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166 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	0000	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

Multipurpose 304 Stainless Steel

From cookware to chemical-processing equipment, 304 stainless steel is a good all-around choice for a wide range of applications. It maintains its corrosion resistance in temperatures up to 1500° F.

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.

304 Stainless Steel Rectangular Tubes

Yield Strength: 30,000 psi
Hardness: Not Rated
Heat Treatment: Annealed (Softened)
Heat Treatable: No
Specifications Met: ASTM A554

Outside				Inside
Ht.	Ht. Tolerance	Wd.	Wd. Tolerance	Ht.	Wd.	Fabrication	Straightness Tolerance		1/2 ft. Lg.	1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
0.065" Wall Thick. (-0.007" to 0.007" Tolerance)
1/2"	-0.015" to 0.015"	1/2"	-0.015" to 0.015"	0.37"	0.37"	Welded	1/8" per 3 ft.	00000000	00000	000000	000000	000000
3/4"	-0.015" to 0.015"	3/4"	-0.015" to 0.015"	0.62"	0.62"	Welded	1/8" per 3 ft.	00000000	00000	00000	00000	00000
3/4"	-0.020" to 0.020"	1 1/2"	-0.020" to 0.020"	0.62"	1.37"	Welded	1/8" per 3 ft.	00000000	00000	00000	00000	00000
1"	-0.015" to 0.015"	1"	-0.015" to 0.015"	0.87"	0.87"	Welded	1/8" per 3 ft.	00000000	00000	00000	00000	00000
1"	-0.020" to 0.020"	1 1/2"	-0.020" to 0.020"	0.87"	1.37"	Welded	1/8" per 3 ft.	00000000	00000	00000	00000	00000
1 1/4"	-0.015" to 0.015"	1 1/4"	-0.015" to 0.015"	1.12"	1.12"	Welded	1/8" per 3 ft.	00000000	00000	00000	00000	000000
1 1/2"	-0.020" to 0.020"	1 1/2"	-0.020" to 0.020"	1.37"	1.37"	Welded	1/8" per 3 ft.	00000000	00000	00000	00000	000000
1 1/2"	-0.020" to 0.020"	2"	-0.020" to 0.020"	1.37"	1.87"	Welded	1/8" per 3 ft.	00000000	00000	00000	00000	000000
2"	-0.020" to 0.020"	2"	-0.020" to 0.020"	1.87"	1.87"	Welded	1/8" per 3 ft.	00000000	00000	00000	00000	000000
0.083" Wall Thick. (-0.008" to 0.008" Tolerance)
1 1/2"	-0.020" to 0.020"	1 1/2"	-0.020" to 0.020"	1.334"	1.334"	Welded	1/8" per 3 ft.	00000000	00000	00000	00000	000000
2"	-0.020" to 0.020"	2"	-0.020" to 0.020"	1.834"	1.834"	Welded	1/8" per 3 ft.	00000000	00000	00000	000000	000000
0.12" Wall Thick. (-0.018" to 0.018" Tolerance)
2"	-0.030" to 0.030"	6"	-0.030" to 0.030"	1.76"	5.76"	Welded	1/8" per 3 ft.	00000000	00000	00000	000000	000000
0.12" Wall Thick. (-0.012" to 0.012" Tolerance)
1"	-0.015" to 0.015"	1"	-0.015" to 0.015"	0.76"	0.76"	Welded	1/8" per 3 ft.	00000000	00000	00000	00000	000000
1"	-0.020" to 0.020"	1 1/2"	-0.020" to 0.020"	0.76"	1.26"	Welded	1/8" per 3 ft.	00000000	00000	00000	00000	000000
1"	-0.020" to 0.020"	2"	-0.020" to 0.020"	0.76"	1.76"	Welded	1/8" per 3 ft.	00000000	00000	00000	00000	000000
1"	-0.030" to 0.030"	3"	-0.030" to 0.030"	0.76"	2.76"	Welded	1/8" per 3 ft.	00000000	00000	00000	000000	000000
1 1/4"	-0.015" to 0.015"	1 1/4"	-0.015" to 0.015"	1.01"	1.01"	Welded	1/8" per 3 ft.	00000000	00000	00000	00000	000000
