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About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron
More
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 fixture clamps, mounting plates, and spacers.
Heat treatable tubes 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: See table
- Heat Treatable: See table
- Specifcations Met: See table
| OD | OD Tolerance | ID | Yield Strength, psi | Heat Treatable | Heat Treatment | Hardness | Specifications Met | 1 ft. Lg. | 2 ft. Lg. | 3 ft. Lg. | 4 ft. Lg. | 6 ft. Lg. | |
0.035" Wall Thick. (Standard Tolerance) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3/8" | -0.003" to 0.003" | 0.305" | 26,600 | Yes | __ | Rockwell B55 (Soft) | ASTM A513 Type 2 | 0000000 | |||||
| 1/2" | -0.003" to 0.003" | 0.43" | 30,000 | No | __ | Rockwell B50 (Soft) | ASTM A513 | 0000000 | |||||
0.049" Wall Thick. (Standard Tolerance) | |||||||||||||
| 1/2" | -0.003" to 0.003" | 0.402" | 30,000 | No | __ | Rockwell B50 (Soft) | ASTM A513 | 0000000 | |||||
| 5/8" | -0.003" to 0.003" | 0.527" | 30,000 | No | __ | Rockwell B50 (Soft) | ASTM A513 | 0000000 | |||||
| 3/4" | -0.003" to 0.003" | 0.652" | 30,000 | No | __ | Rockwell B50 (Soft) | ASTM A513 | 0000000 | |||||
| 1" | -0.004" to 0.004" | 0.902" | 45,000 | No | __ | Rockwell B60 (Medium) | ASTM A513 | 00000000 | |||||
| 1 1/2" | -0.005" to 0.005" | 1.402" | 45,000 | No | __ | Rockwell B60 (Medium) | ASTM A513 | 00000000 | |||||
| 2" | -0.005" to 0.005" | 1.902" | 45,000 | No | __ | Rockwell B60 (Medium) | ASTM A513 | 00000000 | |||||
0.065" Wall Thick. (Standard Tolerance) | |||||||||||||
| 1/2" | -0.004" to 0.004" | 0.37" | 30,000 | No | __ | Rockwell B50 (Soft) | ASTM A513 | 0000000 | |||||
| 5/8" | -0.003" to 0.003" | 0.495" | 30,000 | No | __ | Rockwell B50 (Soft) | ASTM A513 | 0000000 | |||||
| 3/4" | -0.004" to 0.004" | 0.62" | 30,000 | No | __ | Rockwell B50 (Soft) | ASTM A513 | 0000000 | |||||
| 7/8" | -0.004" to 0.004" | 0.745" | 30,000 | No | __ | Rockwell B50 (Soft) | ASTM A513 | 0000000 | |||||
| 1" | -0.004" to 0.004" | 0.87" | 40,000 | No | __ | Rockwell B60 (Medium) | ASTM A513 | 00000000 | |||||
| 1 1/4" | -0.004" to 0.004" | 1.12" | 30,000 | No | __ | Rockwell B50 (Soft) | ASTM A513 | 0000000 | |||||
| 1 1/2" | -0.005" to 0.005" | 1.37" | 45,000 | No | __ | Rockwell B60 (Medium) | ASTM A513 | 00000000 | |||||
| 2" | -0.005" to 0.005" | 1.87" | 38,000 | No | __ | Rockwell B60 (Medium) | ASTM A513 | 00000000 | |||||
| 3" | -0.008" to 0.008" | 2.87" | 38,000 | No | __ | Rockwell B60 (Medium) | ASTM A513 | 00000000 | |||||
| 4" | -0.01" to 0.01" | 3.87" | 38,000 | No | __ | Rockwell B60 (Medium) | ASTM A513 | 00000000 | |||||
0.083" Wall Thick. (Standard Tolerance) | |||||||||||||
| 5/8" | -0.004" to 0.004" | 0.459" | 30,000 | No | __ | Rockwell B50 (Soft) | ASTM A513 | 0000000 | |||||
| 3/4" | -0.004" to 0.004" | 0.584" | 30,000 | No | __ | Rockwell B50 (Soft) | ASTM A513 | 0000000 | |||||
| 7/8" | -0.004" to 0.004" | 0.709" | 30,000 | No | __ | Rockwell B50 (Soft) | ASTM A513 | 0000000 | |||||
| 1" | -0.004" to 0.004" | 0.834" | 30,000 | No | __ | Rockwell B50 (Soft) | ASTM A513 | 0000000 | |||||
0.095" Wall Thick. (Standard Tolerance) | |||||||||||||
| 3/4" | -0.004" to 0.004" | 0.56" | 30,000 | No | __ | Rockwell B50 (Soft) | ASTM A513 | 0000000 | |||||
| 1" | -0.004" to 0.004" | 0.81" | 30,000 | No | __ | Rockwell B50 (Soft) | ASTM A513 | 0000000 | |||||
| 1 3/4" | -0.004" to 0.004" | 1.56" | 30,000 | No | __ | Rockwell B50 (Soft) | ASTM A513 | 0000000 | |||||
