A500	1/16" per 3 ft.	00000000	00000	00000	00000
2 1/2"	-0.02" to 0.02"	2 1/2"	-0.02" to 0.02"	2.124"	2.124"	46,000	ASTM A500	__	0000000	00000	00000	00000
3"	-0.03" to 0.03"	3"	-0.03" to 0.03"	2.624"	2.624"	46,000	ASTM A500	1/16" per 3 ft.	00000000	00000	00000	000000
4"	-0.03" to 0.03"	4"	-0.03" to 0.03"	3.624"	3.624"	46,000	ASTM A500	1/16" per 3 ft.	00000000	00000	000000	000000
1/4" Wall Thick. (-0.025" to 0.025" Tolerance)
1 1/2"	-0.025" to 0.025"	3"	-0.025" to 0.025"	1"	2 1/2"	46,000	ASTM A500	__	0000000	00000	00000	000000
2"	-0.03" to 0.03"	2"	-0.03" to 0.03"	1 1/2"	1 1/2"	46,000	ASTM A500	1/16" per 3 ft.	00000000	00000	00000	000000
2 1/2"	-0.02" to 0.02"	2 1/2"	-0.02" to 0.02"	2"	2"	46,000	ASTM A500	__	0000000	00000	00000	000000
3"	-0.03" to 0.03"	3"	-0.03" to 0.03"	2 1/2"	2 1/2"	46,000	ASTM A500	1/16" per 3 ft.	00000000	00000	000000	000000
4"	-0.03" to 0.03"	4"	-0.03" to 0.03"	3 1/2"	3 1/2"	46,000	ASTM A500	1/16" per 3 ft.	00000000	00000	000000	000000
6"	-0.06" to 0.06"	6"	-0.06" to 0.06"	5 1/2"	5 1/2"	46,000	ASTM A500	1/16" per 3 ft.	00000000	000000	000000	000000

Metric Tubes

Yield Strength: 34,000 psi
Hardness: Rockwell B65 (Medium)
Heat Treatable: Yes
Max. Hardness After Heat Treatment: Not Rated

Outside, mm				Inside, mm
Ht.	Ht. Tolerance	Wd.	Wd. Tolerance	Ht.	Wd.		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
1 mm Wall Thick. (-0.15 to 0.15 mm Tolerance)
12	-0.2 to 0.2	12	-0.2 to 0.2	10	10	0000000	00000	000000	000000
2 mm Wall Thick. (-0.1 to 0.1 mm Tolerance)
25	-0.3 to 0.3	50	-0.3 to 0.3	21	46	0000000	00000	00000	000000
25	-0.25 to 0.25	25	-0.25 to 0.25	21	21	0000000	00000	00000	00000
40	-0.3 to 0.3	40	-0.3 to 0.3	36	36	0000000	00000	00000	000000
55	-0.35 to 0.35	55	-0.35 to 0.35	51	51	0000000	00000	00000	000000
3 mm Wall Thick. (-0.1 to 0.1 mm Tolerance)
100	-0.65 to 0.65	100	-0.65 to 0.65	94	94	0000000	00000	000000	000000

Easy-to-Weld 4130 Alloy Steel Rectangular Tubes

Yield Strength: 75,000 psi
Hardness: Rockwell C20 (Hard)
Heat Treatable: Yes
Max. Hardness After Heat Treatment: Rockwell C49
Specifications Met: SAE AMS-T-6736, MIL-T-6736

4130 alloy steel has a low carbon content for good weldability. It's often used for structural applications.

