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Compare over 50 grades of steel and cast iron to find the right material for you—all with material certificates for traceability.
Low-Carbon Steel U-Channels
- Yield Strength: 36,000 psi
- Hardness: Not Rated
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Not Rated
- Fabrication: Hot Rolled
- Specifications Met: ASTM A36
Also known as mild steel, low-carbon steel is easy to machine, form, and weld. It can also be surface-hardened with heat treatment. These U-channels are manufactured to meet ASTM A36 standards for performance and quality.
U-channels have thin, straight legs. They’re often used as edge protectors, cable trays, and trim.
C-channels are stronger than U-channels. They have thicker legs, and their tapered design distributes loads more evenly. They’re often used for structural purposes, such as frames and supports.
MC-channels are the strongest option, as they have wide bases and the thickest legs. Since they have straight legs, it’s easier to attach bolts to them than C-channels, which have tapered legs.
The U-channel trade number indicates the channel’s outside width and weight in lbs./ft. This gives you an easy reference for selecting the right size and strength for your needs.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Outside | Inside | Thickness | Corner Shape | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wd. | Ht. | U-Channel Trade Number | Wd. | Ht. | Leg | Base | Outside | Inside | 1 ft. Lg. | 2 ft. Lg. | 3 ft. Lg. | 4 ft. Lg. | 6 ft. Lg. | 8 ft. Lg. | 10 ft. Lg. | |
U-Channel | ||||||||||||||||
| 1 1/4" | 1/2" | __ | 1" | 3/8" | 0.125" | 1/8" | Square | Round | 0000000 | |||||||
| 1 1/2" | 1/2" | __ | 1 1/4" | 3/8" | 0.125" | 1/8" | Square | Round | 0000000 | |||||||
| 1 1/2" | 9/16" | __ | 1 1/8" | 3/8" | 0.188" | 3/16" | Square | Round | 0000000 | |||||||
| 1 1/2" | 3/4" | __ | 1 1/4" | 9/16" | 0.138" | 1/8" | Square | Round | 0000000 | |||||||
| 2" | 1/2" | __ | 1 3/4" | 3/8" | 0.125" | 1/8" | Square | Round | 0000000 | |||||||
| 2" | 9/16" | __ | 1 5/8" | 3/8" | 0.188" | 3/16" | Square | Round | 0000000 | |||||||
| 2" | 1" | __ | 1 3/4" | 7/8" | 0.128" | 1/8" | Square | Round | 0000000 | |||||||
| 2 1/2" | 5/8" | __ | 2 1/8" | 7/16" | 0.188" | 3/16" | Square | Round | 00000000 | |||||||
C-Channel | ||||||||||||||||
| 1" | 1/2" | __ | 11/16" | 3/8" | 0.141" | 1/8" | Square | Round | 0000000 | |||||||
| 2" | 5/8" | __ | 1 1/2" | 3/8" | 0.25" | 1/4" | Square | Round | 0000000 | |||||||
| 2" | 1" | __ | 1 1/2" | 13/16" | 0.25" | 3/16" | Square | Round | 0000000 | |||||||
| 3" | 1.41" | C3×4.1 | 2.66" | 1.24" | 0.17" | 0.17" | Square | Round | 0000000 | |||||||
| 3" | 1.498" | C3×5 | 2.484" | 1.24" | 0.258" | 0.258" | Square | Round | 0000000 | |||||||
| 3" | 1.596" | C3×6 | 2.288" | 1.24" | 0.356" | 0.356" | Square | Round | 0000000 | |||||||
| 4" | 1.584" | C4×5.4 | 3.1" | 1.4" | 0.45" | 0.184" | Square | Round | 0000000 | |||||||
| 4" | 1.721" | C4×7.25 | 3.358" | 1.4" | 0.321" | 0.321" | Square | Round | 0000000 | |||||||
| 5" | 1 3/4" | C5×6.7 | 4.62" | 1.56" | 0.19" | 0.19" | Square | Round | 0000000 | |||||||
