Starc Metals stands out as a top-notch manufacturer and supplier of Carbon Steel EN-44 Bars right in Canberra, Australia. They’re well-known for providing high-quality steel products that meet strict industrial standards. The company really focuses on precision manufacturing, durability, and putting customers first. Starc Metals offers EN-44 Bars in a variety of sizes and specifications, making them perfect for use in automotive, construction, machinery, and fabrication sectors. With a strong commitment to consistent performance, timely delivery, and competitive pricing, they’ve earned a solid reputation for reliability and excellence. Their advanced production capabilities ensure that customers get robust and efficient carbon steel bar solutions, whether for heavy or light-duty engineering tasks.
When it comes to Carbon Steel EN-44 Bars, they feature medium to high carbon content, along with added manganese and silicon, which boost their strength and hardenability. These bars are known for their impressive tensile strength, impact resistance, and fatigue resistance, making them ideal for components that face dynamic loading. They can be heat-treated through quenching and tempering to further enhance their hardness and durability. EN-44 offers moderate machinability before heat treatment, with even better performance afterward. Its mechanical properties strike a balance between toughness, wear resistance, and elasticity, making it suitable for applications that require both strength and resilience under pressure.
| 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.
You’ll find Carbon Steel EN-44 Bars widely used in industries that need components capable of withstanding stress, shock, and repetitive motion. They’re often used in making springs, leaf springs, coil springs, and parts for automotive suspension because of their excellent elasticity and fatigue strength. Additionally, EN-44 Bars are utilized in crafting hand tools, parts for agricultural equipment, machine components, and shock-resistant tools. Their durability and wear resistance make them a great fit for heavy-duty machinery and engineering applications.






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