The LR grade A steel plate is a general-strength steel plate for shipbuilding, which is mainly used to build the hull and hull structure of ships.
The chemical composition of LR grade A steel plate
| Main chemical element composition of LR grade A steel plate | ||||
|
C |
Si |
Mn |
P |
S |
|
0.21 |
0.50 |
2.5×C |
0.035 |
0.035 |
LR grade A steel plate is a hull structural steel with good toughness, high strength, strong corrosion resistance, processing performance and welding performance. In the steel standard ASTM A131M, the offshore steel grade LR grade A steel plate is the best grade steel.
