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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.
Multipurpose Low-Carbon Steel Round Tubes
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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.
Stress-Relieved Heat Treatment—Tubes that are stress relieved minimize warping during machining.
DOM—DOM (drawn over mandrel) welded tubes are stronger than ERW (electric resistance welded) tubes.
Heat Treatable—Heat treatable tubes can be surface hardened.
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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 Treatment | Heat Treatable | Yield Strength, psi | Hardness | Specs. Met | 1" Long | 3" Long | 1/2 ft. Long | 1 ft. Long | 3 ft. Long | 4 ft. Long | 6 ft. Long | 8 ft. Long | 12 ft. Long | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0.12" Thick Wall | ||||||||||||||||||||
| 1/2" | 0.26" | Welded | DOM | — | No | 55,000 | Rockwell B75 (Medium) | ASTM A513 Type 5 | 7767T42 | — | — | — | 00000 | 000000 | 000000 | 000000 | 000000 | 000000 | ||
| 9/16" | 0.323" | Welded | DOM | Stress Relieved | Yes | 55,000 | Rockwell B75 (Medium) | ASTM A513 Type 5 | 6045N81 | — | — | — | — | 00000 | — | 00000 | — | — | ||
| 5/8" | 0.385" | Welded | DOM | Stress Relieved | No | 55,000 | Rockwell B75 (Medium) | ASTM A513 Type 5 | 7767T115 | — | — | — | — | — | — | 00000 | — | — | ||
| 13/16" | 0.573" | Welded | DOM | Stress Relieved | Yes | 55,000 | Rockwell B75 (Medium) | ASTM A513 Type 5 | 6045N82 | — | — | — | — | 00000 | — | 00000 | — | — | ||
| 1 1/16" | 0.823" | Welded | DOM | Stress Relieved | Yes | 55,000 | Rockwell B75 (Medium) | ASTM A513 Type 5 | 6045N83 | — | — | — | — | 00000 | — | 00000 | — | — | ||
0.134" Thick Wall | ||||||||||||||||||||
| 1" | 0.732" | Welded | DOM | Stress Relieved | Yes | 55,000 | Rockwell B75 (Medium) | ASTM A513 Type 5 | 6045N91 | — | — | — | 00000 | 00000 | — | 00000 | — | — | ||
0.188" Thick Wall | ||||||||||||||||||||
| 4" | 3 5/8" | Welded | DOM | Stress Relieved | Yes | 55,000 | Rockwell B75 (Medium) | ASTM A513 Type 5 | 6045N94 | — | — | 000000 | 00000 | 000000 | — | — | — | — | ||
1/4" Thick Wall | ||||||||||||||||||||
| 3" | 2 1/2" | Welded | DOM | Stress Relieved | Yes | 55,000 | Rockwell B75 (Medium) | ASTM A513 Type 5 | 6045N423 | — | 000000 | — | — | — | — | — | — | — | ||
| 3" | 2 1/2" | Welded | DOM | Stress Relieved | Yes | 55,000 | Rockwell B75 (Medium) | ASTM A513 Type 5 | 6045N422 | 000000 | — | — | — | — | — | — | — | — | ||
| 3 1/4" | 2 3/4" | Welded | DOM | Stress Relieved | Yes | 55,000 | Rockwell B75 (Medium) | ASTM A513 Type 5 | 6045N95 | — | — | — | 00000 | 000000 | — | 000000 | — | — | ||
| 3 1/2" | 3" | Welded | DOM | Stress Relieved | Yes | 55,000 | Rockwell B75 (Medium) | ASTM A513 Type 5 | 6045N432 | — | 00000 | — | — | — | — | — | — | — | ||
| 3 1/2" | 3" | Welded | DOM | Stress Relieved | Yes | 55,000 | Rockwell B75 (Medium) | ASTM A513 Type 5 | 6045N431 | 00000 | — | — | — | — | — | — | — | — | ||
