Steel Circle 1.5026 / 55C2
Overview
Steel circle 1.5026 / 55C2 is a high-carbon silicon-manganese spring steel known for its high strength, elasticity, and impact toughness. Due to its characteristics, it is widely used in the production of springs, suspension components, and other high-strength parts.
Key Features
- High elasticity and wear resistance
- Excellent impact toughness
- Good hardenability and stability after heat treatment
- Good weldability and machinability
Chemical Composition (%):
- Carbon (C): 0.52 – 0.60
- Silicon (Si): 1.50 – 2.00
- Manganese (Mn): 0.60 – 0.90
- Phosphorus (P): ≤ 0.035
- Sulfur (S): ≤ 0.035
Mechanical Properties:
- Hardness (HB): 200–260
- Yield Strength (MPa): ≥ 600
- Tensile Strength (MPa): 1100–1300
- Elongation (%): ≥ 12
- Impact Toughness (J): ≥ 30
Applications
- Automotive Industry – production of leaf springs, shock absorbers, suspension stabilizers
- Mechanical Engineering – spring components, tools requiring high strength
- Railway Industry – production of damping elements
- Construction – mechanisms subjected to intensive loads
Advantages
✅ High strength and fatigue resistance
✅ Good thermal treatability
✅ Excellent performance under impact loads
✅ Optimal balance of hardness and elasticity
Steel 1.5026 / 55C2 is a reliable material for components operating under heavy conditions, where high wear resistance and mechanical strength are essential.
Forms of delivery of steel circle 1.5026 / 55С2
Steel circles | |
| Steel grades | Dimensions supplied (mm) |
| Steel Circle 1.5026 | 20 – 200 |
