Engineering Steel Bar
Black High Tensile Alloy Steel En24 Annealed BS EN 10083-1
Description:
EN24 Annealed also known as 817M40 Annealed is supplied in the softened condition and can be hardened and tempered to a wide range of strengths after machining. EN24 annealed is suitable for a wide range of applications once machined and treated where high strength, shock resistance and wear resistance are important.
As a medium carbon steel with alloying elements of Nickel, Chromium and Molybdenum,
En24 Annealed is not ideally suitable for welding.
Normally specified for a wide range of applications including gears, shafts, axles, studs and machine parts.Colour Code
| Steel Number | Steel Name | Grade | AISI/SAE | BS 970 1983 |
|---|---|---|---|---|
| 1.6565 | 40CrNiMo6 | En24 | 4340 | 817M40 |
| C | Si | Mn | S | P | Cr | Mo | Ni |
|---|---|---|---|---|---|---|---|
| .36/.44 | .10/.35 | .45/.70 | .04max | .035max | 1.0/1.4 | .20/.35 | 1.3/1.7 |
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| Rounds | Rounds | Rounds | Rounds |
| (mm) | (mm) | (mm) | (mm) |
| 50.00 | 90.00 | 130.00 | 200.00 |
| 57.00 | 95.00 | 140.00 | |
| 60.00 | 100.00 | 150.00 | |
| 65.00 | 105.00 | 160.00 | |
| 70.00 | 110.00 | 165.00 | |
| 75.00 | 115.00 | 170.00 | |
| 80.00 | 120.00 | 180.00 | |
| 85.00 | 125.00 | 190.00 |
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|---|---|---|---|
| Flats | Flats | Flats | Flats |
| (mm) | (mm) | (mm) | (mm) |
| 25 x 10 | 50 x 20 | 75 x 20 | 125 x 50 |
| 25 x 15 | 50 x 25 | 75 x 30 | 150 x 25 |
| 30 x 15 | 50 x 30 | 75 x 40 | 150 x 50 |
| 40 x 10 | 50 x 40 | 100 x 15 | |
| 40 x 15 | 60 x 25 | 100 x 25 | |
| 40 x 25 | 60 x 30 | 100 x 40 | |
| 50 x 10 | 60 x 40 | 100 x 50 | |
| 50 x 15 | 60 x 50 | 125 x 25 |
For further technical information or additional sizes on this product or any other product or service please contact us.
Disclaimer
All data provided is for information and guidance only. Information above is not for design purposes and comes without warranty or guarantee with respect to the subject matter or fitness for purpose.