Grade D marine steel plate
D grade shipbuilding steel is a commonly used tensile strength steel.D grade shipbuilding steel plate is a hull structural steel with good toughness, high strength, strong corrosion resistance, machinability and weldability.
D grade marine steel plate is mainly used for the manufacture of hull structure of ships weighing less than 10000 tonnes, usually sailing in coastal and inland waterway areas.
D shipbuilding plate specifications:
Thickness: 4mm to 260mm;
Width: 1200 mm to 4000 mm;
Length: 3000 mm to 18000 mm.
shipbuilding steel Chemical Composition
| Grade |
C max |
Si max |
Mn |
P max |
S max |
Als min |
|
Grade D |
0.21 |
0.35 |
0.60-1.20 |
0.035 |
0.035 |
0.015 |
Grade D Shipbuilding steel plate mechanical property
| Grade |
Rm |
Re(MPa) min |
A% min |
Akv/J min |
||||||
|
Grade D |
400-520 |
235 |
22 |
E.T °C |
Thickness (mm) |
|||||
|
-20 |
≤ 50 |
>50-70 |
>70-100 |
|||||||
|
L |
C |
L |
C |
L |
C |
|||||
|
27 |
20 |
34 |
24 |
41 |
27 |
|||||
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