0.12" Wall Thick. (Oversized Tolerance) | |||||||||||||
| 1/2" | 0" to 0.005" | 0.26" | 75,000 | No | __ | Rockwell B85 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
0.12" Wall Thick. (Standard Tolerance) | |||||||||||||
| 3/4" | -0.004" to 0.004" | 0.51" | 30,000 | No | __ | Rockwell B50 (Soft) | ASTM A513 | 0000000 | |||||
| 7/8" | -0.004" to 0.004" | 0.635" | 30,000 | No | __ | Rockwell B50 (Soft) | ASTM A513 | 0000000 | |||||
| 1" | -0.004" to 0.004" | 0.76" | 38,000 | No | __ | Rockwell B60 (Medium) | ASTM A513 | 00000000 | |||||
| 1 1/8" | -0.004" to 0.004" | 0.885" | 30,000 | No | __ | Rockwell B50 (Soft) | ASTM A513 | 0000000 | |||||
| 1 1/4" | -0.004" to 0.004" | 1.01" | 30,000 | No | __ | Rockwell B50 (Soft) | ASTM A513 | 0000000 | |||||
| 1 1/2" | -0.005" to 0.005" | 1.26" | 38,000 | No | __ | Rockwell B60 (Medium) | ASTM A513 | 00000000 | |||||
| 1 3/4" | -0.004" to 0.004" | 1.51" | 30,000 | No | __ | Rockwell B50 (Soft) | ASTM A513 | 0000000 | |||||
| 2" | -0.004" to 0.004" | 1.76" | 30,000 | No | __ | Rockwell B50 (Soft) | ASTM A513 | 0000000 | |||||
| 2 1/4" | -0.004" to 0.004" | 2.01" | 30,000 | No | __ | Rockwell B50 (Soft) | ASTM A513 | 0000000 | |||||
| 3 1/2" | -0.009" to 0.009" | 3.26" | 38,000 | No | __ | Rockwell B60 (Medium) | ASTM A513 | 00000000 | |||||
| 4" | -0.01" to 0.01" | 3.76" | 38,000 | No | __ | Rockwell B60 (Medium) | ASTM A513 | 00000000 | |||||
| 4 1/2" | -0.02" to 0.02" | 4.26" | 38,000 | No | __ | Rockwell B60 (Medium) | ASTM A513 | 00000000 | |||||
0.134" Wall Thick. (Standard Tolerance) | |||||||||||||
| 1 5/8" | -0.004" to 0.004" | 1.345" | 38,000 | No | __ | Rockwell B60 (Medium) | ASTM A513 | 0000000 | |||||
0.188" Wall Thick. (Oversized Tolerance) | |||||||||||||
| 3/4" | 0" to 0.005" | 3/8" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 1" | 0" to 0.005" | 5/8" | 45,000 | No | __ | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 1 1/8" | 0" to 0.005" | 3/4" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 1 1/4" | 0" to 0.005" | 7/8" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 1 3/8" | 0" to 0.005" | 1" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 1 1/2" | 0" to 0.005" | 1 1/8" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 1 5/8" | 0" to 0.005" | 1 1/4" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 1 3/4" | 0" to 0.006" | 1 3/8" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 2" | 0" to 0.006" | 1 5/8" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 2 1/2" | 0" to 0.008" | 2 1/8" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 3" | 0" to 0.009" | 2 5/8" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 3 1/8" | 0" to 0.009" | 2 3/4" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
1/4" Wall Thick. (Oversized Tolerance) | |||||||||||||
| 1" | 0" to 0.005" | 1/2" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 1 1/8" | 0" to 0.005" | 5/8" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 1 1/4" | 0" to 0.005" | 3/4" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 1 3/8" | 0" to 0.005" | 7/8" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 1 1/2" | 0" to 0.005" | 1" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 1 3/4" | 0" to 0.006" | 1 1/4" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 2" | 0" to 0.006" | 1 1/2" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 2 1/2" | 0" to 0.008" | 2" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 3" | 0" to 0.009" | 2 1/2" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 3 1/2" | 0" to 0.01" | 3" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 4" | 0" to 0.011" | 3 1/2" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