| 5" | 1.885" | C5×9 | 4.35" | 1.56" | 0.325" | 0.325" | Square | Round | 0000000 | |||||||
| 6" | 1.92" | C6×8.2 | 5.6" | 1.72" | 0.2" | 0.2" | Square | Round | 0000000 | |||||||
| 6" | 2.034" | C6×10.5 | 5.372" | 1.72" | 0.314" | 0.314" | Square | Round | 0000000 | |||||||
| 7" | 2.09" | C7×9.8 | 6.58" | 1.88" | 0.21" | 0.21" | Square | Round | 0000000 | |||||||
| 8" | 2.26" | C8×11.5 | 7.56" | 2.04" | 0.22" | 0.22" | Square | Round | 0000000 | |||||||
MC-Channel | ||||||||||||||||
| 4" | 2 1/2" | MC4×13.8 | 3" | 2" | 0.5" | 1/2" | Square | Round | 0000000 | |||||||
| 6" | 2.497" | MC6×12 | 5 1/4" | 2.187" | 0.375" | 0.31" | Square | Round | 0000000 | |||||||
Zinc-Galvanized Low-Carbon Steel U-Channels
- Yield Strength: 36,000 psi
- Hardness: Not Rated
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Not Rated
- Fabrication: Hot Rolled
- Specifications Met: ASTM A36
These U-channels are zinc galvanized for good corrosion resistance. Also known as mild steel, low-carbon steel is easy to machine and form. All have been manufactured to meet ASTM A36 standards for quality and performance.
U-channels have thin, straight legs. They’re often used as edge protectors, cable trays, and trim.
C-channels are stronger than U-channels. They have thicker legs, and their tapered design distributes loads more evenly. They’re often used for structural purposes such as frames and supports.
The U-channel trade number indicates the channel’s outside width and weight in lbs./ft. This gives you an easy reference for selecting the right size and strength for your needs.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Outside | Inside | Thickness | Corner Shape | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wd. | Ht. | U-Channel Trade Number | Ht. | Wd. | Leg | Base | Finish Thick., microns | Outside | Inside | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
U-Channel | |||||||||||||
| 1" | 1/2" | __ | 3/8" | 11/16" | 0.141" | 1/8" | 75 | Square | Round | 0000000 | |||
| 1 1/2" | 3/4" | __ | 9/16" | 1 1/4" | 0.138" | 1/8" | 75 | Square | Round | 0000000 | |||
| 2" | 5/8" | __ | 3/8" | 1 1/2" | 0.25" | 1/4" | 75 | Square | Round | 0000000 | |||
| 2" | 1" | __ | 13/16" | 1 1/2" | 0.25" | 3/16" | 75 | Square | Round | 0000000 | |||
| 2" | 1" | __ | 7/8" | 1 3/4" | 0.128" | 1/8" | 75 | Square | Round | 0000000 | |||
C-Channel | |||||||||||||
| 3" | 1.41" | C3×4.1 | 1.24" | 2.66" | 0.17" | 0.17" | 75 | Square | Round | 0000000 | |||
| 4" | 1.584" | C4×5.4 | 1.4" | 3.632" | 0.184" | 0.184" | 75 | Square | Round | 0000000 | |||
| 5" | 1 3/4" | C5×6.7 | 1.56" | 4.62" | 0.19" | 0.19" | 75 | Square | Round | 0000000 | |||
| 6" | 1.92" | C6×8.2 | 1.72" | 5.6" | 0.2" | 0.2" | 75 | Square | Round | 0000000 | |||
Low-Carbon Steel 90° Angles
- Yield Strength: 36,000 psi
- Hardness: Not Rated
- Heat Treatable: See Table
- Max. Hardness After Heat Treatment: Not Rated
- Fabrication: Hot Rolled
- Specifications Met: See Table
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 edge protectors. These 90° angles meet either ASTM A36 or EN 10025-2 standards for performance and quality.
