AISI 4140
AISI 4140 also known as EN19 comes treated in the annealed as rolled or even T condition. We can offer AISI 4140 in bar form from stock, rolled and bright drawn. It is renown for its wear resistance and where high strength properties is required. Suitable for gears, shafts, spindles, etc. Frequently used within the gas and oil industry.
| BS 970 1991 | BS 970 1955 EN | AISI/SAE | Werkstoff |
| 708M40 | EN19 | 4140 | 1.7225 |
Popular size ranges shown below, other sizes available upon request.
AISI 4140 Rounds Hot Rolled
| Size (mm) | 40 | 50 | 60 | 70 | 75 | 80 | 85 | 90 | 95 | 100 | 105 | 110 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 115 | 120 | 125 | 130 | 140 | 150 | 160 | 170 | 180 | 190 | 200 | 220 | |
| 240 | 260 | 280 | 300 | 320 | 350 | 400 |
AISI 4140 Rounds Bright Drawn
| Size (inches) | 5/16 | 3/8 | 7/16 | 1/2 | 9/16 | 5/8 | 3/4 | 7/8 | 15/16 | 1 | 1 1/8 | 1 1/4 | 1 3/8 | 1 1/2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 5/8 | 1 3/4 | 2 | 2 1/4 | 2 1/2 | 2 3/4 | 3 | 3 1/2 | 4 | ||||||
| Size (mm) | 10 | 12 | 15 | 16 | 18 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 60 |