3/8" Wall Thick. (Oversized Tolerance) | |||||||||||||
| 1 1/2" | 0" to 0.005" | 3/4" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 1 3/4" | 0" to 0.006" | 1" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 2" | 0" to 0.006" | 1 1/4" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 2 1/4" | 0" to 0.007" | 1 1/2" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 2 1/2" | 0" to 0.008" | 1 3/4" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
1/2" Wall Thick. (Oversized Tolerance) | |||||||||||||
| 1 1/2" | 0" to 0.005" | 1/2" | 65,000 | No | __ | Rockwell B86 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 2" | 0" to 0.005" | 1" | 75,000 | No | __ | Rockwell B85 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 2 3/4" | 0" to 0.008" | 1 3/4" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 3" | 0" to 0.009" | 2" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 3 1/2" | 0" to 0.01" | 2 1/2" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 4" | 0" to 0.011" | 3" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
| 5 1/2" | 0" to 0.015" | 4 1/2" | 45,000 | No | Stress Relieved | Rockwell B60 (Medium) | ASTM A513 Type 5 | 0000000 | |||||
Metric Tubes
- Yield Strength: 34,000 psi
- Hardness: Brinell 100 (Soft)
- Heat Treatable: No
| OD, mm | OD Tolerance, mm | ID, mm | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
1 mm Wall Thick. (Standard Tolerance) | ||||||
|---|---|---|---|---|---|---|
| 12 | -0.08 to 0.08 | 10 | 0000000 | |||
2 mm Wall Thick. (Standard Tolerance) | ||||||
| 12 | -0.08 to 0.08 | 8 | 00000000 | |||
| 20 | -0.08 to 0.08 | 16 | 0000000 | |||
3 mm Wall Thick. (Standard Tolerance) | ||||||
| 20 | -0.08 to 0.08 | 14 | 00000000 | |||
| 25 | -0.08 to 0.08 | 19 | 0000000 | |||
4 mm Wall Thick. (Standard Tolerance) | ||||||
| 25 | -0.08 to 0.08 | 17 | 00000000 | |||
| 30 | -0.08 to 0.08 | 22 | 0000000 | |||
Low-Carbon Steel Rectangular 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 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 | |||
| 5/8" | -0.004" to 0.004" | 5/8" | -0.004" to 0.004" | 0.527" | 0.527" | Not Rated | ASTM A513 | __ | 0000000 | |||
| 3/4" | -0.005" to 0.005" | 3/4" | -0.005" to 0.005" | 0.652" | 0.652" | Not Rated | ASTM A513 | __ | 0000000 | |||
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 | |||
| 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 | |||
| 1/2" | -0.005" to 0.005" | 1" | -0.005" to 0.005" | 0.37" | 0.87" | Not Rated | ASTM A513 | __ | 0000000 | |||
| 5/8" | -0.004" to 0.004" | 5/8" | -0.004" to 0.004" | 0.495" | 0.495" | Not Rated | ASTM A513 | __ | 0000000 | |||
| 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 | |||
| 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 | |||
| 1" | -0.01" to 0.01" | 3" | -0.01" to 0.01" | 0.87" | 2.87" | Not Rated | ASTM A513 | __ | 0000000 | |||
| 1" | -0.008" to 0.008" | 2" | -0.008" to 0.008" | 0.87" | 1.87" | Not Rated | ASTM A513 | __ | 0000000 | |||
| 1" | -0.006" to 0.006" | 1 1/2" | -0.006" to 0.006" | 0.87" | 1.37" | Not Rated | ASTM A513 | __ | 0000000 | |||
| 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 | |||
| 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 | |||
| 2" | -0.008" to 0.008" | 2" | -0.008" to 0.008" | 1.87" | 1.87" | Not Rated | ASTM A513 | __ | 0000000 | |||
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 | |||