Heat treatable steel can be surface hardened for added wear resistance.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Outside | Inside | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ht. | Wd. | Ht. | Wd. | Heat Treatable | Specifications Met | 1/2 ft. Lg. | 1 ft. Lg. | 2 ft. Lg. | 3 ft. Lg. | 4 ft. Lg. | 6 ft. Lg. | 8 ft. Lg. | 10 ft. Lg. | |
1/8" Wall Thick. | ||||||||||||||
| 1/2" | 1/2" | 3/8" | 3/8" | Yes | ASTM A36 | 00000000 | ||||||||
| 3/4" | 3/4" | 5/8" | 5/8" | Yes | ASTM A36 | 00000000 | ||||||||
| 1" | 1" | 7/8" | 7/8" | Yes | ASTM A36 | 00000000 | ||||||||
| 1 1/4" | 1 1/4" | 1 1/8" | 1 1/8" | Yes | ASTM A36 | 00000000 | ||||||||
| 1 1/2" | 1 1/2" | 1 3/8" | 1 3/8" | Yes | ASTM A36 | 00000000 | ||||||||
| 1 3/4" | 1 3/4" | 1 5/8" | 1 5/8" | Yes | ASTM A36 | 0000000 | ||||||||
| 2" | 1 1/2" | 1 7/8" | 1 3/8" | Yes | ASTM A36 | 0000000 | ||||||||
| 2" | 2" | 1 7/8" | 1 7/8" | Yes | ASTM A36 | 00000000 | ||||||||
3/16" Wall Thick. | ||||||||||||||
| 1" | 1" | 13/16" | 13/16" | Yes | ASTM A36 | 00000000 | ||||||||
| 1 1/4" | 1 1/4" | 1 1/16" | 1 1/16" | Yes | ASTM A36 | 0000000 | ||||||||
| 1 1/2" | 1 1/2" | 1 5/16" | 1 5/16" | Yes | ASTM A36 | 00000000 | ||||||||
| 1 3/4" | 1 3/4" | 1 9/16" | 1 9/16" | Yes | ASTM A36 | 00000000 | ||||||||
| 2" | 1 1/2" | 1 13/16" | 1 5/16" | Yes | ASTM A36 | 0000000 | ||||||||
| 2" | 2" | 1 13/16" | 1 13/16" | Yes | ASTM A36 | 00000000 | ||||||||
| 2 1/2" | 2 1/2" | 2 5/16" | 2 5/16" | Yes | ASTM A36 | 00000000 | ||||||||
| 3" | 2" | 2 13/16" | 1 13/16" | Yes | ASTM A36 | 000000 | ||||||||
| 3" | 3" | 2 13/16" | 2 13/16" | Yes | ASTM A36 | 00000000 | ||||||||
1/4" Wall Thick. | ||||||||||||||
| 1" | 1" | 3/4" | 3/4" | Yes | ASTM A36 | 00000000 | ||||||||
| 1 1/4" | 1 1/4" | 1" | 1" | Yes | ASTM A36 | 0000000 | ||||||||
| 1 1/2" | 1 1/2" | 1 1/4" | 1 1/4" | Yes | ASTM A36 | 00000000 | ||||||||
| 1 3/4" | 1 3/4" | 1 1/2" | 1 1/2" | Yes | ASTM A36 | 0000000 | ||||||||
| 2" | 1 1/2" | 1 3/4" | 1 1/4" | Yes | ASTM A36 | 0000000 | ||||||||
| 2" | 2" | 1 3/4" | 1 3/4" | Yes | ASTM A36 | 00000000 | ||||||||
| 2 1/2" | 1 1/2" | 2 1/4" | 1 1/4" | Yes | ASTM A36 | 0000000 | ||||||||
| 2 1/2" | 2" | 2 1/4" | 1 3/4" | Yes | ASTM A36 | 000000 | ||||||||
| 2 1/2" | 2 1/2" | 2 1/4" | 2 1/4" | Yes | ASTM A36 | 00000000 | ||||||||
| 3" | 2" | 2 3/4" | 1 3/4" | Yes | ASTM A36 | 0000000 | ||||||||
| 3" | 2 1/2" | 2 3/4" | 2 1/4" | Yes | ASTM A36 | 0000000 | ||||||||
