EN8 Round Bar
EN8 Rod
En8d Carbon Steel Round Bar
EN8 Round Bar and Rod is a medium carbon steel round bar that offers greater strength and hardness as compared to the low carbon grades. Formability and weldability of EN 8 / 8D is fair when using accepted shop practices. While machinability is good, this grade responds very well to forging and heat treating. Standard Sizes of EN8 Bars for Rounds from 23.5 mm to 300 mm, Bright Bars from 18 mm to 63.5 mm, Flats from 50 mm x 8mm to 150mm x 25mm, Squares from 22 mm to 75 mm, RCS: 55mm, 63 mm, and 75 mm, Hexagons from 23.5 mm to 38 mm.
Creative Piping Solutions Private Limited is manufacturing, stocking, and supplying a wide range of round bars and rods as per the requirements of clients. We product best quality Carbon Steel Bright Bars and Rods in varied shapes and sizes so that we can fulfil all the needs and desires of industries. We manufacture our EN 8 Hex and Flat Bars keeping in mind the quality parameters and requirement set by the industry. These Square Bars are known best for their excellent features and quality.
EN8 Engineering Steel, also know as 080M40, is an unalloyed medium carbon steel. EN8 is a medium strength steel with good tensile strength. Typical Applications of EN8D Bars & Rods Automotive parts, Connecting rods, Studs, bolts, Axles, spindles, General engineering components. That said EN8 / EN8D Steel Round Bars are always supplied with the test certificates and can be supplied in bulk quantity as well as retail quantity as per your needs and demands.
| Grade | EN8D / EN-8 |
|---|---|
| Specification | BS970: 1955 EN8, BS970/PD970: 1970 onwards 080M40. |
| 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 | en8 Hot Rolled, Cold Rolled, Cold Drawn, Forged Round Bar, Rods |
| Processing | Bar cutting to 650mm |
| Form | en8 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. |
| EN8 / EN8D Bars and Rods Conforms To NACE MR0175/ISO 15156 | |
| BRITISH BS 970:1991 | 080A42 |
| BRITISH BS 970:1955 | EN8D |
| GERMAN DIN | CK40 |
| FRENCH AFNOR | XC42 |
| SWEDISH SS | 1650 |
| AMERICAN SAE | 1040 |
| EUROPEAN STEEL NO. | 1.1186 |
| EUROPEAN STEEL NAME | C40E |
| EUROPEAN STANDARD | EN10277-2 |
| EN8 Equivalents | |
|---|---|
| BS970: 1955 | EN8 |
| BS970/PD970:1970 onwards | 080M40 |
| European | C40, C45, Ck40,Ck45, Cm40, Cm45 |
| Werkstoff No. | 1.0511, 1.1186, 1.1189 |
| US SAE (AISI) | 1039, 1040, 1042, 1043, 1045 |
| 080M40 (EN8) | |
|---|---|
| Carbon | 0.36-0.44% |
| Silicon | 0.10-0.40% |
| Manganese | 0.60-1.00% |
| Sulphur | 0.050 Max |
| Phosphorus | 0.050 Max |
| Chromium | – |
| Molybdenum | – |
| Nickel | – |
| 080M40 (EN8) – mechanical properties in “R” condition | ||
|---|---|---|
| Max Stress | 700-850 n/mm2 | |
| 0.2% Proof Stress | 450 n/mm2 Min | (up to 19mm LRS) |
| Yield Stress | 465 n/mm2 Min | (up to 19mm LRS) |
| Elongation | 16% Min | (12% if cold drawn) |
| Impact KCV | 28 Joules Min | (up to 19mm LRS |
| Hardness | 201-255 Brinell | |
| EN-8 / EN8D Polished Round Bar | EN-8 / EN8D T-Bar | EN-8 / EN8D Square Bar |
| EN-8 / EN8D Triangle Bar | EN-8 / EN8D Flat Bar | EN-8 / EN8D Hex Bar |
| EN-8 / EN8D Precistion Stock Bar | EN-8 / EN8D Hollow Bar | EN-8 / EN8D Round Bar |
| EN-8 / EN8D Threaded Bar | EN-8 / EN8D Rods | EN-8 / EN8D Half Round Bar |
| En8 Mild Steel Rounds Bright Drawn / Turned | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Size (inches) | 1/4 | 5/16 | 3/8 | 7/16 | 1/2 | 1 | 5/8 | 11/16 | 3/4 | 1 | 7/8 | 1 | 1 | 1 1/8 |
| 1 1/4 | 1 3/8 | 1 7/16 | 1 1/2 | 1 5/8 | 1 3/4 | 1 7/8 | 2 | 2 1/8 | 2 1/4 | 2 3/8 | 2 1/2 | 2 5/8 | 2 3/4 | |
| 3 | 3 1/4 | 3 1/2 | 3 3/4 | 4 | 4 1/4 | 4 1/2 | 4 3/4 | 5 | 5 1/4 | 5 1/2 | 6 | 6 1/2 | 7 | |
| 7 1/2 | 8 | 9 | – | – | – | – | – | – | – | – | – | – | – | |
| Size (mm) | 5 | 6 | 7 | 8 | 9 | 10 | 12 | 13 | 14 | 15 | 16 | 18 | 20 | 22 |
| 24 | 25 | 28 | 30 | 32 | 35 | 36 | 38 | 40 | 42 | 45 | 50 | 55 | 60 | |
| 65 | 70 | 75 | 80 | 85 | 90 | 95 | 100 | 110 | 120 | 125 | 130 | 140 | 150 | |
| En8 Mild Steel Rounds Hot Rolled | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Size (mm) | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 | 90 | 95 | 100 | 105 | 110 |
| 115 | 120 | 125 | 130 | 135 | 140 | 145 | 150 | 155 | 160 | 165 | 170 | 180 | 185 | |
| 190 | 200 | 210 | 220 | 230 | 240 | 250 | 260 | 270 | 280 | 300 | – | – | – | |
| En8 Hexagons Bright Drawn | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Size (ins A/F) | 1.062 | 1.125 | 1.200 | 1.300 | 1.480 | 1.500 | 2.000 | 2.048 | 2.220 | 2.410 | 2.580 | 2.760 | 3.150 | 3.550 |
| En8 Mild Steel Flats Bright | ||||||
|---|---|---|---|---|---|---|
| Size (ins. A/F) | 1 x 1/2 | 2 x 1/4 | 3 x 1/2 | 4 x 1/2 | 5 x 1/2 | 6 x 3/4 |
| – | 2 x 3/8 | 3 x 3/4 | 4 x 1 | – | 6 x 1 | |
| 1 1/2 x 3/8 | 2 x 3/4 | 3 x 1 | 4 x 1 1/2 | – | – | |
| 1 1/2 x 1/2 | 2 x 1 | – | 4 x 2 | – | – | |
| 1 1/2 x 5/8 | – | 3 1/2 x 1 | 4 x 2 1/2 | – | – | |
| 1 1/2 x 3/4 | 2 1/2 x 3/8 | 3 1/2 x 1 1/2 | – | – | – | |
| 1 1/2 x 1 | 2 1/2 x 1 | – | – | – | – | |
| – | 2 1/2 x 3/4 | – | – | – | – | |
| 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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