We stock AISI 4140 and AISI 4150 steel in a turned ground & polished finish (TGP). Call or Email Us For a Free Quote. Material is quench & tempered, stress relieved, machine straightened, and turned ground & polished. We offer an extensive inventory of hard-to-find sizes in both English and Metric sizes. Length options include (10/12 Ft Random Lengths, 20/24 Ft Random Lengths and Custom Cut-To-Lengths). Alloy 4140 and 4150 are widely used materials as an alternative to carbon steel where strength and fatigue are of concern.
| Typical Mechanical Properties | Available Lengths |
|---|---|
| Brinnell Hardness – 269/341BHN Tensile Strength – 156,000 PSI Yield Strength – 123,500 PSI | 10/13 Ft R/L 20/26 Ft R/L Custom Cut-To-Lengths |
ROUNDS (INCHES) For Metric 4140 & 4150 Sizes Click Here
| 1/4 | 1-3/16 | 2-1/4 | 3-5/16 | 4-1/2 |
| 5/16 | 1-1/4 | 2-5/16 | 3-3/8 | 4-3/4 |
| 3/8 | 1-15/16 | 2-3/8 | 3-7/16 | 4-15/16 |
| 7/16 | 1-3/8 | 2-7/16 | 3-1/2 | 5 |
| 1/2 | 1-7/16 | 2-1/2 | 3-9/16 | 5-1/4 |
| 9/16 | 1-1/2 | 2-9/16 | 3-5/8 | 5-7/16 |
| 5/8 | 1-9/16 | 2-5/8 | 3-11/16 | 5-1/2 |
| 11/16 | 1-5/8 | 2-11/16 | 3-3/4 | 5-5/16 |
| 3/4 | 1-11/16 | 2-3/4 | 3-7/8 | 6 |
| 7/8 | 1-3/4 | 2-7/8 | 3-15/16 | 6-1/2 |
| 15/16 | 1-7/8 | 2-15/16 | 4 | 7 |
| 1 | 1-15/16 | 3 | 4-1/4 | 8 |
| 1-1/16 | 2 | 3-1/16 | 4-3/8 | |
| 1-1/8 | 2-1/16 | 3-1/4 | 4-7/16 |
Request Quote or Call 800-321-8500
For Live Customer SupportPhone: 800.321.8500