1 1/2"	-0.020" to 0.020"	1 1/2"	-0.020" to 0.020"	1.26"	1.26"	Welded	1/8" per 3 ft.	00000000	00000	00000	00000	000000
1 1/2"	-0.030" to 0.030"	3"	-0.030" to 0.030"	1.26"	2.76"	Welded	1/8" per 3 ft.	00000000	00000	00000	000000	000000
2"	-0.020" to 0.020"	2"	-0.020" to 0.020"	1.76"	1.76"	Welded	1/8" per 3 ft.	00000000	00000	00000	000000	000000
2"	-0.030" to 0.030"	3"	-0.030" to 0.030"	1.76"	2.76"	Welded	1/8" per 3 ft.	00000000	00000	00000	000000	000000
2"	-0.030" to 0.030"	4"	-0.030" to 0.030"	1.76"	3.76"	Welded	1/8" per 3 ft.	00000000	00000	00000	000000	000000
2 1/2"	-0.020" to 0.020"	2 1/2"	-0.020" to 0.020"	2.26"	2.26"	Welded	1/8" per 3 ft.	00000000	00000	00000	000000	000000
3"	-0.030" to 0.030"	3"	-0.030" to 0.030"	2.76"	2.76"	Welded	1/8" per 3 ft.	00000000	00000	00000	000000	000000
4"	-0.030" to 0.030"	4"	-0.030" to 0.030"	3.76"	3.76"	Welded	1/8" per 3 ft.	00000000	00000	000000	000000	000000
0.18" Wall Thick. (-0.018" to 0.018" Tolerance)
1 1/2"	-0.030" to 0.030"	3"	-0.030" to 0.030"	1.14"	2.64"	Welded	1/8" per 3 ft.	00000000	00000	00000	000000	000000
2"	-0.030" to 0.030"	3"	-0.030" to 0.030"	1.64"	2.64"	Welded	1/8" per 3 ft.	00000000	00000	00000	000000	000000
2"	-0.030" to 0.030"	4"	-0.030" to 0.030"	1.64"	3.64"	Welded	1/8" per 3 ft.	00000000	00000	000000	000000	000000
2"	-0.060" to 0.060"	6"	-0.060" to 0.060"	1.64"	5.64"	Welded	1/8" per 3 ft.	00000000	00000	000000	000000	000000
3"	-0.030" to 0.030"	4"	-0.030" to 0.030"	2.64"	3.64"	Welded	1/8" per 3 ft.	00000000	00000	000000	000000	000000
3"	-0.060" to 0.060"	6"	-0.060" to 0.060"	2.64"	5.64"	Welded	1/8" per 3 ft.	00000000	00000	000000	000000	000000
4"	-0.060" to 0.060"	6"	-0.060" to 0.060"	3.64"	5.64"	Welded	1/8" per 3 ft.	00000000	00000	000000	000000	000000
0.187" Wall Thick. (-0.019" to 0.019" Tolerance)
1 1/2"	-0.020" to 0.020"	1 1/2"	-0.020" to 0.020"	1.126"	1.126"	Welded	1/8" per 3 ft.	00000000	00000	00000	000000	000000
2"	-0.020" to 0.020"	2"	-0.020" to 0.020"	1.626"	1.626"	Welded	1/8" per 3 ft.	00000000	00000	00000	000000	000000
2 1/2"	-0.020" to 0.020"	2 1/2"	-0.020" to 0.020"	2.126"	2.126"	Welded	1/8" per 3 ft.	00000000	00000	000000	000000	000000
4"	-0.030" to 0.030"	4"	-0.030" to 0.030"	3.626"	3.626"	Welded	1/8" per 3 ft.	00000000	00000	000000	000000	000000
1/4" Wall Thick. (-0.025" to 0.025" Tolerance)
2"	-0.030" to 0.030"	3"	-0.030" to 0.030"	1 1/2"	2 1/2"	Welded	1/8" per 3 ft.	00000000	00000	000000	000000	000000
2"	-0.030" to 0.030"	4"	-0.030" to 0.030"	1 1/2"	3 1/2"	Welded	1/8" per 3 ft.	00000000	00000	000000	000000	000000
3"	-0.030" to 0.030"	3"	-0.030" to 0.030"	2 1/2"	2 1/2"	Welded	1/8" per 3 ft.	00000000	000000	000000	000000	000000
3"	-0.030" to 0.030"	4"	-0.030" to 0.030"	2 1/2"	3 1/2"	Welded	1/8" per 3 ft.	00000000	00000	000000	000000	000000
4"	-0.030" to 0.030"	4"	-0.030" to 0.030"	3 1/2"	3 1/2"	Welded	1/8" per 3 ft.	00000000	000000	000000	000000	00000000
4"	-0.060" to 0.060"	8"	-0.060" to 0.060"	3 1/2"	7 1/2"	Welded	1/8" per 3 ft.	00000000	000000	000000	000000	00000000

