4140 Cold Finished & Annealed (Rc 19/24) Bar Stock
We stock AISI 4140 steel in squares, flats and hexagons. Call or Email Us for a Free Quote. All material is provided in a cold finished & annealed condition. We offer an extensive inventory of hard-to-find sizes and lengths including (10/12 Ft Random Lengths, 20/24 Ft Random Lengths and Custom Cut-To-Length options). We carry the largest selection of Alloy 4140 bar stock in North America in one location. Alloy 4140 is widely used for general purpose machine applications.
| 3/8 | 7/8 | 1-1/4 | 2 | 3-1/2 |
| 1/2 | 15/16 | 1-3/8 | 2-1/4 | 4 |
| 5/8 | 1 | 1-1/2 | 2-1/2 | |
| 3/4 | 1-1/8 | 1-3/4 | 2-1/2 |
| 1/4 x 1 | 1/2 x 3 | 1 x 1-1/2 | 1-1/4 x 4 |
| 1/4 x 1-1/2 | 1/2 x 3-1/2 | 1 x 1-3/4 | 1-1/4 x 5 |
| 1/4 x 2 | 1/2 x 4 | 1 x 2 | 1-1/2 x 2 |
| 1/4 x 2-1/2 | 1/2 x 5 | 1 x 2-1/2 | 1-1/2 x 2-1/2 |
| 1/4 x 3 | 1/2 x 6 | 1 x 3 | 1-1/2 x 3 |
| 3/8 x 1 | 5/8 x 2 | 1 x 3-1/2 | 1-1/2 x 3-1/2 |
| 3/8 x 1-1/2 | 5/8 x 3 | 1 x 4 | 1-1/2 x 4 |
| 3/8 x 2 | 3/4 x 1 | 1 x 5 | 1-1/2 x 5 |
| 3/8 x 2-1/2 | 3/4 x 1-1/2 | 1 x 6 | 1-1/2 x 6 |
| 3/8 x 3 | 3/4 x 2 | 1 x 7 | 2 x 3 |
| 3/8 x 4 | 3/4 x 2-1/2 | 1 x 8 | 2 x 4 |
| 3/8 x 6 | 3/4 x 3 | 1-1/4 x 1-1/2 | 2 x 5 |
| 1/2 x 3/4 | 3/4 x 3-1/2 | 1-1/4 x 2 | 2 x 6 |
| 1/2 x 1-1/4 | 1/2 x 1 | 3/4 x 4 | 1-1/4 x 2-1/4 |
| 1/2 x 1-1/2 | 3/4 x 6 | 1-1/4 x 2-1/2 | |
| 1/2 x 2 | 3/4 x 7 | 1-1/4 x 3 | |
| 1/2 x 2-1/2 | 1 x 1-1/4 | 1-1/4 x 3-1/2 |
| 3/16 | ¾ | 1 | 1-1/2 | 2-1/4 | 3 |
| ½ | 13/16 | 1-1/8 | 1-3/4 | 2-3/8 | 3-1/2 |
| 9/16 | 7/8 | 1-1/4 | 1-15/16 | 2-1/2 | 4 |
| 5/8 | 15/16 | 1-3/8 | 2 | 2-5/8 |
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