›
30CrMnSiA alloy steel round bar
30CrMnSiA is a medium carbon alloy structural steel with high strength and good hardenability. After quenching and tempering, it exhibits high strength and sufficient toughness. It features good processability, small processing deformation, and excellent fatigue resistance. Commonly used for grinding wheel shafts, gears, sprockets, shafts, pistons, and special wear parts in automotive and aviation industries.
ASTM: JIS: GB: 30CrMnSiA
MaterialGB/T 3077
ThicknessN/A (Round Bar)
Width4-1600 mm (Diameter)
LengthAny length below 16 meters
MOQ1 Ton
Lead Time7-15 days
PortShanghai / Tianjin
Response within 24 hours
In Stock — Ready to Ship
| Material Grade | GB/T 3077 | Standard | GB/T 3077 |
| Thickness Range | N/A (Round Bar) | Width Range | 4-1600 mm (Diameter) |
| Length Range | Any length below 16 meters | MOQ | 1 Ton |
| Lead Time | 7-15 days | Port of Shipment | Shanghai / Tianjin |
| C | 0.28-0.34 | Si | 0.90-1.20 |
| Mn | 0.80-1.10 | P | ≤0.025 |
| S | ≤0.025 | Ni | 0.40 |
| Cr | 0.80-1.10 | Cu | 0.25 |
| Yield Strength | ≥835 MPa | Tensile Strength | ≥1080 MPa |
| Elongation | ≥10% | Hardness | ≤229 HBS |
Request a Quote for This Product
Can't Find the Product You Need?
Our team of steel experts is ready to help you source any product from our global network of mills and warehouses.