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
| Shipbuilding Steel
| |||
| Marking
| Dimensions, mm | ||
| Thickness
| Width
| Length up to
| |
| Grade А
| 3 — 100
| 1 000 — 3 500
| 16 000
|
| Grade D
| 4 — 120
| 1 000 – 4 000
| 16 000
|
| Grade E
| 4 — 120
| 1 000 — 4 000
| 16 000
|
| D36
| 4 — 60
| 1 000 — 4 000
| 16 000
|
| E 36 / EH 36
| 5 — 250
| 1 000 — 3 500
| 16 000
|
| F 36 / FH 36
| 6 — 100
| 1 000 — 3 500
| 16 000
|
| EH 40
| 8 — 40
| 1 000 — 3 500
| 16 000
|
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