LR Grade A steel plate is common strength shipbuilding plate which is mainly used for built hull of vessels,ship body construction.Ship plate LR Grade A is the Hull structural steel,with it's good toughness properties, higher strength,strong corrosion-resistance,the processing properties,and welding properties.In the steel standard ASTM A131/A131M,offshore steel grade ASTM A131 Grade A is the best equvialent steel grade with LR Grade A.
LR Grade A Shipbuilding Steel Plate Specification:
Thickness: 3mm to 150mm,
Width: 1220mm to 4200m
Length: 5000mm to 18000mm.
Mechnical Property for LR Grade A Shipbuilding Structual Steel Plate:
| Yield strength (≥Mpa) |
Tensile strength (Mpa) |
Elongation in ≥,% |
| 235 |
400-520 |
200mm |
50mm |
| 21 |
24 |
Chemical Composition for LR Grade A Ship Steel Plate(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 |
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.
LR A grades of steel plate are almost used in the Shipbuilding Industry for the construction of structural parts of ships, barges and marine equipment. LR A Shipbuilding steel plates also can be used for ship repairing, the offshore oil drilling platform, the platform pipe joints and other components.
If you need any further information about LR Grade A Shipbuilding Steel Plate,please do not hesitate to contact us.