| 3/4" | -0.006" to 0.006" | 1 1/2" | -0.006" to 0.006" | 0.584" | 1.334" | Not Rated | ASTM A513 | __ | 000000 | |||
| 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 | |||
| 1" | -0.01" to 0.01" | 1 1/2" | -0.01" to 0.01" | 0.834" | 1.334" | Not Rated | ASTM A513 | __ | 0000000 | |||
| 1" | -0.01" to 0.01" | 3" | -0.01" to 0.01" | 0.834" | 2.834" | Not Rated | ASTM A513 | __ | 0000000 | |||
| 1" | -0.008" to 0.008" | 2" | -0.008" to 0.008" | 0.834" | 1.834" | Not Rated | ASTM A513 | __ | 0000000 | |||
| 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 | |||
| 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 | |||
| 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 | |||
| 2" | -0.02" to 0.02" | 4" | -0.02" to 0.02" | 1.834" | 3.834" | Not Rated | ASTM A513 | __ | 0000000 | |||
| 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 | |||
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 | |||
| 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 | |||
| 1" | -0.008" to 0.008" | 2" | -0.008" to 0.008" | 0.76" | 1.76" | Not Rated | ASTM A513 | __ | 0000000 | |||
| 1" | -0.006" to 0.006" | 1 1/2" | -0.006" to 0.006" | 0.76" | 1.26" | Not Rated | ASTM A513 | __ | 0000000 | |||
| 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 | |||
| 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 | |||
| 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 | |||
| 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 | |||
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 | |||
| 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 | |||
| 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 | |||
| 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 | |||
| 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 | |||
| 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 | |||
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 | |||
| 1 1/2" | -0.025" to 0.025" | 3" | -0.025" to 0.025" | 1.124" | 2.624" | 46,000 | ASTM A500 | __ | 0000000 | |||
| 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 | |||
| 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 | |||
| 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 | |||
| 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 | |||
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 | |||
| 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 | |||
| 2 1/2" | -0.02" to 0.02" | 2 1/2" | -0.02" to 0.02" | 2" | 2" | 46,000 | ASTM A500 | __ | 0000000 | |||
| 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 | |||
| 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 | |||
| 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 | |||
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 | |||
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 | |||
| 25 | -0.25 to 0.25 | 25 | -0.25 to 0.25 | 21 | 21 | 0000000 | |||
| 40 | -0.3 to 0.3 | 40 | -0.3 to 0.3 | 36 | 36 | 0000000 | |||
| 55 | -0.35 to 0.35 | 55 | -0.35 to 0.35 | 51 | 51 | 0000000 | |||
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 | |||
Ultra-Strength Carbon Steel (AHSS) Round Tubes
- Yield Strength: 100,000 psi
- Hardness: Rockwell C26 (Hard)
- Heat Treatable: No
The same steel used in automobile bodies, this AHSS (advanced high-strength steel) allows you to fabricate high-strength parts using thinner material than you could with other types of steel. It is formable, weldable, and more economical than alloy steel. It's sometimes called HSLA (high-strength low-alloy) steel.
