Filter by
System of Measurement
ID
Material
Specifications Met
Fabrication
Mechanical Tube Type
Steel Grade
Yield Strength
Tolerance Rating
Outside Corner Shape
U.S.–Mexico–Canada Agreement (USMCA) Qualifying
DFARS Specialty Metals
Export Control Classification Number (ECCN)
About Steel
%20--%3e%3csvg%20version='1.1'%20id='Layer_1'%20xmlns='http://www.w3.org/2000/svg'%20xmlns:xlink='http://www.w3.org/1999/xlink'%20x='0px'%20y='0px'%20viewBox='0%200%20400%20400'%20style='enable-background:new%200%200%20400%20400;'%20xml:space='preserve'%3e%3cstyle%20type='text/css'%3e%20.st0{fill:%231A70A0;}%20.st1{opacity:0.5;}%20%3c/style%3e%3cg%3e%3cg%3e%3cpath%20class='st0'%20d='M200,56.9c38.35,0,74.4,14.93,101.51,42.05c27.11,27.11,42.05,63.17,42.05,101.51s-14.93,74.4-42.05,101.51%20S238.35,344.02,200,344.02s-74.4-14.93-101.51-42.05c-27.11-27.11-42.05-63.17-42.05-101.51s14.93-74.4,42.05-101.51%20S161.65,56.9,200,56.9%20M200,12.9C96.41,12.9,12.44,96.88,12.44,200.46c0,103.59,83.97,187.56,187.56,187.56%20c103.59,0,187.56-83.97,187.56-187.56C387.56,96.88,303.59,12.9,200,12.9L200,12.9z'/%3e%3c/g%3e%3cg%3e%3cg%20class='st1'%3e%3cpath%20class='st0'%20d='M235.49,152.24h16.15l-27.46,111.87c-1.94,7.8-2.91,12.5-2.91,14.1c0,1.82,0.58,3.29,1.73,4.41%20c1.16,1.12,2.69,1.68,4.61,1.68c5.23,0,11.78-3.85,19.63-11.55l17.22,21.34c-16.95,17.33-34.87,26-53.78,26%20c-8.37,0-15.45-1.47-21.23-4.41c-5.79-2.94-10.44-7.25-13.95-12.92c-3.51-5.67-5.27-11.18-5.27-16.53c0-1.93,0.35-5.24,1.05-9.94%20c1-6.94,2.05-12.54,3.15-16.82l15.22-62.15h-32.69l7.65-30.97C190.89,163.58,214.53,158.88,235.49,152.24z%20M230.44,80.84%20c8.24,0,14.66,2.62,19.26,7.86c4.6,5.24,6.9,11.55,6.9,18.94c0,5.46-1.42,10.7-4.25,15.73c-2.83,5.03-6.88,9.07-12.12,12.12%20c-5.24,3.05-10.33,4.57-15.24,4.57c-4.6,0-9.17-1.23-13.72-3.69c-4.55-2.46-8.02-5.78-10.43-9.95%20c-2.41-4.17-3.61-8.67-3.61-13.48c0-5.35,1.52-10.64,4.57-15.89c3.05-5.24,7.03-9.25,11.96-12.04%20C218.68,82.23,224.24,80.84,230.44,80.84z'/%3e%3c/g%3e%3cg%3e%3cpath%20class='st0'%20d='M214.08,152.24h16.15l-27.46,111.87c-1.94,7.8-2.91,12.5-2.91,14.1c0,1.82,0.58,3.29,1.73,4.41%20c1.16,1.12,2.69,1.68,4.61,1.68c5.23,0,11.78-3.85,19.63-11.55l17.22,21.34c-16.95,17.33-34.87,26-53.78,26%20c-8.37,0-15.45-1.47-21.23-4.41c-5.79-2.94-10.44-7.25-13.95-12.92c-3.51-5.67-5.27-11.18-5.27-16.53c0-1.93,0.35-5.24,1.05-9.94%20c1-6.94,2.05-12.54,3.15-16.82l15.22-62.15h-32.69l7.65-30.97C169.48,163.58,193.11,158.88,214.08,152.24z%20M209.03,80.84%20c8.24,0,14.66,2.62,19.26,7.86c4.6,5.24,6.9,11.55,6.9,18.94c0,5.46-1.42,10.7-4.25,15.73c-2.83,5.03-6.88,9.07-12.12,12.12%20c-5.24,3.05-10.33,4.57-15.24,4.57c-4.6,0-9.17-1.23-13.72-3.69c-4.55-2.46-8.02-5.78-10.43-9.95%20c-2.41-4.17-3.61-8.67-3.61-13.48c0-5.35,1.52-10.64,4.57-15.89c3.05-5.24,7.03-9.25,11.96-12.04%20C197.26,82.23,202.83,80.84,209.03,80.84z'/%3e%3c/g%3e%3c/g%3e%3c/g%3e%3c/svg%3e){kind=small}
Compare over 50 grades of steel and cast iron to find the right material for you—all with material certificates for traceability.