For technical drawings and 3-D models, click on a part number.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Outside				Inside
Ht.	Ht. Tolerance	Wd.	Wd. Tolerance	Ht.	Wd.		1/2 ft. Lg.	1 ft. Lg.	2 ft. Lg.	3 ft. Lg.	6 ft. Lg.
0.035" Wall Thick. (-0.004" to 0.004" Tolerance)
3/8"	-0.020" to 0.020"	3/8"	-0.020" to 0.020"	0.305"	0.305"	0000000	000000	000000	000000	000000	000000
1/2"	-0.020" to 0.020"	1/2"	-0.020" to 0.020"	0.43"	0.43"	0000000	00000	00000	00000	00000	00000
1/2"	-0.020" to 0.020"	1"	-0.020" to 0.020"	0.43"	0.93"	0000000	00000	00000	00000	00000	00000
5/8"	-0.020" to 0.020"	5/8"	-0.020" to 0.020"	0.555"	0.555"	0000000	00000	00000	00000	00000	00000
3/4"	-0.020" to 0.020"	3/4"	-0.020" to 0.020"	0.68"	0.68"	0000000	00000	00000	00000	00000	000000
1"	-0.020" to 0.020"	1"	-0.020" to 0.020"	0.93"	0.93"	0000000	00000	00000	00000	00000	000000
0.049" Wall Thick. (-0.005" to 0.005" Tolerance)
1/2"	-0.020" to 0.020"	1"	-0.020" to 0.020"	0.402"	0.902"	0000000	00000	00000	00000	00000	00000
5/8"	-0.020" to 0.020"	5/8"	-0.020" to 0.020"	0.527"	0.527"	0000000	00000	00000	00000	00000	00000
3/4"	-0.020" to 0.020"	3/4"	-0.020" to 0.020"	0.652"	0.652"	0000000	00000	00000	00000	00000	00000
3/4"	-0.020" to 0.020"	1 1/2"	-0.020" to 0.020"	0.652"	1.402"	0000000	00000	00000	00000	00000	000000
1"	-0.020" to 0.020"	1"	-0.020" to 0.020"	0.902"	0.902"	0000000	00000	00000	00000	00000	000000
1"	-0.020" to 0.020"	1 1/2"	-0.020" to 0.020"	0.902"	1.402"	0000000	00000	00000	00000	00000	000000
0.065" Wall Thick. (-0.007" to 0.007" Tolerance)
1/2"	-0.020" to 0.020"	1"	-0.020" to 0.020"	0.37"	0.87"	0000000	00000	00000	00000	00000	000000
5/8"	-0.020" to 0.020"	5/8"	-0.020" to 0.020"	0.495"	0.495"	0000000	00000	00000	00000	00000	000000
3/4"	-0.020" to 0.020"	3/4"	-0.020" to 0.020"	0.62"	0.62"	0000000	00000	00000	00000	00000	000000
1"	-0.020" to 0.020"	1"	-0.020" to 0.020"	0.87"	0.87"	0000000	00000	00000	00000	00000	000000
1"	-0.020" to 0.020"	1 1/2"	-0.020" to 0.020"	0.87"	1.37"	0000000	00000	00000	00000	000000	000000
1"	-0.020" to 0.020"	1 3/4"	-0.020" to 0.020"	0.87"	1.62"	0000000	00000	00000	00000	000000	000000
1"	-0.020" to 0.020"	2"	-0.020" to 0.020"	0.87"	1.87"	0000000	00000	00000	00000	000000	000000

Weld-Together Framing and Fittings

Create strong structures by welding this framing together. Add metal panels to close off openings. Slide the rail into the fitting and weld in place.

For technical drawings and 3-D models, click on a part number.

Rails

Outside		Inside
Ht.	Wd.	Ht.	Wd.	Wall Thick.	Lg. Tolerance	Material		2 ft.	4 ft.	8 ft.	10 ft.
1 1/2"	1 1/2"	1 1/4"	1 1/4"	0.12"	-0.125" to +0.125"	Carbon Steel	000000	000000	000000	000000	0000000
2"	2"	1 5/8"	1 5/8"	3/16"	-0.125" to +0.125"	Carbon Steel	000000	00000	00000	000000	000000

Elbow Connectors


90° Elbow	Three-Way 90° Elbow
90° Elbow

	For Outside Rail		Outside		Inside			Lg.
Weld-Together Framing Component Shape	Ht.	Wd.	Ht.	Wd.	Ht.	Wd.	Wall Thick.	(A)	(B)	(C)	Yield Strength, psi	Material		Each
90° Elbow	1 1/2"	1 1/2"	1 13/16"	1 13/16"	1 9/16"	1 9/16"	0.121"	6"	6"	__	80,000	Carbon Steel	0000000	0000000
90° Elbow	2"	2"	2 5/16"	2 5/16"	2 1/16"	2 1/16"	0.121"	6"	6"	__	80,000	Carbon Steel	0000000	000000
Three-Way 90° Elbow	1 1/2"	1 1/2"	1 13/16"	1 13/16"	1 9/16"	1 9/16"	0.121"	6"	6"	6"	80,000	Carbon Steel	0000000	000000
Three-Way 90° Elbow	2"	2"	2 5/16"	2 5/16"	2 1/16"	2 1/16"	0.121"	6"	6"	6"	80,000	Carbon Steel	0000000	000000

