EH46 / 1.8811 Shipbuilding Plate

Shipbuilding Sheet Steel Grade E46 / EH46

General Characteristics

Grade E46 / EH46 is a high-strength shipbuilding steel designed for the construction of hull structures in harsh marine environments. It provides excellent toughness, weldability, and corrosion resistance, making it suitable for use in extreme conditions.

Chemical Composition (%)

The main elements in the composition of Grade E46 / EH46 steel:

• Carbon (C): ≤ 0.18
• Manganese (Mn): 0.90 – 1.60
• Silicon (Si): 0.10 – 0.50
• Phosphorus (P): ≤ 0.035
• Sulfur (S): ≤ 0.035
• Nickel (Ni): ≤ 0.80
• Chromium (Cr): ≤ 0.20
• Molybdenum (Mo): ≤ 0.08
• Copper (Cu): ≤ 0.35

Mechanical Properties

• Tensile Strength: 490-620 MPa
• Yield Strength: ≥ 460 MPa
• Elongation: 20-22%
• Impact Toughness: High resistance to low-temperature fractures

Key Advantages

✅ High strength and toughness ✅ Excellent weldability ✅ Corrosion and seawater resistance ✅ Suitable for extreme marine environments ✅ High impact resistance at low temperatures

Applications

🔹 Ship hull construction 🔹 Offshore platform components 🔹 Marine engineering structures 🔹 Icebreaker and Arctic vessel construction 🔹 High-strength welded shipbuilding structures

Forms of Supply for Shipbuilding Steel Sheets