| 3" | 3" | 2 3/4" | 2 3/4" | Yes | ASTM A36 | 00000000 | ||||||||
| 3 1/2" | 3 1/2" | 3 1/4" | 3 1/4" | Yes | ASTM A36 | 0000000 | ||||||||
| 4" | 3" | 3 3/4" | 2 3/4" | Yes | ASTM A36 | 0000000 | ||||||||
| 4" | 4" | 3 3/4" | 3 3/4" | Yes | ASTM A36 | 00000000 | ||||||||
| 5" | 3" | 4 3/4" | 2 3/4" | Yes | ASTM A36 | 0000000 | ||||||||
5/16" Wall Thick. | ||||||||||||||
| 3" | 2" | 2 11/16" | 1 11/16" | Yes | ASTM A36 | 0000000 | ||||||||
| 3 1/2" | 3 1/2" | 3 3/16" | 3 3/16" | Yes | ASTM A36 | 0000000 | ||||||||
| 4" | 4" | 3 11/16" | 3 11/16" | Yes | ASTM A36 | 0000000 | ||||||||
| 5" | 3 1/2" | 4 11/16" | 3 3/16" | Yes | ASTM A36 | 0000000 | ||||||||
| 6" | 3 1/2" | 5 11/16" | 3 3/16" | Yes | ASTM A36 | 0000000 | ||||||||
| 6" | 4" | 5 11/16" | 3 11/16" | Yes | ASTM A36 | 0000000 | ||||||||
3/8" Wall Thick. | ||||||||||||||
| 2" | 2" | 1 5/8" | 1 5/8" | Yes | ASTM A36 | 0000000 | ||||||||
| 2 1/2" | 2 1/2" | 2 1/8" | 2 1/8" | Yes | ASTM A36 | 0000000 | ||||||||
| 3" | 2" | 2 5/8" | 1 5/8" | Yes | ASTM A36 | 0000000 | ||||||||
| 3" | 3" | 2 5/8" | 2 5/8" | Yes | ASTM A36 | 0000000 | ||||||||
| 3 1/2" | 3 1/2" | 3 1/8" | 3 1/8" | Yes | ASTM A36 | 0000000 | ||||||||
| 4" | 3" | 3 5/8" | 2 5/8" | Yes | ASTM A36 | 0000000 | ||||||||
| 4" | 4" | 3 5/8" | 3 5/8" | Yes | ASTM A36 | 0000000 | ||||||||
| 5" | 3" | 4 5/8" | 2 5/8" | Yes | ASTM A36 | 0000000 | ||||||||
| 5" | 5" | 4 5/8" | 4 5/8" | Yes | ASTM A36 | 000000 | ||||||||
| 6" | 4" | 5 5/8" | 3 5/8" | Yes | ASTM A36 | 0000000 | ||||||||
| 6" | 6" | 5 5/8" | 5 5/8" | Yes | ASTM A36 | 0000000 | ||||||||
1/2" Wall Thick. | ||||||||||||||
| 2 1/2" | 2 1/2" | 2" | 2" | Yes | ASTM A36 | 0000000 | ||||||||
| 3" | 3" | 2 1/2" | 2 1/2" | Yes | ASTM A36 | 0000000 | ||||||||
| 4" | 4" | 3 1/2" | 3 1/2" | Yes | ASTM A36 | 0000000 | ||||||||
| 5" | 3" | 4 1/2" | 2 1/2" | Yes | ASTM A36 | 0000000 | ||||||||
| 5" | 5" | 4 1/2" | 4 1/2" | Yes | ASTM A36 | 0000000 | ||||||||
| 6" | 6" | 5 1/2" | 5 1/2" | Yes | ASTM A36 | 0000000 | ||||||||
5/8" Wall Thick. | ||||||||||||||
| 4" | 4" | 3 3/8" | 3 3/8" | Yes | ASTM A36 | 0000000 | ||||||||
| 6" | 6" | 5 3/8" | 5 3/8" | Yes | ASTM A36 | 0000000 | ||||||||
3/4" Wall Thick. | ||||||||||||||
| 4" | 4" | 3 1/4" | 3 1/4" | Yes | ASTM A36 | 0000000 | ||||||||
| 5" | 3 1/2" | 4 1/4" | 2 3/4" | Yes | ASTM A36 | 0000000 | ||||||||
| 6" | 4" | 5 1/4" | 3 1/4" | Yes | ASTM A36 | 0000000 | ||||||||