Polished Multipurpose 304 Stainless Steel

Polished to either a brushed or mirror-like finish, this material is widely used to fabricate decorative enclosures and industrial workstations. The sheets, strips, bars, and adhesive-back foil are covered with a protective peel-off film. 304 stainless steel is a good all-around choice for a wide range of applications. It maintains its corrosion resistance in temperatures up to 1500° F.

Brushed #4 is often called a satin finish; it’s similar to a #3 finish, except the grain lines are finer. Rectangular and round tubes are polished on the outside.

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.

Rectangular Tubes

Brushed #4

Yield Strength: 30,000 psi
Hardness: Not Rated
Heat Treatment: Annealed (Softened)
Heat Treatable: No
Specifications Met: ASTM A554

Outside				Inside
Ht.	Ht. Tolerance	Wd.	Wd. Tolerance	Ht.	Wd.	Fabrication	Straightness Tolerance		1/2 ft. Lg.	1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
Brushed #4
0.065" Wall Thick. (-0.007" to 0.007" Tolerance)
1"	-0.015" to 0.015"	1"	-0.015" to 0.015"	0.87"	0.87"	Welded	1/8" per 3 ft.	00000000	000000	000000	000000	0000000
1 1/2"	-0.020" to 0.020"	1 1/2"	-0.020" to 0.020"	1.37"	1.37"	Welded	1/8" per 3 ft.	00000000	00000	00000	00000	000000
0.12" Wall Thick. (-0.012" to 0.012" Tolerance)
1 1/2"	-0.020" to 0.020"	1 1/2"	-0.020" to 0.020"	1.26"	1.26"	Welded	1/8" per 3 ft.	00000000	00000	00000	00000	000000
2"	-0.020" to 0.020"	2"	-0.020" to 0.020"	1.76"	1.76"	Welded	1/8" per 3 ft.	00000000	00000	00000	000000	000000

Corrosion-Resistant 316 Stainless Steel

The addition of molybdenum gives 316 stainless steel excellent corrosion resistance. Use it in a variety of marine and chemical-processing applications. It maintains its corrosion resistance up to the maximum temperature.

316/316L stainless steel contains less carbon than standard 316 for better weldability.

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.

Rectangular Tubes

Yield Strength: Not Rated
Hardness: Rockwell B90 (Medium)
Heat Treatment: Annealed (Softened)
Heat Treatable: No
Specifications Met: ASTM A554

