Steel circle 1.0570 / 17G1S
General Characteristics
Steel 1.0570 (17G1S) is a structural carbon steel known for its high strength, good weldability, and resistance to mechanical loads. It is widely used in construction, mechanical engineering, and pipeline manufacturing.
Chemical Composition (%)
The main elements in the composition of 1.0570 steel:
- Carbon (C): 0.17 – 0.22
- Manganese (Mn): 1.00 – 1.60
- Silicon (Si): 0.15 – 0.35
- Phosphorus (P): ≤ 0.035
- Sulfur (S): ≤ 0.040
Mechanical Properties
- Hardness: 140-180 HB
- Tensile Strength: 450-600 MPa
- Yield Strength: ≥ 355 MPa
- Elongation: 20-25%
Key Advantages
✅ High mechanical strength ✅ Good weldability without the need for preheating ✅ Resistance to mechanical loads and impacts ✅ Good plasticity and machinability
Applications
🔹 Construction structures and supports 🔹 Production of pipes and mainline structures 🔹 Machine and equipment components 🔹 Metal structures operating under harsh conditions 🔹 Shipbuilding and bridge construction
Forms of delivery of steel circle 1.0570 / 17G1S
Steel circles | |
| Steel grades
| Dimensions supplied (mm) |
| Steel Circle 1.0570 | 20 – 650 |