In RINA classification society, common strength structural shipbuilding steel grades contains RINA Grade A,RINA Grade B,RINA Grade D and RINA Grade E steel plates. High strength structural shipbuilding steel grades are RINA Grade AH32, Grade AH36, GRADE AH40, Grade DH36,Grade DH40,GRADE FH32, RINA
GRADE FH36 and Grade FH40. Now we analysis the common grades property as belows:
RINA Grade A, RINA Grade B, RINA Grade D, RINA Grade E Shipbuilding Steel Properties
Grade |
RINA Grade A | RINA Grade B | RINA Grade D | RINA Grade E | |
---|---|---|---|---|---|
Yield Strength(Mpa) | 235 |
235 |
235 |
235 |
|
Tensile Strength(Mpa) | 400-520 |
400-520 |
400-520 |
400-520 |
|
Impacting Test temperature (℃) | 20 |
0 |
-20 |
-40 |
|
Chemical Composition % ≤ |
C |
0.21 |
0.21 |
0.21 |
0.18 |
Mn(≥) |
2.5*C |
0.80 |
0.60 |
0.70 |
|
P |
0.035 |
0.035 |
0.035 |
0.035 |
|
S |
0.035 |
0.035 |
0.035 |
0.035 |
|
Si |
0.50 |
0.35 |
0.10- 0.35 |
0.10- 0.35 |
|
Al (acid) |
0.035 |
0.035 |
0.035 |
0.035 |
|
H:Heat Analysis. P: Product Analysis | RINA A |
RINA B |
RINA D |
RINA E |
We can supply common strength steel grade RINA Grade A,RINA Grade B, RINA Grade D and RINA Grade E steel plates with RINA certification(Registro Italiano Navale). Find more details of shipbuild steel from Katalor Industry from now on.