Outside				Inside
Ht.	Ht. Tolerance	Wd.	Wd. Tolerance	Ht.	Wd.	Fabrication	Max. Temp., °F	Straightness Tolerance		1/2 ft. Lg.	1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
316/316L Stainless Steel
0.062" Wall Thick. (-0.006" to 0.006" Tolerance)
3/4"	-0.015" to 0.015"	3/4"	-0.015" to 0.015"	0.626"	0.626"	Welded	1500°	0.075" per 3 ft.	0000000	000000	000000	000000	000000
1 1/2"	-0.020" to 0.020"	1 1/2"	-0.020" to 0.020"	1.376"	1.376"	Welded	1500°	0.075" per 3 ft.	0000000	00000	00000	00000	000000
0.065" Wall Thick. (-0.007" to 0.007" Tolerance)
1"	-0.015" to 0.015"	1"	-0.015" to 0.015"	0.87"	0.87"	Welded	1500°	0.075" per 3 ft.	0000000	00000	00000	00000	000000
0.12" Wall Thick. (-0.012" to 0.012" Tolerance)
1"	-0.020" to 0.020"	1 1/2"	-0.020" to 0.020"	0.76"	1.26"	Welded	1500°	0.075" per 3 ft.	0000000	00000	00000	00000	000000
1"	-0.020" to 0.020"	2"	-0.020" to 0.020"	0.76"	1.76"	Welded	1500°	0.075" per 3 ft.	0000000	00000	00000	00000	000000
1"	-0.015" to 0.015"	1"	-0.015" to 0.015"	0.76"	0.76"	Welded	1500°	0.075" per 3 ft.	0000000	00000	00000	00000	000000
1 1/2"	-0.020" to 0.020"	1 1/2"	-0.020" to 0.020"	1.26"	1.26"	Welded	1500°	0.075" per 3 ft.	0000000	00000	00000	000000	000000
2"	-0.020" to 0.020"	2"	-0.020" to 0.020"	1.76"	1.76"	Welded	1500°	0.075" per 3 ft.	0000000	00000	00000	000000	000000
3"	-0.030" to 0.030"	3"	-0.030" to 0.030"	2.76"	2.76"	Welded	1500°	0.075" per 3 ft.	0000000	00000	00000	000000	000000
0.18" Wall Thick. (-0.018" to 0.018" Tolerance)
2"	-0.030" to 0.030"	4"	-0.030" to 0.030"	1.64"	3.64"	Welded	1500°	0.075" per 3 ft.	0000000	00000	00000	000000	000000
3"	-0.030" to 0.030"	3"	-0.030" to 0.030"	2.64"	2.64"	Welded	1500°	0.075" per 3 ft.	0000000	00000	00000	000000	000000
1/4" Wall Thick. (-0.025" to 0.025" Tolerance)
2"	-0.030" to 0.030"	4"	-0.030" to 0.030"	1 1/2"	3 1/2"	Welded	1500°	0.075" per 3 ft.	0000000	00000	000000	000000	000000
2"	-0.020" to 0.020"	2"	-0.020" to 0.020"	1 1/2"	1 1/2"	Welded	1500°	0.075" per 3 ft.	0000000	00000	00000	000000	000000
3"	-0.030" to 0.030"	3"	-0.030" to 0.030"	2 1/2"	2 1/2"	Welded	1500°	0.075" per 3 ft.	0000000	00000	000000	000000	000000
4"	-0.030" to 0.030"	4"	-0.030" to 0.030"	3 1/2"	3 1/2"	Welded	1500°	0.075" per 3 ft.	0000000	00000	000000	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

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)	(C)	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	00000	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	00000	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.

Zinc-plated steel rails resist corrosion better in wet environments than plain steel rails.

Galvanized steel rails resist corrosion better in wet environments than zinc-plated steel rails.

Rail
Ht.	Wd.	Wall Thick.	Mounting Hole Ctr.-to-Ctr.	For Screw Size		3 ft.	4 ft.	6 ft.	8 ft.	12 ft.
Zinc-Plated Steel
1"	1"	0.083"	1"	5/16"	00000000	000000	000000	000000	00	00
1"	1"	0.105"	1"	5/16"	00000000	00000	00000	00000	00	00
1 1/4"	1 1/4"	0.083"	1"	5/16"	00000000	00000	00000	00000	00	00
1 1/4"	1 1/4"	0.105"	1"	5/16"	00000000	00000	00000	00000	00	00
1 1/2"	1 1/2"	0.083"	1"	7/16"	00000000	00000	00000	00000	00	00
1 1/2"	1 1/2"	0.105"	1"	7/16"	00000000	00000	00000	00000	00	00
Galvanized Steel
1 1/2"	1 1/2"	0.105"	1"	7/16"	00000000	00	00000	00	0000000	0000000
1 3/4"	1 3/4"	0.105"	1"	7/16"	00000000	00000	00000	000000	000000	000000
2"	2"	0.105"	1"	7/16"	00000000	00000	000000	000000	000000	000000
2 1/4"	2 1/4"	0.105"	1"	7/16"	00000000	00000	000000	000000	000000	000000
2 1/2"	2 1/2"	0.105"	1"	7/16"	00000000	00000	000000	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

Multipurpose 304 Stainless Steel

Polished Multipurpose 304 Stainless Steel

Corrosion-Resistant 316 Stainless Steel

Weld-Together Framing and Fittings

Telescoping Weld-Together Rails

Steel Bolt-Together Framing and Fittings