Multipurpose Low-Carbon Steel Round Tubes
 |
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 frames, supports, and conduit.
Heat Treatable—Heat treatable tubes can be surface hardened.
%20--%3e%3cg%3e%3cg%20id='Layer_1'%3e%3cpath%20class='cls-1'%20d='M68,27.2c-14.6,0-26.4,11.7-26.4,26.3,0,7,2.8,13.7,7.7,18.7v44.8l18.8-16.1,18.7,16.1v-44.9c10.3-10.3,10.3-27,0-37.3-5-4.9-11.7-7.7-18.7-7.7h0ZM81.3,105l-13.2-11.4-13.2,11.4v-28.7c8.2,4.8,18.3,4.8,26.5,0v28.7ZM76.2,70.8c-5.2,2.5-11.2,2.5-16.4,0-9.5-4.5-13.5-15.9-9-25.4,4.5-9.5,15.9-13.5,25.4-9,9.5,4.5,13.5,15.9,9,25.4-1.9,4-5.1,7.1-9,9Z'/%3e%3cpath%20class='cls-2'%20d='M5.8,95.5c-1.2,0-2.1-1-2.1-2.1,0,0,0,0,0,0V29.4h20.9c2.1,0,3.8-1.7,3.8-3.8V3.7c.2,0,.4,0,.5,0h37.5c1.2,0,2.1,1,2.1,2.1v18.6c1.2,0,2.5.1,3.7.3V5.8C72.2,2.6,69.6,0,66.4,0H28.9c-1.5,0-3,.6-4.1,1.7h-.1c0,.1-23,23.2-23,23.2-1.1,1.1-1.7,2.6-1.7,4.1v64.3c0,3.2,2.6,5.8,5.8,5.8h41.7v-3.7H5.8ZM24.7,7.1v18.7H6L24.7,7.1Z'/%3e%3c/g%3e%3c/g%3e%3c/svg%3e)
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
OD | ID | Fabrication | Mechanical Tube Type | Heat Treatable | Yield Strength, psi | Hardness | Specs. Met | 1 ft. Long | 2 ft. Long | 3 ft. Long | 4 ft. Long | 6 ft. Long | 8 ft. Long | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0.035" Thick Wall | ||||||||||||||||
| 3/8" | 0.305" | Welded | ERW | Yes | 30,000 | Rockwell B50 (Soft) | ASTM A513 Type 2 | 7767T92 | 00000 | 00000 | 00000 | 00000 | 00000 | 000000 | ||
| 1/2" | 0.43" | Welded | ERW | No | 30,000 | Rockwell B50 (Soft) | ASTM A513 Type 2 | 7767T12 | — | — | 0000 | — | 0000 | 00000 | ||
| 5/8" | 0.555" | Welded | ERW | Yes | 32,000 | Rockwell B55 (Soft) | ASTM A513 Type 2 | 6045N216 | — | — | — | — | 0000 | — | ||
| 3/4" | 0.68" | Welded | ERW | Yes | 32,000 | Rockwell B55 (Soft) | ASTM A513 Type 2 | 6045N217 | — | — | — | — | 00000 | — | ||
| 7/8" | 0.805" | Welded | ERW | No | 32,000 | Rockwell B55 (Soft) | ASTM A513 Type 2 | 6045N511 | — | — | — | — | 00000 | — | ||
| 1" | 0.93" | Welded | ERW | Yes | 32,000 | Rockwell B55 (Soft) | ASTM A513 Type 2 | 6045N218 | — | — | — | — | 00000 | — | ||
| 1 1/2" | 1.43" | Welded | ERW | Yes | 30,000 | Rockwell B50 (Soft) | ASTM A513 Type 2 | 6045N219 | — | — | — | — | 00000 | — | ||
| 2" | 1.93" | Welded | ERW | Yes | 32,000 | Rockwell B55 (Soft) | ASTM A513 Type 2 | 6045N221 | — | — | — | — | 00000 | — | ||
0.049" Thick Wall | ||||||||||||||||
| 1/2" | 0.402" | Welded | ERW | No | 30,000 | Rockwell B50 (Soft) | ASTM A513 Type 2 | 7767T13 | — | — | 0000 | — | 0000 | 00000 | ||
| 5/8" | 0.527" | Welded | ERW | No | 30,000 | Rockwell B50 (Soft) | ASTM A513 Type 2 | 7767T14 | — | — | 0000 | — | 00000 | 00000 | ||
