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Yield Strength Yield Strength |
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Maximum Hardness After Heat Treatment Maximum HardnessAfter Heat Treatment |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron
More
Oversized Easy-to-Machine Gray Cast Iron Rods and Discs
- Yield Strength: Not Rated
- Hardness: Rockwell C20 (Hard)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C50
- Specifications Met: ASTM A247
An oversized diameter allows for finishing to your exact requirements. Gray cast iron machines faster with less wear on cutting tools than most types of steel. It also absorbs vibration, so finished parts run quieter than those made of steel. It's often used for gears, pulleys, rollers, and bushings.
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 ACTIVITY after your order ships.
| Dia. | Dia. Tolerance | 1 ft. Lg. | 3 ft. Lg. | |
| 1 1/4" | 0.068" to 0.102" | 0000000 | ||
| 1 1/2" | 0.066" to 0.114" | 0000000 | ||
| 1 3/4" | 0.066" to 0.114" | 0000000 | ||
| 2" | 0.066" to 0.114" | 0000000 | ||
| 2 1/4" | 0.08" to 0.14" | 0000000 | ||
| 2 1/2" | 0.08" to 0.14" | 0000000 | ||
| 2 3/4" | 0.08" to 0.14" | 0000000 | ||
| 3" | 0.08" to 0.14" | 0000000 | ||
| 3 1/4" | 0.087" to 0.163" | 0000000 | ||
| 3 1/2" | 0.087" to 0.163" | 0000000 | ||
| 3 3/4" | 0.087" to 0.163" | 0000000 | ||
| 4" | 0.087" to 0.163" | 0000000 | ||
| 4 1/2" | 0.092" to 0.188" | 0000000 | ||
| 5" | 0.092" to 0.188" | 0000000 | ||
| 5 1/2" | 0.1" to 0.21" | 0000000 | ||
| 6" | 0.1" to 0.21" | 0000000 | ||
| 6 1/2" | 0.108" to 0.232" | 0000000 | ||
| 7" | 0.108" to 0.232" | 0000000 | ||
| 7 1/2" | 0.105" to 0.275" | 0000000 | ||
| 8" | 0.105" to 0.275" | 0000000 | ||
| 8 1/2" | 0.108" to 0.324" | 0000000 | ||
| 9" | 0.108" to 0.324" | 0000000 | ||
| 9 1/2" | 0.125" to 0.383" | 0000000 | ||
| 10" | 0.125" to 0.383" | 0000000 | ||
| 12" | 0.376" to 0.788" | 0000000 |
| Dia. | Dia. Tolerance | Each | |
3/4" Lg. | |||
|---|---|---|---|
| 8" | 0.105" to 0.275" | 0000000 | 000000 |
| 9" | 0.108" to 0.324" | 0000000 | 00000 |
| 10" | 0.125" to 0.383" | 0000000 | 00000 |
| 12" | 0.376" to 0.788" | 0000000 | 00000 |
1 1/4" Lg. | |||
| 8" | 0.105" to 0.275" | 0000000 | 00000 |
| 9" | 0.108" to 0.324" | 0000000 | 00000 |
| 10" | 0.125" to 0.383" | 0000000 | 00000 |
| 12" | 0.376" to 0.788" | 0000000 | 00000 |
1 3/4" Lg. | |||
| 8" | 0.105" to 0.275" | 0000000 | 00000 |
| 9" | 0.108" to 0.324" | 0000000 | 00000 |
| 10" | 0.125" to 0.383" | 0000000 | 00000 |
| 12" | 0.376" to 0.788" | 0000000 | 000000 |
2 1/4" Lg. | |||
| 8" | 0.105" to 0.275" | 0000000 | 00000 |
| 9" | 0.108" to 0.324" | 0000000 | 00000 |
| 10" | 0.125" to 0.383" | 0000000 | 000000 |
| 12" | 0.376" to 0.788" | 0000000 | 000000 |
3 1/4" Lg. | |||
| 8" | 0.105" to 0.275" | 0000000 | 00000 |
| 9" | 0.108" to 0.324" | 0000000 | 00000 |
| 10" | 0.125" to 0.383" | 0000000 | 000000 |
| 12" | 0.376" to 0.788" | 0000000 | 000000 |
Oversized Tight-Tolerance Easy-to-Machine Gray Cast Iron Rods
- Yield Strength: Not Rated
- Hardness: Rockwell C20 (Hard)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C50
- Specifications Met: ASTM A247
Precision ground to a tight diameter tolerance, these rods are ready for turning in your lathe. Gray cast iron machines faster with less wear on cutting tools than most types of steel. It also absorbs vibration, so finished parts run quieter than those made of steel. It's often used for gears, pulleys, rollers, and bushings.
