Steel S420MC
📌 Overview and Technical Specifications
Steel S420MC is a thermomechanically hardened low-alloy structural steel with high strength, ductility, and excellent weldability. It is used in the automotive, mechanical engineering, and construction industries.
🛠 Specifications:
- Hardness: ≤ 220 HB
- Thickness: from 2 mm to 25 mm
- Yield strength: ≥ 420 MPa
- Tensile strength: 480–620 MPa
- Elongation: 16–22%
🧪 Chemical Composition
- Carbon (C): ≤ 0.12%
- Silicon (Si): ≤ 0.60%
- Manganese (Mn): 1.00 – 1.80%
- Phosphorus (P): ≤ 0.025%
- Sulfur (S): ≤ 0.015%
- Chromium (Cr): ≤ 0.30%
- Nickel (Ni): ≤ 0.50%
- Molybdenum (Mo): ≤ 0.08%
- Titanium (Ti): ≤ 0.22%
⚙ Applications
Steel S420MC is widely used in the following industries:
- 🚗 Manufacturing of automotive frames and chassis components
- 🏗 Construction of load-bearing metal structures
- 🚜 Production of agricultural and road machinery
- 🏭 Manufacturing of high-load mechanisms
- ⚡ Applications in the energy sector
🌟 Features
- ✅ High strength while maintaining ductility
- ✅ Excellent weldability without the need for preheating
- ✅ Superior formability and machinability
- ✅ Enhanced wear resistance and durability
- ✅ Stability of mechanical properties across a wide temperature range
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