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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.
| 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 | ||
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 | ||
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.
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