Manufacturer of premium 200mm diameter 45# carbon steel round billets. Ideal for high-strength components, shafts, and machinery parts. Request a quote today.
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Product details
Our 200mm diameter Round Billet is manufactured from high-quality 45# carbon steel (equivalent to ASTM 1045), offering superior strength and excellent wear resistance. This robust billet is engineered for applications requiring enhanced mechanical properties and durability. The 45# grade provides optimal hardness and tensile strength, making it perfect for heavy-duty components in industrial machinery, automotive systems, and equipment manufacturing.
| Product Name | Carbon Steel Round Billet |
| Material Standard | GB/T 699-1999 |
| Steel Grade | 45# |
| Equivalent Grades | ASTM 1045, JIS S45C, DIN 1.0503 |
| Shape | Round |
| Nominal Diameter | 200 mm |
| Diameter Tolerance | ± 2.0 mm |
| Standard Length | 3000mm, 6000mm |
| Length Tolerance | +100/-0 mm |
| Chemical Composition (GB/T 699-1999) | |
|---|---|
| Element | Content (%) |
| Carbon (C) | 0.42 – 0.50 |
| Silicon (Si) | 0.17 – 0.37 |
| Manganese (Mn) | 0.50 – 0.80 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.035 |
| Chromium (Cr) | ≤ 0.25 |
| Nickel (Ni) | ≤ 0.25 |
| Copper (Cu) | ≤ 0.25 |
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