Aung Metals stands out as a leading manufacturer and supplier of Carbon Steel EN-44 Bars, proudly based in Naypyidaw, Myanmar. The company has built a solid reputation for providing top-notch engineering materials across various industries. They place a strong emphasis on product quality, precise processing, and strict adherence to international manufacturing standards. With state-of-the-art production facilities and a team of skilled professionals, Aung Metals guarantees that its EN-44 bars deliver durability, reliability, and outstanding performance even in the toughest conditions. Their commitment to timely delivery, customer-centric service, and competitive pricing has made them a trusted name in the region. Aung Metals continues to excel in serving the automotive, construction, and heavy engineering sectors with consistent quality and supply.
When it comes to composition, Carbon Steel EN-44 Bars mainly consist of carbon, manganese, and silicon, with carefully controlled levels of sulfur and phosphorus to ensure purity and structural integrity. These bars are known for their high tensile strength, impressive toughness, and good wear resistance, making them perfect for high-stress applications. Their capacity for heat treatment further boosts their hardness, ductility, and overall mechanical performance. EN-44 bars strike a great balance between rigidity and flexibility, allowing them to handle dynamic loads and fatigue stresses effectively. This reliability ensures a long service life, even in demanding working environments.
| Specifications | ASTM B446 / ASTM SB446 |
| size | 2-100mm A/F |
|---|---|
| Square bar size | 4 to 100mm |
| Flat bar size | Thickness: 2 -100mm Width: 10 to 500mm |
| Round bar size | Diameter: 3-~800mm |
| Rectangles Size | 33 x 30mm to 295 x 1066mm |
| Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| Section | 3.0 to 12.0mm thickness |
| Channel Bar | 80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness |
| Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
| Billet Size | 1/2″ to 495mm Diameter |
| Finish | Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black |
| Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Surface | Hot Rolled Pickled, Bright, Sand Blasting Finished, Cold Drawn, Hairline, Polished |
| Condition | Hardened & tempered, annealed |
| Technique | Cold Drawn, Hot Rolled, Forged Round Bar,Cold Rolled, Rod |
| Processing | Bar cutting to 650mm |
| Form | Round, Welding Rod, T-Bar, Rod, Precision Ground Bar, Channel Bar, Square, Flat Bar, Blocks, Round Rod, Hollow, Rings, Rectangle, Hex (A/F), Triangle, Threaded, Profiles, Billet, Ingot, I/H Bar, Half Round Bar, 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 |
| Grade | HEAT TREATMENT | CORRESPONDING SPECIFICATION | |||||
| Hardening Temperature | Quenching Medium | Tempering Temperature | Brinell Rock well hardness | JAPAN JIS | AISI | POLDI THREAD | |
| EN-1A | – | – | – | – | – | – | – |
| EN-8 | 750-900 | OIL | 150-200 | ||||
| EN-9 | 850-900 | OIL | 200-250 | 55-60 | |||
| EN-19 (V 320) | 900-950 | OIL | 200-225 | 45-55 | SCM 4 | 4140 | |
| EN-24 (V 130) | 830-860 | OIL | 540-680 | 45-55 | SNCM 8 | 4340 | |
| EN-31 R-100 | 820-860 | OIL | 180-225 | 59-65 | |||
| EN-36C E-200 | 780-860 | OIL | 170-210 | 61-63 | SNC 22 | 3415 | |
| EN-42 | 600-700 | DIRECT HARDENING | 40-45 | ||||
| EN-44 | 650-750 | OIL | 150 | 45-50 | |||
| EN-45 | 830-860 | OIL | 470-520 | 50-55 | 9255 | ||
| EN-351 | 850-860 | OIL | 175-200 | 62-64 | |||
| EN-353 | 840-870 | OIL | 150-200 | 62-64 | |||
| Standard | CS EN-9 |
| UNS | – |
| WERKSTOFF NR. | CK55 |
| BS | 070M55 |
| IS | C55 |
| JIS | – |
| EN | EN9 |
| SAE/AISI | 1055 |
Yes, Carbon Steel EN-44 Bars can be heat-treated to improve mechanical properties such as strength and hardness. Common treatments include annealing, quenching, and tempering, depending on application requirements.
Carbon Steel EN-44 Bars are used in manufacturing automotive components, tools, and industrial equipment due to their excellent toughness, wear resistance, and high tensile strength, making them suitable for heavy-duty applications.
Carbon Steel EN-44 Bar offers high tensile strength (~700-850 MPa), excellent toughness, good wear resistance, moderate ductility, and hardness (~230-290 HB), making it suitable for heavy-duty applications.
In various industries that require components capable of withstanding high impact and mechanical stress, Carbon Steel EN-44 Bars are a go-to choice. They are widely used in the automotive sector for crafting parts like crankshafts, gears, axles, camshafts, and connecting rods, thanks to their strength and durability. In construction and heavy engineering, these bars are perfect for machinery components, fasteners, and load-bearing structures. Additionally, they find applications in railway equipment, mining machinery, and mechanical tools where long-lasting performance is crucial. Their toughness and ability to be heat-treated make them exceptionally well-suited for these demanding roles.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Aung Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Naypyidaw, Myanmar
Copyright 2024 Aung Metals. All rights reserved