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60Si2Mn hot rolled spring steel round bar
60Si2Mn is a widely used silico-manganese spring steel with higher strength, elasticity, and hardenability than 55Si2Mn. It is suitable for manufacturing large load flat springs, coil springs with diameter less than 30mm, and automotive shock absorption systems. The steel features tempered troostite microstructure and is typically delivered in hot-rolled or cold-drawn conditions.
GB: 60Si2MnDIN: 25CrSi5JIS: SUP6
MaterialGB/T 1222 / DIN 17223
ThicknessN/A (Round Bar)
WidthN/A (Round Bar)
Length6000-12000 mm
MOQ1 Ton
Lead Time7-15 days
PortShanghai / Tianjin / Qingdao
Response within 24 hours
In Stock — Ready to Ship
| Material Grade | GB/T 1222 / DIN 17223 | Standard | GB/T 1222 / DIN 17223 |
| Thickness Range | N/A (Round Bar) | Width Range | N/A (Round Bar) |
| Length Range | 6000-12000 mm | MOQ | 1 Ton |
| Lead Time | 7-15 days | Port of Shipment | Shanghai / Tianjin / Qingdao |
| C | 0.56-0.64 | Si | 1.5-2.0 |
| Mn | 0.6-0.9 | P | ≤0.035 |
| S | ≤0.035 | Cr | ≤0.35 |
| Ni | ≤0.35 | Cu | ≤0.35 |
| Tensile Strength | ≥1275 MPa | Yield Strength | ≥1175 MPa |
| Elongation | ≥5% | Hardness | ≤321 HB |
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