Engineering Steel Bar
Medium Carbon Steel Bar En8 BS EN 10083-2
Description:
EN8 / 080M40 is a medium carbon, medium tensile steel. This grade offers greater strength,toughness and wear resistance than mild steel.
Welding of EN8 is possible with advice from a competent welding consumables professional but welding is not recommended for through hardened, flame or induction hardened material.
Machinability is good and forming in the annealed condition is readily accomplished. Used for shafts, couplings, pins, rolls, spindles, torsion bars, gears, axles, cold headed parts etc.
Colour Code
| Steel Number | Steel Name | Grade | AISI/SAE | BS 970 1983 |
|---|---|---|---|---|
| 1.0511 | C40 | En8 | 1040 | 080M40 |
| Chemical | C | Mn | Si | P | S |
|---|---|---|---|---|---|
| % | 0.37 - 0.44 | 0.6 - 0.9 | 0.05 - 0.35 | .06 max | .05 max |
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| Rounds | Rounds | Rounds | Rounds | Rounds | Rounds | Rounds | Rounds | Rounds |
| (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) |
| 5 | 25 | 50 | 85 | 140 | 3⁄8 | 11⁄8 | 21⁄2 | 8 |
| 10 | 30 | 55 | 90 | 150 | 9⁄16 | 11⁄4 | 23⁄4 | |
| 12 | 32 | 60 | 100 | 5⁄8 | 11⁄2 | 3 | ||
| 16 | 35 | 65 | 110 | 3⁄4 | 13⁄4 | 31⁄2 | ||
| 20 | 40 | 70 | 120 | 7⁄8 | 2 | 4 | ||
| 22 | 45 | 80 | 130 | 1 | 21⁄4 | 5 |
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| Rounds | Rounds | Rounds | Rounds | Rounds | Rounds | Rounds | Rounds | Rounds |
| (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) |
| 45 | 75 | 105 | 135 | 165 | 200 | 260 | 350 | 450 |
| 50 | 80 | 110 | 140 | 170 | 210 | 270 | 370 | 480 |
| 55 | 85 | 115 | 145 | 175 | 220 | 280 | 380 | |
| 60 | 90 | 120 | 150 | 180 | 230 | 290 | 390 | |
| 65 | 95 | 125 | 155 | 185 | 240 | 300 | 410 | |
| 70 | 100 | 130 | 160 | 190 | 250 | 310 | 430 |
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