Straight Connectors

	For Outside Rail		Outside		Inside
Weld-Together Framing Component Shape	Ht.	Wd.	Ht.	Wd.	Ht.	Wd.	Wall Thick.	Lg. (A)	Yield Strength, psi	Material		Each
Straight	1 1/2"	1 1/2"	1 13/16"	1 13/16"	1 9/16"	1 9/16"	0.121"	4"	80,000	Carbon Steel	0000000	000000
Straight	2"	2"	2 5/16"	2 5/16"	2 1/16"	2 1/16"	0.121"	4"	80,000	Carbon Steel	0000000	00000

Tee Connectors

	For Outside Rail		Outside		Inside			Lg.
Weld-Together Framing Component Shape	Ht.	Wd.	Ht.	Wd.	Ht.	Wd.	Wall Thick.	(A)	(B)	Yield Strength, psi	Material		Each
Tee	1 1/2"	1 1/2"	1 13/16"	1 13/16"	1 9/16"	1 9/16"	0.121"	6"	6"	80,000	Carbon Steel	0000000	0000000
Tee	2"	2"	2 5/16"	2 5/16"	2 1/16"	2 1/16"	0.121"	6"	6 1/8"	80,000	Carbon Steel	0000000	00000

Cross Connectors

Cross

Five-Way Cross

	For Outside Rail		Outside		Inside			Lg.
Weld-Together Framing Component Shape	Ht.	Wd.	Ht.	Wd.	Ht.	Wd.	Wall Thick.	(A)	(B)	(D)	Yield Strength, psi	Material		Each
Cross	1 1/2"	1 1/2"	1 13/16"	1 13/16"	1 9/16"	1 9/16"	0.121"	8 3/16"	8 3/16"	__	80,000	Carbon Steel	0000000	0000000
Cross	2"	2"	2 5/16"	2 5/16"	2 1/16"	2 1/16"	0.121"	9 11/16"	9 11/16"	__	80,000	Carbon Steel	0000000	000000
Five-Way Cross	1 1/2"	1 1/2"	1 13/16"	1 13/16"	1 9/16"	1 9/16"	0.121"	8 3/16"	8 3/16"	3 3/16"	80,000	Carbon Steel	0000000	000000
Five-Way Cross	2"	2"	2 5/16"	2 5/16"	2 1/16"	2 1/16"	0.121"	9 11/16"	9 11/16"	3 11/16"	80,000	Carbon Steel	0000000	000000

Telescoping Weld-Together Rails

Create posts of varying lengths. To telescope rails, slide one length of rail into the next larger size rail (for example, a 1 3/4" height rail fits into a 2" height rail and a 3/4" dia. rail fits into a 1" dia. rail). Weld the rails together at the desired length to create strong structures. These rails are not compatible with weld-together framing and fittings.

Carbon steel rails are lightly oiled.

Galvanized carbon steel rails have good corrosion resistance in wet environments and can be used outdoors.

For technical drawings and 3-D models, click on a part number.

Square

Two Square Rails Shown Telescoping (Sold Separately)