| 3/4" | 0.652" | Welded | ERW | No | 30,000 | Rockwell B50 (Soft) | ASTM A513 Type 2 | 7767T21 | — | — | 0000 | — | 00000 | 00000 | ||
| 1" | 0.902" | Welded | ERW | No | 32,000 | Rockwell B55 (Soft) | ASTM A513 Type 2 | 7767T151 | 0000 | — | 0000 | 00000 | 00000 | 00000 | ||
| 1 1/2" | 1.402" | Welded | ERW | No | 32,000 | Rockwell B55 (Soft) | ASTM A513 Type 2 | 7767T171 | 0000 | — | 00000 | 00000 | 00000 | 00000 | ||
| 2" | 1.902" | Welded | ERW | No | 32,000 | Rockwell B55 (Soft) | ASTM A513 Type 2 | 7767T191 | 0000 | 00000 | 00000 | 00000 | 00000 | 00000 | ||
| 2 1/2" | 2.402" | Welded | ERW | Yes | 32,000 | Rockwell B55 (Soft) | ASTM A513 Type 2 | 6045N61 | — | — | 00000 | — | 00000 | — | ||
0.065" Thick Wall | ||||||||||||||||
| 5/8" | 0.495" | Welded | ERW | No | 30,000 | Rockwell B50 (Soft) | ASTM A513 Type 2 | 7767T24 | — | — | 0000 | — | 0000 | 00000 | ||
| 7/8" | 0.745" | Welded | ERW | No | 30,000 | Rockwell B50 (Soft) | ASTM A513 Type 2 | 7767T26 | — | — | 0000 | 00000 | 00000 | 00000 | ||
| 1 1/8" | 0.995" | Welded | ERW | Yes | 32,000 | Rockwell B55 (Soft) | ASTM A513 Type 2 | 6045N241 | — | — | — | — | 00000 | — | ||
| 1 1/2" | 1.37" | Welded | ERW | No | 32,000 | Rockwell B55 (Soft) | ASTM A513 Type 2 | 7767T271 | 0000 | 00000 | 00000 | 00000 | 00000 | 00000 | ||
Multipurpose Low-Carbon Steel Rectangular Tubes
 |
Also known as mild steel, low-carbon steel is easy to machine, form, and weld. These tubes are often fabricated into parts that don’t require high strength, such as frames, supports, and raceways. To increase their wear resistance, you can surface harden them with heat treating.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Outside | Inside | Corner Shape | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ht. | Wd. | Ht. | Wd. | Inside | Outside | Fabrication | Mechanical Tube Type | Yield Strength | Hardness | Max. Hardness After Heat Treatment | Specs. Met | 3 ft. Long | 4 ft. Long | 6 ft. Long | 8 ft. Long | |||
0.035" Thick Wall | ||||||||||||||||||
| 1/2" | 1/2" | 0.43" | 0.43" | Round | Round | Welded | ERW | Not Rated | Not Rated | Not Rated | ASTM A513 Type 2 | 6527K296 | — | — | 00000 | — | ||
0.049" Thick Wall | ||||||||||||||||||
| 1/2" | 1/2" | 0.402" | 0.402" | Round | Round | Welded | ERW | Not Rated | Not Rated | Not Rated | ASTM A513 Type 2 | 6527K81 | 00000 | 00000 | 0000 | 000000 | ||
| 5/8" | 5/8" | 0.527" | 0.527" | Round | Round | Welded | ERW | Not Rated | Not Rated | Not Rated | ASTM A513 Type 2 | 6527K82 | 0000 | — | 0000 | 00000 | ||
| 3/4" | 3/4" | 0.652" | 0.652" | Round | Round | Welded | ERW | Not Rated | Not Rated | Not Rated | ASTM A513 Type 2 | 6527K83 | 0000 | 0000 | 00000 | 00000 | ||
