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C45 Round Barsare premium carbon steel bars recognized for their outstanding strength and adaptability. Featuring a medium carbon content, C45 round bars provide good weldability, machinability, and high tensile strength, making them well-suited for a wide range of industrial uses. They are frequently employed in producing machinery parts, automotive components, and construction projects, where durability and precision are critical. These bars are engineered to comply with rigorous quality standards, guaranteeing dependable performance in tough conditions. Whether used for structural support or component fabrication, C45 Round Bars deliver a cost-effective option with superb mechanical properties, making them a favored choice across many industries.
| Dimensions std | AISI, JIS, BS, EN, ASTM, ASME, DIN |
| Size chart in mm | 5 To 500 mm |
| Dia in mm | 0.1 to 100 mm |
| Length in mm | 100 To 6000 mm Long & Above |
| Finishes | Black, Rough Turned, Bright Polished, Matt Finish, NO.4 Finish, BA Finish |
| Tolerance Chart | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Forms | Square, Round, Hex (A/F),Flate, Forging, Billet, Rectangle, Ingot Etc. |
| Stainless Steel | ASTM A-182, A-479, 446, 321, 317L, 304, 310, 409, 440, 316H, 316ti, 304H,304S, 310S, 316L, 316 304L, 904L, 347, 309, 410, 430, 420, etc. |
| Duplex Steel | 2205, 32750, 31803, 32760, 2304, 2101 |
| Alloy Steel | A-182 – F9, F5, F12, F11, F21, F91, F22 |
| Special Grade | Stainless Steel 17-4 PH, Alloy 600, Alloy 800, Hastelloy C276. |
| Carbon Steel | LF 2, A 105, Duplex Steel. |
| Diameter d (mm) | Thickness t (mm) | 0.2 % proof stress (N/mm2) | Tensile strength (N/mm2) | Elongation A5 (%) | Reduction Z (%) |
| <16 | <8 | min. 490 | 700-850 | min. 14 | min. 35 |
| <17-40 | <8<=20 | min. 430 | 650-800 | min. 16 | min. 40 |
| <41-100 | <20<=60 | min. 370 | 630-780 | min. 17 | min. 45 |
| Standard | Grade | C | Mn | P | S | Si | Ni | Cr |
| ASTM A29 | 1045 | 0.43-0.50 | 0.60-0.90 | 0.04 | 0.050 | |||
| EN 10083-2 | C45/1.1191 | 0.42-0.50 | 0.50-0.80 | 0.03 | 0.035 | 0.4 | 0.4 | 0.4 |
| JIS G4051 | S45C | 0.42-0.48 | 0.60-0.90 | 0.03 | 0.035 | 0.15-0.35 |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, providing advanced solutions for all your piping requirements. With cutting-edge production facilities strategically situated in the New Zealand, we hold an extensive inventory of more than 25,000 tons of premium-quality materials kept ready in stock.
Reach out to us for a fast quote tailored to your requirement.
We provide these C45 Round Bar in accordance with DIN, ISO, JIS or ANSI Standard.
C45 Round Bar uses are as varied as the sectors they support, led mainly by the aerospace, railway, construction and automotive sectors along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Yes, C45 Round Bars, as a medium carbon steel, are prone to galvanic corrosion when they contact dissimilar metals while an electrolyte is present. To reduce this risk, protective steps like coatings, insulation, or the use of compatible metals are frequently applied. Consistent maintenance and monitoring can further help avoid galvanic corrosion, securing the durability and performance of C45 round bars across a range of applications.
Email: sales@koasteel.nz