Shipbuilding Steel Grade D
Main Technical Characteristics
Shipbuilding steel Grade D is a high-strength structural steel used in the construction of marine vessels. It has good toughness, weldability, and corrosion resistance, making it ideal for use in harsh marine environments.
Chemical Composition
| Element | Content (%) |
|---|---|
| C (Carbon) | ≤ 0.21 |
| Si (Silicon) | ≤ 0.35 |
| Mn (Manganese) | 0.60-0.90 |
| P (Phosphorus) | ≤ 0.035 |
| S (Sulfur) | ≤ 0.035 |
| Al (Aluminum) | ≥ 0.015 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 400-520 |
| Yield Strength (MPa) | ≥ 235 |
| Elongation (%) | ≥ 22 |
| Impact Toughness (J at -20°C) | ≥ 34 |
Applications
Shipbuilding steel Grade D is used for manufacturing:
- Hull structures of ships and offshore platforms
- Load-bearing marine components
- Structural elements in shipyards and docks
- Components for harsh maritime environments
Features
- High strength and durability
- Good weldability and processability
- Enhanced corrosion resistance for marine conditions
- Excellent impact toughness at low temperatures
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
|
Reviews