Square

Rail
Ht.	Wd.	Wall Thick.	Lg. Tolerance		2 ft.	4 ft.	6 ft.	8 ft.	12 ft.
Carbon Steel
3/4"	3/4"	0.08"	0" to +0.125"	0000000	00000	000000	000000	000000	00
1"	1"	0.08"	0" to +0.125"	0000000	00000	00000	00000	00000	00
1 3/4"	1 3/4"	0.105"	0.25" to +0.5"	00000000	00	00000	00000	000000	0000000
2"	2"	0.105"	0.25" to +0.5"	00000000	00	00000	00000	000000	000000
2 1/4"	2 1/4"	0.105"	0.25" to +0.5"	00000000	00	00000	000000	000000	000000
2 1/2"	2 1/2"	0.105"	0.25" to +0.5"	00000000	00	00000	000000	000000	000000
Galvanized Carbon Steel
1 3/4"	1 3/4"	0.105"	0.25" to +0.5"	00000000	00	00000	000000	000000	000000
2"	2"	0.105"	0.25" to +0.5"	00000000	00	00000	000000	000000	000000
2 1/4"	2 1/4"	0.105"	0.25" to +0.5"	00000000	00	00000	000000	000000	000000
2 1/2"	2 1/2"	0.105"	0.25" to +0.5"	00000000	00	000000	000000	000000	00

Steel Bolt-Together Framing and Fittings

Rails are drilled with consistently spaced holes for multiple mounting options that do not require machining. Use this bolt-together framing to build guards, tables, and racks.

For technical drawings and 3-D models, click on a part number.

Rails

Rails have bolt holes on all four sides. Connect multiple rails with brackets or slide one length of rail into the next larger size and bolt together using curved-bolt or locking-pin connectors. Select connectors based on the larger size rail in the connection.

Galvanized steel rails have good corrosion resistance in wet environments.

Steel rails are lightly oiled.

Rail
Ht.	Wd.	Wall Thick.		3 ft.	4 ft.	6 ft.	8 ft.	12 ft.
Galvanized Steel
1"	1"	0.083"	00000000	000000	000000	000000	00	00
1"	1"	0.105"	00000000	00000	00000	00000	00	00
1 1/4"	1 1/4"	0.083"	00000000	00000	00000	00000	00	00
1 1/4"	1 1/4"	0.105"	00000000	00000	00000	00000	00	00
1 1/2"	1 1/2"	0.083"	00000000	00000	00000	00000	00	00
1 1/2"	1 1/2"	0.105"	00000000	00000	00000	00000	000000	0000000
1 3/4"	1 3/4"	0.105"	00000000	00000	000000	000000	000000	000000
2"	2"	0.083"	00000000	00000	00	00	00	00
2"	2"	0.105"	00000000	000000	000000	000000	000000	000000
2 1/4"	2 1/4"	0.105"	00000000	000000	000000	000000	000000	000000
2 1/2"	2 1/2"	0.105"	00000000	000000	000000	000000	000000	000000
Steel
1 1/2"	1 1/2"	0.105"	00000000	00	00000	00000	000000	000000
1 3/4"	1 3/4"	0.105"	00000000	00	00000	000000	000000	000000
2"	2"	0.105"	00000000	00	00000	000000	000000	000000
2 1/4"	2 1/4"	0.105"	00000000	00	00000	000000	000000	000000
2 1/2"	2 1/2"	0.105"	00000000	00	00000	000000	000000	000000

Telescoping Rail Sets

Telescoping rail sets include two rails that can be nested and locked together.

Rail
Outer Ht.	Outer Wd.	Inner Ht.	Inner Wd.	Wall Thick.	Material	Mounting Fasteners Included	Includes		4 ft.	6 ft.	8 ft.
1 3/4"	1 3/4"	1 1/2"	1 1/2"	0.105"	Galvanized Steel	Yes	Locking Pin, Two Nestable Rails	00000000	0000000	0000000	0000000
2"	2"	1 3/4"	1 3/4"	0.105"	Galvanized Steel	Yes	Locking Pin, Two Nestable Rails	00000000	000000	000000	000000
2 1/4"	2 1/4"	2"	2"	0.105"	Galvanized Steel	Yes	Locking Pin, Two Nestable Rails	00000000	000000	000000	000000
2 1/2"	2 1/2"	2 1/4"	2 1/4"	0.105"	Galvanized Steel	Yes	Locking Pin, Two Nestable Rails	00000000	000000	000000	000000

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About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron

Low-Carbon Steel Rectangular Tubes

Easy-to-Weld 4130 Alloy Steel Rectangular Tubes

Weld-Together Framing and Fittings

Telescoping Weld-Together Rails

Steel Bolt-Together Framing and Fittings