
Small Square Billet 120x120mm Q235B
The Small Square Billet 120x120mm Q235B is a robust carbon carbon cost-effectiveGB/T
Manufacturer of high-quality JIS SS400 round billets in diameters from 100mm to 500mm. Ideal for construction, machinery, and general structural applications. Request a quote.


Never stop the technological innovation,more than 50 patents, so that every piece of Products becomes the masterpiece.From consulting to after-sales support, theall-weather, all-process, all-round, whole-hearted service system will Escort for you.
Product details
Our Round Billet product line offers versatile carbon steel billets manufactured according to JIS G3101 SS400 specifications, available in diameters ranging from 100mm to 500mm. These billets provide reliable mechanical properties and excellent processability, making them suitable for various industrial applications in accordance with Japanese Industrial Standards. The SS400 grade ensures good strength and formability, making these billets an economical choice for general structural purposes across multiple industries.
| Product Name | Carbon Steel Round Billet |
| Material Standard | JIS G3101 |
| Steel Grade | SS400 |
| Shape | Round |
| Diameter Range | 100 – 500 mm |
| Standard Length | 3000mm, 6000mm, 12000mm |
| Length Tolerance | +100/-0 mm |
| Chemical Composition (JIS G3101 Requirements) | |
|---|---|
| Element | Content (%) |
| Carbon (C) | ≤ 0.30 |
| Manganese (Mn) | ≤ 1.60 |
| Phosphorus (P) | ≤ 0.050 |
| Sulfur (S) | ≤ 0.050 |
| Silicon (Si) | – |
Packing and shipping
Factory information
Product certificate

The Small Square Billet 120x120mm Q235B is a robust carbon carbon cost-effectiveGB/T

Our 400mm diameter Round Billet is manufactured from premium 20CrMnTi alloy steel,

This Square Billet 10x10in ASTM Gr.50 is a high-strength low-alloy structural steel

Get more favorable prices and customized services from Chinese factories!