Chung Metal is a reputable manufacturer and supplier of Carbon Steel EN-8 Bars in Da Nang, Vietnam. EN-8 bars are famous for their strength, toughness, and machinability in perfect balance. Produced under process control, Chung Metal ensures higher quality and dimensional accuracy. EN-8 bars provide consistent performance in mechanical and general engineering uses. With good surface finish and homogenous mechanical properties, these bars find extensive application in components that need moderate tensile strength and wear resistance.
EN-8 has 0.36–0.44% carbon, 0.60–1.0% manganese, and low silicon and sulfur. It has tensile strength of 550–650 MPa, yield 300 MPa, and elongation of around 16%. The material has good wear resistance and machinability and can be heat-treated to enhance mechanical properties for critical applications.
| Grades | EN 8, EN 19, EN 24, EN 31 |
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Carbon Steel EN Series Round Bars | 3.0 – 50.8 mm, Over 50.8 – 300mm |
| Carbon Steel EN Series Rectangular Bars | 6.35 x 12.7mm,6.35 x 25.4mm,12.7 x 25.4mm |
| Carbon Steel EN Series Hex Bars | AF5.8mm–17mm |
| Carbon Steel EN Series Square Bars | AF2mm – 14mm, AF6.35mm,9.5mm,12.7mm, 15.98mm,19.0mm, 25.4mm |
| Carbon Steel EN Series Flat Bars | 1/2” to 10” in thickness range of 2mm to 150mm |
| Length | 1 to 6 Meters, Custom Cut Lengths |
| Finish | Bright, Polish & Black |
| Form | Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wire-mesh, Billet, Ingot, Forging Etc. |
| Grade | ||||||
| C% | Si% | Mn% | Cr% | Mo% | W% | |
| EN-1A | 0.007 TO 0.15 | 0.10 | 0.80 TO 1.00 | S | P | – |
| 0.20 TO 0.30 | 0.70 MAX | |||||
| EN-8 | 0.35 TO 0.45 | 0.05 TO 0.30 | 0.60 TO 1.00 | S | P | – |
| 0.06 MAX | 0.06 MAX | |||||
| EN-9 | 0.50 TO 0.60 | 0.05 TO 0.30 | 0.5 TO 0.80 | – | – | – |
| EN-19(V 320) | 0.35 TO 0.45 | 0.10 TO 0.30 | 0.5 TO 0.80 | 0.90 TO 1.40 | 0.20 TO 0.40 | |
| EN-24(V 130) | 0.35 TO 0.45 | 0.10 TO 0.35 | 0.45 TO 0.70 | 0.90 TO 1.40 | 0.20 TO 0.35 | NI |
| 1.3 TO 1.8 | ||||||
| EN-31 R-100 | 0.90 TO 1.20 | 0.10 TO 0.35 | 0.30 TO 0.75 | 1.00 TO 1.60 | – | – |
| EN-36C E-200 | 0.12 TO 0.18 | 0.10 TO 0.35 | 0.30 TO 0.60 | 0.60 TO 1.10 | – | NI |
| 3.0 TO 3.75 | ||||||
| EN-42 | 0.70 TO 0.85 | 0.10 TO 0.40 | 0.55 TO 0.75 | – | – | – |
| EN-44 | 0.90 TO 1.20 | 0.30 | 0.45 TO 0.70 | – | – | – |
| EN-45 F-110 | 50 TO 0.60 | 1.5 TO 2.0 | 0.70 TO 1.00 | – | – | – |
| EN-351 | 0.10 TO 0.20 | 0.35 | 0.60 TO 1.00 | 0.40 to 0.80 | 0.08 to 0.10 | NI |
| 0.60 TO 1.00 | ||||||
| EN-353 | 0.10 TO 0.20 | 0.35 | 0.50 TO 1.00 | 0.75 TO 1.25 | 0.08 to o.15 | NI |
| 1.00 TO 1.50 |
| Annealed | R | S | T | U | V | W | Y | |
|---|---|---|---|---|---|---|---|---|
| Ruling Section (mm) | 150 | 150 | 100 | 65 | 65 | 30 | 30 | 25 |
| Tensile Strength (MPa) | 680/720 | 690/850 | 770/930 | 850/1000 | 930/1080 | 1000/1160 | 1080/1240 | 1280 |
| Yield Stress (MPa) | 440/480 | 480 | 570 | 665 | 740 | 835 | 895 | 1050 |
| Elongation (% Min) | 22 | 15 | 15 | 13 | 12 | 12 | 10 | 10 |
| ISO V Impact (Joule) | 30 | 30 | 30 | 30 | 25 | 25 | 22 | 7 |
| Hardness (Brinell) | 190/210 | 201/255 | 223/277 | 248/302 | 269/321 | 293/341 | 311/375 | 363/415 |
| Proof Stress (0.2%) if required (MPa, Min) | 495 | 550 | 630 | 710 | 770 | 850 | 985 |
| Standard | CS EN-19 |
| UNS | – |
| WERKSTOFF NR. | 42Cr4Mo2 |
| BS | 709M40 |
| IS | 40Cr4Mo3 |
| JIS | – |
| EN | EN19 |
| SAE/AISI | 4140,4142 |
They offer high tensile strength, wear resistance, and excellent machinability, making them suitable for demanding applications.
They are widely used in automotive, engineering, and heavy machinery industries for components like gears, shafts, and bolts.
Yes, we provide EN-8 Bars and Rods in various sizes and specifications to meet specific project requirements.
EN-8 bars are applied in axles, shafts, gears, bolts, studs, and automobile parts. They function satisfactorily under average stress and mechanical wear. Chung Metal’s EN-8 bars are sought after by mechanical workshops, automobile manufacturers, and machinery component manufacturers for their hardness and affordability.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Chung Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Da Nang, Vietnam
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