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 ACTIVITY after your order ships.
Easy-to-Machine Gray Cast Iron Sheets and Bars
- Yield Strength: Not Rated
- Hardness: Rockwell C20 (Hard)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C50
- Specifications Met: ASTM A247
Gray cast iron machines faster with less wear on cutting tools than most types of steel. It also absorbs vibration, so finished parts run quieter than those made of steel. It's often fabricated into gears, pulleys, and bushings.
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 ACTIVITY after your order ships.
| Wd. | Straightness Tolerance | 1 ft. Lg. | 2 ft. Lg. | |
3/8" Thick. | ||||
|---|---|---|---|---|
| 2 1/8" | 1/8" per 6 ft. | 0000000 | ||
| 3 1/8" | 1/8" per 6 ft. | 0000000 | ||
| 4 1/8" | 1/8" per 6 ft. | 0000000 | ||
| 5 1/8" | 1/8" per 6 ft. | 0000000 | ||
| 6 1/8" | 1/8" per 6 ft. | 0000000 | ||
| 8 1/8" | 1/8" per 6 ft. | 0000000 | ||
1/2" Thick. | ||||
| 2 1/8" | 1/8" per 6 ft. | 0000000 | ||
| 3 1/8" | 1/8" per 6 ft. | 0000000 | ||
| 4 1/8" | 1/8" per 6 ft. | 0000000 | ||
| 5 1/8" | 1/8" per 6 ft. | 0000000 | ||
| 10 1/4" | 1/8" per 6 ft. | 0000000 | ||
5/8" Thick. | ||||
| 3 1/8" | 1/8" per 6 ft. | 0000000 | ||
| 4 1/8" | 1/8" per 6 ft. | 0000000 | ||
| 5 1/8" | 1/8" per 6 ft. | 0000000 | ||
| 6 1/8" | 1/8" per 6 ft. | 0000000 | ||
| 8 1/8" | 1/8" per 6 ft. | 0000000 | ||
3/4" Thick. | ||||
| 5 1/8" | 1/8" per 6 ft. | 0000000 | ||
| 6 1/8" | 1/8" per 6 ft. | 0000000 | ||
| 10 1/4" | 1/8" per 6 ft. | 0000000 | ||
7/8" Thick. | ||||
| 5 1/8" | 1/8" per 6 ft. | 0000000 | ||
| 6 1/8" | 1/8" per 6 ft. | 0000000 | ||
1 1/8" Thick. | ||||
| 1 1/8" | 1/8" per 6 ft. | 0000000 | ||
| 1 5/8" | 1/8" per 6 ft. | 0000000 | ||
| 2 5/8" | 1/8" per 6 ft. | 0000000 | ||
| 3 5/8" | 1/8" per 6 ft. | 0000000 | ||
| 8 1/8" | 1/8" per 6 ft. | 0000000 | ||
1 1/4" Thick. | ||||
| 2 1/4" | 1/8" per 6 ft. | 0000000 | ||
| 3 1/4" | 1/8" per 6 ft. | 0000000 | ||
| 4 1/4" | 1/8" per 6 ft. | 0000000 | ||
| 5 1/4" | 1/8" per 6 ft. | 0000000 | ||
| 6 1/4" | 1/8" per 6 ft. | 0000000 | ||
| 10 1/4" | 1/8" per 6 ft. | 0000000 | ||
| 12 1/4" | 1/8" per 6 ft. | 0000000 | ||
| Wd. | Straightness Tolerance | 1 ft. Lg. | 2 ft. Lg. | |
1 1/2" Thick. | ||||
|---|---|---|---|---|
| 4 1/4" | 1/8" per 6 ft. | 0000000 | ||
1 5/8" Thick. | ||||
| 1 5/8" | 1/8" per 6 ft. | 0000000 | ||
| 2 1/8" | 1/8" per 6 ft. | 0000000 | ||
| 2 5/8" | 1/8" per 6 ft. | 0000000 | ||
| 3 1/8" | 1/8" per 6 ft. | 0000000 | ||
1 3/4" Thick. | ||||
