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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.
Ultra-Machinable Gray Iron Rods
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. An oversized diameter allows for finishing to your exact requirements. It's often used for gears, pulleys, rollers, and bushings.
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Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Long Rods
 |
Dia. | Dia. Tolerance | Fabrication | Yield Strength | Hardness | Max. Hardness After Heat Treatment | Specs. Met | 1 ft. Long | 3 ft. Long | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 1/4" | 0.068" to 0.102" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8909K78 | 000000 | 000000 | |
| 1 1/2" | 0.066" to 0.114" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8909K18 | 00000 | 00000 | |
| 1 3/4" | 0.066" to 0.114" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8909K79 | 00000 | 00000 | |
| 2" | 0.066" to 0.114" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8909K19 | 00000 | 000000 | |
| 2 1/4" | 0.08" to 0.14" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8909K51 | 00000 | 000000 | |
| 2 1/2" | 0.08" to 0.14" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8909K53 | 00000 | 000000 | |
| 2 3/4" | 0.08" to 0.14" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8909K88 | 00000 | 000000 | |
| 3" | 0.08" to 0.14" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8909K54 | 00000 | 000000 | |
| 3 1/4" | 0.087" to 0.163" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8909K82 | 00000 | 000000 | |
| 3 1/2" | 0.087" to 0.163" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8909K56 | 000000 | 000000 | |
| 3 3/4" | 0.087" to 0.163" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8909K87 | 000000 | 000000 | |
| 4" | 0.087" to 0.163" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8909K84 | 000000 | 000000 | |
| 4 1/2" | 0.092" to 0.188" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8909K57 | 000000 | 000000 | |
| 5" | 0.092" to 0.188" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8909K58 | 000000 | 000000 | |
| 5 1/2" | 0.1" to 0.21" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8909K85 | 000000 | 000000 | |
| 6" | 0.1" to 0.21" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8909K61 | 000000 | 000000 | |
| 6 1/2" | 0.108" to 0.232" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8909K86 | 000000 | 000000 | |
| 7" | 0.108" to 0.232" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8909K45 | 000000 | — | |
| 7 1/2" | 0.105" to 0.275" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8909K46 | 000000 | — | |
| 8" | 0.105" to 0.275" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8909K47 | 000000 | — | |
| 8 1/2" | 0.108" to 0.324" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8909K48 | 000000 | — | |
| 9" | 0.108" to 0.324" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8909K91 | 000000 | — | |
| 9 1/2" | 0.125" to 0.383" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8909K92 | 000000 | — | |
| 10" | 0.125" to 0.383" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8909K73 | 000000 | — | |
| 12" | 0.376" to 0.788" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8909K75 | 000000 | — |
Short Rods and Discs
|
3/4" Long | 1 1/4" Long | 1 3/4" Long | 2 1/4" Long | 3 1/4" Long | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dia. | Dia. Tolerance | Fabrication | Yield Strength | Hardness | Max. Hardness After Heat Treatment | Specs. Met | Each | Each | Each | Each | Each | ||||||
| 8" | 0.105" to 0.275" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8926K44 | 000000 | 8926K32 | 000000 | 8926K36 | 000000 | 8926K38 | 000000 | 8926K84 | 0000000 | |
| 9" | 0.108" to 0.324" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8926K45 | 00000 | 8926K33 | 00000 | 8926K14 | 00000 | 8926K26 | 000000 | 8926K85 | 000000 | |
| 10" | 0.125" to 0.383" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8926K46 | 00000 | 8926K34 | 00000 | 8926K15 | 000000 | 8926K27 | 000000 | 8926K86 | 000000 | |
| 12" | 0.376" to 0.788" | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8926K47 | 00000 | 8926K35 | 000000 | 8926K17 | 000000 | 8926K28 | 000000 | 8926K87 | 000000 | |
Ultra-Machinable Gray Iron Sheets
 |
