En24 Round Bar
En24 Rod
817M40 Carbon Steel Round Bar
EN24 Steel is a very high strength steel alloy which is supplied hardened and tempered. The EN24 steel also known as 817M40, it is a nickel chromium molybdenum combination – En24 Steel Round Bars offers high tensile steel strength, with good ductility and wear resistance characteristics. With relatively good impact properties at low temperatures, EN24 is also suitable for a variety of elevated temperature applications.
We are EN24 Steel Round Bar manufacturers, stockists, suppliers, and exporters and we are only producing from prime quality billets and blooms. The range of EN24 Bright Round Bars which we manufacture for our buyers are of high quality and these round and square bars are used for making machineries and OEM Auto components. These En24 Hex Bars have been made keeping in mind the quality parameters which have been set by the industry in the market. EN24 Flat Bars & En24 Rods are always supplied with the test certificates and can be supplied in bulk quantity as well as retail quantity as per customers requirements. EN24 alloy Steel round bars are supplied by us to various industries.
| Grade | 817M40 / EN-24 |
|---|---|
| Specification | BS 970:1955 |
| Round Bar Size | Diameter: 3-~800mm |
| Square Bar size | 4 to 100mm |
| Flat Bar Size | Thickness: 2 -100mm |
| Width: 10 to 500mm | |
| Hex Bar Size | 2-100mm A/F |
| Rectangles Size | 33 x 30mm to 295 x 1066mm |
| Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
| Angle Bar Size | 3mm*20mm*20mm~12mm*100mm*100mm |
| Channel Bar | 80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness |
| Section | 3.0 to 12.0mm thickness |
| Billet Size | 1/2″ to 495mm Diameter |
| Finish | Cold (bright) drawn, centreless ground,smooth turned, Rough Turned, Bright, peeled, hot rolled, hot rolled annealed, slit rolled edge, Polish, Grinding, Centreless Ground & Black |
| Tolerance | K9, K10, K11, K12, H8, H9, H10, H11, H12, H13, or as per clients’ requirements |
| Surface | Polished, Bright, Cold Drawn, Hot Rolled Pickled, Sand Blasting Finished, Hairline |
| Condition | Hardened & Tempered, Annealed |
| Technique | en24 Hot Rolled, Cold Rolled, Cold Drawn, Forged Round Bar, Rods |
| Processing | Bar cutting to 650mm |
| Form | en24 Welding Rod, Round, Round Rod, Rings, Hollow, Rod, T-Bar, Channel Bar, Flat Bar, Square, Blocks, Precision Ground Bar, Triangle, Rectangle, Hex (A/F), Threaded, Ingot, I/H Bar, Half Round Bar, Profiles, Billet, Forging etc. |
| En24 / 817M40 Bars and Rods Conforms To NACE MR0175/ISO 15156 | |
| BS 970 1991 | BS 970 1955 EN | AISI/SAE | Werkstoff |
| 817M40 | EN24 | 4340 | 1.6582 |
| C | SI | MN | S | P | Cr | Mo | Ni |
|---|---|---|---|---|---|---|---|
| 0.36/0.44 | 0.10/0.35 | 0.45/0.70 | 0.040 max | 0.035 max | 1.00/1.40 | 0.20/0.35 | 1.30/1.70 |
| Size mm | Tensile Strength N/mm² | Yield Stress N/mm² | Elongation | Impact Izod J | Impact KCV J | Hardness HB |
|---|---|---|---|---|---|---|
| 63 to 150 | 850-1000 | 680 Min | 13% | 54 | 50 | 248/302 |
| 150 to 250 | 850-1000 | 654 Min | 13% | 40 | 35 | 248/302 |
| EN-24 / 817M40 Polished Round Bar | EN-24 / 817M40 T-Bar | EN-24 / 817M40 Square Bar |
| EN-24 / 817M40 Triangle Bar | EN-24 / 817M40 Flat Bar | EN-24 / 817M40 Hex Bar |
| EN-24 / 817M40 Precistion Ground Bar | EN-24 / 817M40 Hollow Bar | EN-24 / 817M40 Round Bar |
| EN-24 / 817M40 Threaded Bar | EN-24 / 817M40 Rods | EN-24 / 817M40 Half Round Bar |
| Type | SIZES (mm) | SIZES (Inches) | ISO Tolerance |
|---|---|---|---|
| Cold Drawn and Polish | 3.00 – 75.00 | 1/8″ – 3.00″ | h8-h9-h10-h11 |
| Cold Drawn and Ground | 10.00 – 75.00 | 5/6″ – 2.50″ | h8-h9-h10-h11 |
| Peeled and Polished | 40.00 – 150.00 | 1.50″ – 6.00″ | h11, h11-DIN 1013 |
| Peeled and Ground | 20.00 – 50.00 | 3/4″ – 2.00″ | h9-h10-h11 |
| Standard lengths of EN24 Bars 2000 mm up to 6000 mm available . Cut to size on request (tolerance +2/-0 mm). | |||
| 5.0 | 45.0 |
| 6.0 | 50.0 |
| 7.0 | 55.0 |
| 8.0 | 60.0 |
| 9.0 | 65.0 |
| 10.0 | 70.0 |
| 12.0 | 75.0 |
| 16.0 | 80.0 |
| 20.0 | 90.0 |
| 25.0 | 100.0 |
| 30.0 | 130.0 |
| 35.0 | 160.0 |
| 40.0 | 200.0 |
| CD | Cold drawn | P | Polished |
|---|---|---|---|
| BD | Bright drawn | SRE | Slit rolled edge |
| CG | Centreless ground | HF | Hot finished |
| CF | Cold finished | HRAP | Hot rolled annealed and pickled |
| P&T | Peeled and turned | RT | Rough turned/peeled |
| ST | Smooth turned | PR | Peeled and reeled |
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