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About Steel
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
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 | |
Impact-Resistant Ultra-Machinable Ductile Iron Rods
Long Rods
Dia. | Dia. Tolerance | Fabrication | Yield Strength, psi | Hardness | Max. Hardness After Heat Treatment | Specs. Met | 1/2 ft. Long | 1 ft. Long | 2 ft. Long | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2" | 0.066" to 0.114" | Cast | 45,000 | Rockwell C10 (Medium) | Rockwell C50 | ASTM A536 | 8125N13 | 000000 | 000000 | 0000000 | |
| 2 1/4" | 0.083" to 0.143" | Cast | 45,000 | Rockwell C10 (Medium) | Rockwell C50 | ASTM A536 | 8125N14 | 00000 | 00000 | 000000 | |
| 2 3/4" | 0.083" to 0.143" | Cast | 45,000 | Rockwell C10 (Medium) | Rockwell C50 | ASTM A536 | 8125N16 | 00000 | 000000 | 000000 | |
| 3" | 0.083" to 0.143" | Cast | 45,000 | Rockwell C10 (Medium) | Rockwell C50 | ASTM A536 | 8125N17 | 00000 | 000000 | 000000 | |
| 3 1/4" | 0.093" to 0.169" | Cast | 45,000 | Rockwell C10 (Medium) | Rockwell C50 | ASTM A536 | 8125N134 | 00000 | — | — | |
| 3 1/2" | 0.093" to 0.169" | Cast | 45,000 | Rockwell C10 (Medium) | Rockwell C50 | ASTM A536 | 8125N137 | 00000 | — | — |
Impact-Resistant Ultra-Machinable Ductile Iron Bars
Wd. | Fabrication | Yield Strength, psi | Hardness | Max. Hardness After Heat Treatment | Specs. Met | 1 ft. Long | 2 ft. Long | |||
|---|---|---|---|---|---|---|---|---|---|---|
2 1/4" Thick (0" to 0.25" Tolerance) | ||||||||||
| 4 1/4" | Cast | 45,000 | Rockwell C10 (Medium) | Rockwell C50 | ASTM A536 | 7530N11 | 0000000 | 0000000 | ||
3 1/4" Thick (0" to 0.25" Tolerance) | ||||||||||
| 3 1/4" | Cast | 45,000 | Rockwell C10 (Medium) | Rockwell C50 | ASTM A536 | 7530N12 | 000000 | 000000 | ||
| 4 1/4" | Cast | 45,000 | Rockwell C10 (Medium) | Rockwell C50 | ASTM A536 | 7530N115 | 000000 | — | ||
4 1/4" Thick (0" to 0.25" Tolerance) | ||||||||||
| 4 1/4" | Cast | 45,000 | Rockwell C10 (Medium) | Rockwell C50 | ASTM A536 | 7530N116 | 000000 | — | ||
5 1/4" Thick (0" to 0.25" Tolerance) | ||||||||||
| 5 1/4" | Cast | 45,000 | Rockwell C10 (Medium) | Rockwell C50 | ASTM A536 | 7530N118 | 000000 | — | ||
6 1/4" Thick (0" to 0.25" Tolerance) | ||||||||||
| 6 1/4" | Cast | 45,000 | Rockwell C10 (Medium) | Rockwell C50 | ASTM A536 | 7530N122 | 000000 | — | ||
Ultra-Machinable Gray Iron Round Tubes
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 | ||
Ultra-Machinable Gray Iron Sheets
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 | ||































