S355ML / 1.8834 Thermomechanically Rolled Steel Plate

Steel S355ML

📌 Overview and Technical Specifications

Steel S355ML is a thermomechanically strengthened low-alloy structural steel known for its high strength, impact toughness, and excellent weldability. It is designed for use in low-temperature conditions and under increased loads.

🛠 Specifications:

• Hardness: 170–240 HB
• Thickness: from 6 mm to 120 mm
• Yield strength: ≥ 355 MPa
• Tensile strength: 470–630 MPa
• Elongation: 18–22%

🧪 Chemical Composition

• Carbon (C): ≤0.16%
• Silicon (Si): ≤0.50%
• Manganese (Mn): 1.00 – 1.80%
• Phosphorus (P): ≤0.025%
• Sulfur (S): ≤0.015%
• Chromium (Cr): ≤0.30%
• Nickel (Ni): ≤0.50%
• Molybdenum (Mo): ≤0.20%
• Vanadium (V): ≤0.10%
• Niobium (Nb): ≤0.05%

⚙ Applications

Steel S355ML is widely used in the following industries:

• 🏗 Bridges and large-scale metal structures
• 🚆 Manufacturing of freight wagons and transport vehicles
• ⚡ Energy infrastructure projects
• 🏭 Industrial structures operating in low-temperature conditions
• 🌉 Hydraulic engineering structures and complex construction projects

🌟 Features

• ✅ High strength at low temperatures
• ✅ Excellent weldability and machinability
• ✅ High impact toughness even at -50°C
• ✅ Optimal balance of strength and ductility
• ✅ Resistance to dynamic and cyclic loads

Delivery forms of fine-grained structural steel after thermomechanical rolling S355ML EN 10025-4