LR Grade A(LR/A) Steel Plate are used in manufacturing hull, maritime oil extraction drilling platform, platform tube junction and other structural components.
LR Grade A Shipbuliding Steel Plate has good toughness properties and higher strength, strong corrosion-resistance,the processing properties,and welding properties.
Dimension of Grade A Steel Plate (LR Classification):
Thickness: 3mm-150mm
Width: 1220mm-4200mm
Length: 5000mm-180000mm
Chemical composition for LR Grade A ship steel (Heat Analysis Max%)
| Main chemical elements composition of LR Grade A |
| C |
Si |
Mn |
P |
S |
| 0.21 |
0.50 |
2.5×C |
0.035 |
0.035 |
Mechnical property for LR Grade A shipbuilding structual steel:
| Yield strength (≥Mpa) |
Tensile strength (Mpa) |
Elongation in ≥,% |
| 235 |
400-520 |
200mm |
50mm |
| 21 |
24 |
Delivery States:
The delivery States of LR Grade A(LR/A) steel plate is Pretreatment, HR(Hot rolled),CR (Controlled Rolling), N (Normalizing), and other delivery states are available as customers' requirement.
Tests:
LR Grade A(LR/A) steel plate contains Tensile Tests and Impact Tests.
The UT (Ultrasonic Testing), the third party test, Z15, Z25, Z35 test and other tests are also available as customers` requirement.
If you need any further information about LR Grade A(LR/A),LR Grade B,LR Grade D,LR Grade E Steel Plates,please do not hesitate to contact us.