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.
Internally Threaded Connecting Rods
Designed for use with right-hand threaded rod ends, these rods have right-hand threads on both ends. Use them for remote valve operators, throttle controllers, shifting mechanisms, and virtually any push/pull assembly.
Carbon steel rods without a plating are best for dry environments, since moisture will cause them to rust.
Zinc-plated carbon steel rods resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.
Inch
| Thread Size | Thread Lg. | OD | Each | |
Carbon Steel | ||||
|---|---|---|---|---|
3" O'all Lg. | ||||
| 10-24 | 3/4" | 1/4" | 0000000 | 00000 |
| 1/4"-20 | 1" | 3/8" | 0000000 | 0000 |
| 5/16"-18 | 1 1/4" | 7/16" | 0000000 | 0000 |
| 3/8"-16 | 1 1/4" | 7/16" | 0000000 | 0000 |
| 3/8"-24 | 1 1/4" | 7/16" | 0000000 | 0000 |
| 1/2"-20 | 1 1/4" | 5/8" | 0000000 | 0000 |
6" O'all Lg. | ||||
| 10-24 | 3/4" | 1/4" | 0000000 | 00000 |
| 1/4"-20 | 1" | 3/8" | 0000000 | 00000 |
| 3/8"-24 | 1 1/4" | 7/16" | 0000000 | 00000 |
| 1/2"-20 | 1 1/2" | 5/8" | 0000000 | 00000 |
9" O'all Lg. | ||||
| 10-24 | 3/4" | 1/4" | 0000000 | 00000 |
| 1/4"-20 | 1" | 3/8" | 0000000 | 00000 |
| 3/8"-24 | 1 1/4" | 7/16" | 0000000 | 00000 |
| 1/2"-20 | 1 1/4" | 5/8" | 0000000 | 00000 |
12" O'all Lg. | ||||
| 10-24 | 3/4" | 1/4" | 0000000 | 00000 |
| 1/4"-20 | 1" | 3/8" | 0000000 | 00000 |
| 3/8"-16 | 1 1/4" | 7/16" | 0000000 | 00000 |
| 1/2"-20 | 1 1/2" | 5/8" | 0000000 | 00000 |
| 5/8"-18 | 1 5/8" | 3/4" | 0000000 | 00000 |
18" O'all Lg. | ||||
| 3/8"-24 | 1 1/4" | 7/16" | 0000000 | 00000 |
| 1/2"-20 | 1 1/2" | 5/8" | 0000000 | 00000 |
| 3/4"-16 | 1 3/4" | 7/8" | 0000000 | 00000 |
24" O'all Lg. | ||||
| 3/8"-24 | 1 1/4" | 7/16" | 0000000 | 00000 |
| 1/2"-20 | 1 1/2" | 5/8" | 0000000 | 00000 |
30" O'all Lg. | ||||
| 3/8"-24 | 1 1/4" | 7/16" | 0000000 | 00000 |
| 5/8"-18 | 1 5/8" | 3/4" | 0000000 | 00000 |
36" O'all Lg. | ||||
| 1/2"-20 | 1 1/2" | 5/8" | 0000000 | 00000 |
| 5/8"-18 | 1 5/8" | 3/4" | 0000000 | 00000 |
| Thread Size | Thread Lg. | OD | Each | |
Zinc-Plated Carbon Steel | ||||