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.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Wd. | Lg., ft. | Fabrication | Yield Strength | Hardness | Max. Hardness After Heat Treatment | Specs. Met | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|
3/8" Thick (0" to 0.125" Tolerance) | ||||||||||
| 2 1/8" | 1 | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8928K711 | 000000 | ||
| 2 1/8" | 2 | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8928K15 | 000000 | ||
| 3 1/8" | 1 | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8928K721 | 00000 | ||
| 3 1/8" | 2 | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8928K17 | 000000 | ||
1/2" Thick (0" to 0.125" Tolerance) | ||||||||||
| 2 1/8" | 1 | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8928K761 | 00000 | ||
| 2 1/8" | 2 | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8928K28 | 000000 | ||
1 1/4" Thick | ||||||||||
| 2 1/4" | 1 | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8923K771 | 00000 | ||
| 2 1/4" | 2 | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8923K772 | 000000 | ||
| 6 1/4" | 1 | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8923K811 | 000000 | ||
| 6 1/4" | 2 | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8923K812 | 000000 | ||
2 5/8" Thick (0" to 0.125" Tolerance) | ||||||||||
| 2 5/8" | 1 | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8923K321 | 000000 | ||
| 2 5/8" | 2 | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8923K322 | 000000 | ||
| 3 1/8" | 1 | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8923K331 | 000000 | ||
| 3 1/8" | 2 | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8923K332 | 000000 | ||
| 6 1/8" | 1 | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8923K351 | 000000 | ||
| 6 1/8" | 2 | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8923K352 | 000000 | ||
| 8 1/8" | 1 | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8923K361 | 000000 | ||
| 8 1/8" | 2 | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8923K362 | 000000 | ||
2 3/4" Thick (0" to 0.125" Tolerance) | ||||||||||
| 12 1/4" | 1 | Cast | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8925K37 | 000000 | ||
Ultra-Machinable Gray Iron Round Tubes
 |
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. This iron can be surface hardened with heat treating for added wear resistance.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
6" Long | 16" Long | 36" Long | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
OD | ID | Fabrication | Heat Treatable | Yield Strength | Hardness | Max. Hardness After Heat Treatment | Specs. Met | Each | Each | Each | |||||
1/2" Thick Wall | |||||||||||||||
| 2 1/2" | 1 1/2" | Cast | Yes | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | ——— | 0 | 8929K111 | 0000000 | ——— | 0 | ||
| 3" | 2" | Cast | Yes | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | ——— | 0 | 8929K112 | 000000 | ——— | 0 | ||
| 4" | 3" | Cast | Yes | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | ——— | 0 | 8929K113 | 000000 | ——— | 0 | ||
1" Thick Wall | |||||||||||||||
| 3 1/2" | 1 1/2" | Cast | Yes | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8929K114 | 000000 | 8929K12 | 000000 | 8929K115 | 0000000 | ||
| 4" | 2" | Cast | Yes | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | 8929K116 | 00000 | 8929K14 | 000000 | 8929K117 | 000000 | ||
| 4 1/2" | 2 1/2" | Cast | Yes | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | ——— | 0 | 8929K16 | 000000 | ——— | 0 | ||
| 5" | 3" | Cast | Yes | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | ——— | 0 | 8929K18 | 000000 | ——— | 0 | ||
| 5 1/2" | 3 1/2" | Cast | Yes | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | ——— | 0 | 8929K21 | 000000 | ——— | 0 | ||
| 6" | 4" | Cast | Yes | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | ——— | 0 | 8929K23 | 000000 | ——— | 0 | ||
| 6 1/2" | 4 1/2" | Cast | Yes | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | ——— | 0 | 8929K31 | 000000 | ——— | 0 | ||
| 8" | 6" | Cast | Yes | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | ——— | 0 | 8929K32 | 000000 | ——— | 0 | ||
| 9" | 7" | Cast | Yes | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | ——— | 0 | 8929K33 | 000000 | ——— | 0 | ||
1 1/2" Thick Wall | |||||||||||||||
| 6" | 3" | Cast | Yes | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | ——— | 0 | 8929K22 | 000000 | ——— | 0 | ||
| 7" | 4" | Cast | Yes | Not Rated | Rockwell C20 (Hard) | Rockwell C50 | ASTM A247 | ——— | 0 | 8929K27 | 000000 | ——— | 0 | ||