| 7" | 4" | 6 1/4" | 3 1/4" | Yes | ASTM A36 | 0000000 | ||||||||
| 8" | 6" | 7 1/4" | 5 1/4" | Yes | ASTM A36 | 0000000 | ||||||||
| 8" | 8" | 7 1/4" | 7 1/4" | Yes | ASTM A36 | 0000000 | ||||||||
1" Wall Thick. | ||||||||||||||
| 6" | 6" | 5" | 5" | Yes | ASTM A36 | 0000000 | ||||||||
| 8" | 8" | 7" | 7" | Yes | ASTM A36 | 0000000 | ||||||||
3mm Wall Thick. | ||||||||||||||
| 30mm | 30mm | 27mm | 27mm | No | EN 10025-2 | 0000000 | ||||||||
4mm Wall Thick. | ||||||||||||||
| 40mm | 40mm | 36mm | 36mm | No | EN 10025-2 | 0000000 | ||||||||
5mm Wall Thick. | ||||||||||||||
| 50mm | 50mm | 45mm | 45mm | No | EN 10025-2 | 0000000 | ||||||||
6mm Wall Thick. | ||||||||||||||
| 40mm | 40mm | 34mm | 34mm | No | EN 10025-2 | 0000000 | ||||||||
| 70mm | 70mm | 64mm | 64mm | No | EN 10025-2 | 0000000 | ||||||||
Zinc-Galvanized Low-Carbon Steel 90° Angles
- Yield Strength: 36,000 psi
- Hardness: Rockwell B70 (Medium)
- Heat Treatable: No
- Fabrication: Hot Rolled
- Specifications Met: ASTM A36
These 90° angles are zinc galvanized for good corrosion resistance. Also known as mild steel, low-carbon steel is easy to machine and form. It's widely fabricated into parts that don’t require high strength, such as frames, supports, and edge protectors. They all meet ASTM A36 standards for quality and performance.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Outside | Inside | |||||||
|---|---|---|---|---|---|---|---|---|
| Ht. | Wd. | Ht. | Wd. | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | 8 ft. Lg. | |
1/8" Wall Thick. | ||||||||
| 1/2" | 1/2" | 3/8" | 3/8" | 00000000 | ||||
| 3/4" | 3/4" | 5/8" | 5/8" | 0000000 | ||||
| 1" | 1" | 7/8" | 7/8" | 0000000 | ||||
| 1 1/4" | 1 1/4" | 1 1/8" | 1 1/8" | 0000000 | ||||
| 1 1/2" | 1 1/2" | 1 3/8" | 1 3/8" | 0000000 | ||||
| 2" | 2" | 1 7/8" | 1 7/8" | 0000000 | ||||
3/16" Wall Thick. | ||||||||
| 1" | 1" | 13/16" | 13/16" | 00000000 | ||||
| 1 1/2" | 1 1/2" | 1 5/16" | 1 5/16" | 00000000 | ||||
| 2" | 2" | 1 13/16" | 1 13/16" | 0000000 | ||||
| 3" | 2" | 2 13/16" | 1 13/16" | 00000000 | ||||
| 3" | 3" | 2 13/16" | 2 13/16" | 00000000 | ||||
1/4" Wall Thick. | ||||||||
| 1 1/2" | 1 1/2" | 1 1/4" | 1 1/4" | 0000000 | ||||
| 2" | 2" | 1 3/4" | 1 3/4" | 0000000 | ||||
| 3" | 2" | 2 3/4" | 1 3/4" | 00000000 | ||||
| 3" | 3" | 2 3/4" | 2 3/4" | 0000000 | ||||
| 4" | 3" | 3 3/4" | 2 3/4" | 00000000 | ||||
| 5" | 3" | 4 3/4" | 2 3/4" | 00000000 | ||||