|---|---|---|---|---|
3" O'all Lg. | ||||
| 10-32 | 3/4" | 1/4" | 000000 | 000000 |
| 1/4"-28 | 1" | 3/8" | 000000 | 00000 |
| 5/16"-24 | 1 1/4" | 7/16" | 000000 | 00000 |
6" O'all Lg. | ||||
| 10-32 | 3/4" | 1/4" | 0000000 | 00000 |
| 1/4"-28 | 1" | 3/8" | 0000000 | 00000 |
| 5/16"-24 | 1 1/4" | 7/16" | 0000000 | 00000 |
9" O'all Lg. | ||||
| 10-32 | 3/4" | 1/4" | 000000 | 00000 |
| 1/4"-28 | 1" | 3/8" | 000000 | 00000 |
| 5/16"-24 | 1 1/4" | 7/16" | 000000 | 00000 |
12" O'all Lg. | ||||
| 10-32 | 3/4" | 1/4" | 0000000 | 00000 |
| 1/4"-28 | 1" | 3/8" | 0000000 | 00000 |
| 5/16"-24 | 1 1/4" | 7/16" | 0000000 | 00000 |
18" O'all Lg. | ||||
| 1/4"-28 | 1" | 3/8" | 0000000 | 00000 |
| 5/16"-24 | 1 1/4" | 7/16" | 0000000 | 00000 |
24" O'all Lg. | ||||
| 5/16"-24 | 1 1/4" | 7/16" | 0000000 | 00000 |
Metric
| Thread Size | Thread Pitch, mm | Thread Lg., mm | OD, mm | Each | |
Carbon Steel | |||||
|---|---|---|---|---|---|
75 mm O'all Lg. | |||||
| M3 | 0.5 | 12 | 6.3 | 0000000 | 00000 |
| M4 | 0.7 | 12 | 6.3 | 0000000 | 0000 |
| M6 | 1 | 16 | 9.5 | 0000000 | 0000 |
| M8 | 1.25 | 20 | 11 | 0000000 | 0000 |
150 mm O'all Lg. | |||||
| M6 | 1 | 16 | 9.5 | 0000000 | 0000 |
| M8 | 1.25 | 20 | 11 | 0000000 | 0000 |
225 mm O'all Lg. | |||||
| M6 | 1 | 16 | 9.5 | 0000000 | 00000 |
| M8 | 1.25 | 20 | 11 | 0000000 | 00000 |
455 mm O'all Lg. | |||||
| M6 | 1 | 16 | 9.5 | 0000000 | 00000 |
| M12 | 1.75 | 25 | 15.8 | 0000000 | 00000 |
610 mm O'all Lg. | |||||
| M8 | 1.25 | 20 | 11 | 0000000 | 00000 |
Internally Threaded Turnbuckle-Style Connecting Rods
Similar to turnbuckles, these rods have right-hand threads on one end and left-hand threads on the other so you can make a linkage that adjusts for tension. Add right- and left-hand threaded rod ends to build your linkages. Rods have a hex-shaped body so you can adjust them with a wrench.
Carbon steel rods generally handle higher loads than aluminum and stainless steel rods.
Note: The end with the left-hand threads is marked with a groove.
For technical drawings and 3-D models, click on a part number.
