
Round Billet Diameter 250mm 45#
Our 250mm diameter Round Billet is manufactured from high-quality 45# carbon steel
Supplier of high-quality 20# carbon steel round billets in 100mm diameter. Ideal for machining, construction, and general manufacturing. Request a quote today.


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Product details
Our 100mm diameter Round Billet is manufactured from 20# carbon steel (equivalent to ASTM 1020), offering excellent mechanical properties and superior machinability. This precision-engineered billet is designed for applications requiring reliable performance and consistent quality. The 20# grade provides an optimal balance of strength, ductility, and wear resistance, making it suitable for various industrial applications where precision and reliability are essential.
| Product Name | Carbon Steel Round Billet |
| Material Standard | GB/T 699-1999 |
| Steel Grade | 20# |
| Equivalent Grades | ASTM 1020, JIS S20C, DIN 1.0402 |
| Shape | Round |
| Nominal Diameter | 100 mm |
| Diameter Tolerance | ± 1.0 mm |
| Standard Length | 3000mm, 6000mm |
| Length Tolerance | +50/-0 mm |
| Chemical Composition (GB/T 699-1999) | |
|---|---|
| Element | Content (%) |
| Carbon (C) | 0.17 – 0.23 |
| Silicon (Si) | 0.17 – 0.37 |
| Manganese (Mn) | 0.35 – 0.65 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.035 |
| Chromium (Cr) | ≤ 0.25 |
| Nickel (Ni) | ≤ 0.25 |
| Copper (Cu) | ≤ 0.25 |
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