| 12 1/4" | 1/8" per 6 ft. | 0000000 | ||
2 1/8" Thick. | ||||
| 2 5/8" | 1/8" per 6 ft. | 0000000 | ||
| 8 1/8" | 1/8" per 6 ft. | 0000000 | ||
2 1/4" Thick. | ||||
| 2 1/4" | 1/8" per 6 ft. | 0000000 | ||
| 3 1/4" | 1/8" per 6 ft. | 0000000 | ||
| 4 1/4" | 1/8" per 6 ft. | 0000000 | ||
| 5 1/4" | 1/8" per 6 ft. | 0000000 | ||
| 6 1/4" | 1/8" per 6 ft. | 0000000 | ||
| 12 1/4" | 1/8" per 6 ft. | 0000000 | ||
2 5/8" Thick. | ||||
| 2 5/8" | 1/8" per 6 ft. | 0000000 | ||
| 3 1/8" | 1/8" per 6 ft. | 0000000 | ||
| 6 1/8" | 1/8" per 6 ft. | 0000000 | ||
| 8 1/8" | 1/8" per 6 ft. | 0000000 | ||
2 3/4" Thick. | ||||
| 12 1/4" | 1/8" per 6 ft. | 0000000 | ||
Easy-to-Machine Gray Cast Iron Tubes
- Yield Strength: Not Rated
- Hardness: Rockwell C20 (Hard)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C50
- Specifications Met: ASTM A247
Gray cast iron machines faster with less wear on cutting tools than most types of steel. It also absorbs vibration, so finished parts run quieter than those made of steel. It's often fabricated into gears, pulleys, rollers, and bushings.
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 ACTIVITY after your order ships.
16" Lg. | |||||
|---|---|---|---|---|---|
| OD | OD Tolerance | ID | ID Tolerance | Each | |
1" Wall Thick. (Oversized) | |||||
| 3 1/2" | 0.087" to 0.163" | 1 1/2" | -0.25" to 0" | 0000000 | 0000000 |
| 4" | 0.087" to 0.163" | 2" | -0.25" to 0" | 0000000 | 000000 |
| 4 1/2" | 0.092" to 0.188" | 2 1/2" | -0.25" to 0" | 0000000 | 000000 |
| 5" | 0.092" to 0.188" | 3" | -0.25" to 0" | 0000000 | 000000 |
| 5 1/2" | 0.1" to 0.21" | 3 1/2" | -0.25" to 0" | 0000000 | 000000 |
| 6" | 0.1" to 0.21" | 4" | -0.25" to 0" | 0000000 | 000000 |
| 6 1/2" | 0.108" to 0.232" | 4 1/2" | -0.25" to 0" | 0000000 | 000000 |
| 8" | 0.105" to 0.232" | 6" | -0.25" to 0" | 0000000 | 000000 |
| 9" | 0.108" to 0.324" | 7" | -0.25" to 0" | 0000000 | 000000 |
1 1/2" Wall Thick. (Oversized) | |||||
| 6" | 0.1" to 0.21" | 3" | -0.25" to 0" | 0000000 | 000000 |
| 7" | 0.108" to 0.232" | 4" | -0.25" to 0" | 0000000 | 000000 |
Impact-Resistant Ductile Cast Iron Rods and Discs
- Yield Strength: 55,000 psi
- Hardness: Rockwell C20 (Hard)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C60
- Specifications Met: ASTM A536
Ductile cast iron is strong, resilient, and able to handle repeated stress without breaking. It also absorbs vibration, so finished parts run quieter than those made of 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 ACTIVITY after your order ships.