Inch
| Thread Size | Thread Lg. | Hex Size | Each | |
Carbon Steel | ||||
|---|---|---|---|---|
2" O'all Lg. | ||||
| 10-32 | 1/2" | 5/16" | 0000000 | 00000 |
| 1/4"-28 | 3/4" | 3/8" | 0000000 | 00000 |
| 5/16"-24 | 3/4" | 1/2" | 0000000 | 00000 |
| 3/8"-24 | 3/4" | 1/2" | 0000000 | 00000 |
| 7/16"-20 | 3/4" | 5/8" | 0000000 | 00000 |
| 1/2"-20 | 3/4" | 5/8" | 0000000 | 00000 |
| 5/8"-18 | 3/4" | 3/4" | 0000000 | 00000 |
| 3/4"-16 | 3/4" | 1" | 0000000 | 00000 |
3" O'all Lg. | ||||
| 1/4"-28 | 3/4" | 3/8" | 0000000 | 00000 |
| 5/16"-24 | 3/4" | 1/2" | 0000000 | 00000 |
| 3/8"-24 | 1" | 1/2" | 0000000 | 00000 |
| 1/2"-20 | 1" | 5/8" | 0000000 | 00000 |
| 5/8"-18 | 1" | 3/4" | 0000000 | 00000 |
| 3/4"-16 | 1" | 1" | 0000000 | 00000 |
4" O'all Lg. | ||||
| 10-32 | 1/2" | 5/16" | 0000000 | 00000 |
| 1/4"-28 | 3/4" | 3/8" | 0000000 | 00000 |
| 5/16"-24 | 3/4" | 1/2" | 0000000 | 00000 |
| 3/8"-24 | 1" | 1/2" | 0000000 | 00000 |
| 7/16"-20 | 1" | 5/8" | 0000000 | 00000 |
| 1/2"-20 | 1" | 5/8" | 0000000 | 00000 |
| 5/8"-18 | 1" | 7/8" | 0000000 | 00000 |
| 3/4"-16 | 1" | 1" | 0000000 | 00000 |
6" O'all Lg. | ||||
| 10-32 | 1/2" | 5/16" | 0000000 | 00000 |
| 1/4"-28 | 3/4" | 3/8" | 0000000 | 00000 |
| 5/16"-24 | 3/4" | 1/2" | 0000000 | 00000 |
| 3/8"-24 | 1" | 1/2" | 0000000 | 00000 |
| 7/16"-20 | 1" | 5/8" | 0000000 | 00000 |
| 1/2"-20 | 1" | 5/8" | 0000000 | 00000 |
| 5/8"-18 | 1" | 7/8" | 0000000 | 00000 |
| 3/4"-16 | 1" | 1" | 0000000 | 00000 |
12" O'all Lg. | ||||
| 1/4"-28 | 3/4" | 3/8" | 0000000 | 00000 |
| 3/8"-24 | 1" | 1/2" | 0000000 | 00000 |
| 7/16"-20 | 1" | 5/8" | 00000000 | 00000 |
| 1/2"-20 | 1" | 5/8" | 00000000 | 00000 |
| 5/8"-18 | 1" | 7/8" | 00000000 | 00000 |
| 3/4"-16 | 1" | 1" | 00000000 | 00000 |
18" O'all Lg. | ||||
| 3/8"-24 | 1" | 1/2" | 00000000 | 00000 |
| 1/2"-20 | 1" | 5/8" | 00000000 | 00000 |
| 5/8"-18 | 1" | 7/8" | 00000000 | 000000 |
Metric
| Thread Size | Thread Pitch, mm | Thread Lg., mm | Hex Size, mm | Each | |
Carbon Steel | |||||
|---|---|---|---|---|---|
50 mm O'all Lg. | |||||
| M5 | 0.8 | 12 | 10 | 0000000 | 00000 |
| M8 | 1.25 | 16 | 12 | 0000000 | 0000 |
| M10 | 1.5 | 16 | 17 | 0000000 | 0000 |
76 mm O'all Lg. | |||||
| M6 | 1 | 16 | 10 | 0000000 | 0000 |
| M8 | 1.25 | 20 | 12 | 0000000 | 00000 |
| M10 | 1.5 | 20 | 17 | 0000000 | 00000 |
| M12 | 1.75 | 20 | 19 | 0000000 | 00000 |
100 mm O'all Lg. | |||||
| M6 | 1 | 16 | 10 | 0000000 | 00000 |
| M8 | 1.25 | 20 | 12 | 0000000 | 00000 |
| M10 | 1.5 | 25 | 17 | 0000000 | 00000 |
| M14 | 2 | 25 | 22 | 0000000 | 00000 |
| M16 | 2 | 25 | 24 | 0000000 | 00000 |
150 mm O'all Lg. | |||||
| M8 | 1.25 | 20 | 12 | 0000000 | 00000 |
| M10 | 1.5 | 25 | 17 | 0000000 | 00000 |
| M12 | 1.75 | 25 | 19 | 0000000 | 00000 |
305 mm O'all Lg. | |||||
| M10 | 1.5 | 25 | 17 | 0000000 | 00000 |