| Dia. | Dia. Tolerance | 1/2 ft. Lg. | 1 ft. Lg. | 2 ft. Lg. | |
| 2" | 0.066" to 0.114" | 000000000 | |||
| 2 1/2" | 0.083" to 0.143" | 000000000 | |||
| 3" | 0.083" to 0.143" | 000000000 | |||
| 3 1/4" | 0.093" to 0.169" | 000000000 | |||
| 3 1/2" | 0.093" to 0.169" | 000000000 | |||
| 3 3/4" | 0.093" to 0.169" | 000000000 | |||
| 4" | 0.093" to 0.169" | 000000000 | |||
| 4 1/2" | 0.101" to 0.197" | 000000000 | |||
| 4 3/4" | 0.101" to 0.197" | 000000000 | |||
| 5" | 0.101" to 0.197" | 000000000 | |||
| 5 1/2" | 0.107" to 0.217" | 000000000 | |||
| 6" | 0.107" to 0.217" | 000000000 | |||
| 6 1/2" | 0.118" to 0.242" | 000000000 | |||
| 7" | 0.118" to 0.242" | 000000000 | |||
| 7 1/2" | 0.118" to 0.288" | 000000000 | |||
| 8" | 0.118" to 0.288" | 000000000 | |||
| 10" | 0.144" to 0.402" | 000000000 | |||
| 12" | 0.402" to 0.814" | 000000000 |
1/2" Lg. | 1" Lg. | 1 1/2" Lg. | 2" Lg. | 3" Lg. | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Dia. Tolerance | Each | Each | Each | Each | Each | |||||
| 6" | 0.107" to 0.217" | 0000000 | 000000 | 0000000 | 000000 | 0000000 | 000000 | 0000000 | 000000 | 0000000 | 000000 |
| 7" | 0.118" to 0.242" | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 00000 |
| 8" | 0.118" to 0.288" | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 00000 |
Impact-Resistant Ductile Cast Iron Bars
- Yield Strength: 55,000psi
- Hardness: Rockwell C20 (Hard)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C60
- Specifications Met: ASTM A536
Ductile cast iron is strong, resilient, and able to handle repeated stress without breaking. It also absorbs vibration, so finished parts run quieter than those made of 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 ACTIVITY after your order ships.
Easy-to-Machine Impact-Resistant Ductile Cast Iron Bars
- Yield Strength: 45,000 psi
- Hardness: Rockwell C10 (Medium)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C50
- Specifications Met: ASTM A536
Easier to machine without cracking than other impact-resistant ductile cast iron bars, these cast iron bars contain a high amount of ferrite. Use them to make cylinder and die blocks, rotary tables, and rail spacers. These bars are also known as 65-45-12 ductile iron bars. All conduct electricity. They will become magnetic if exposed to a magnetic field. They’re often used to replace low and medium carbon steel bars.
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 ACTIVITY after your order ships.
| Width | 1 ft. Lg. | 2 ft. Lg. | |
2 1/4" Thick. (0" to 0.25" Tolerance) | |||
|---|---|---|---|
| 4 1/4" | 0000000 | ||
3 1/4" Thick. (0" to 0.25" Tolerance) | |||
| 3 1/4" | 0000000 | ||
| 4 1/4" | 00000000 | ||
4 1/4" Thick. (0" to 0.25" Tolerance) | |||
| 4 1/4" | 00000000 | ||
| 6 1/4" | 00000000 | ||
5 1/4" Thick. (0" to 0.25" Tolerance) | |||
| 5 1/4" | 00000000 | ||
| 6 1/4" | 00000000 | ||
| 8 1/4" | 00000000 | ||
6 1/4" Thick. (0" to 0.25" Tolerance) | |||
| 6 1/4" | 00000000 | ||
| 7 1/4" | 00000000 | ||
Easy-to-Machine Impact-Resistant Ductile Cast Iron Rods
- Yield Strength: 45,000 psi
- Hardness: Rockwell C10 (Medium)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C50
- Specifications Met: ASTM A536
With a high amount of ferrite, these cast iron rods are easier to machine without cracking than other impact-resistant ductile cast iron rods. Use them to create bushings, gears, pulleys, and pistons. These rods are also known as 65-45-12 ductile iron rods. All conduct electricity. They will become magnetic if exposed to a magnetic field. They’re often used to replace low and medium carbon steel rods.
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 ACTIVITY after your order ships.