Accreditation Administration System:
GL Grade AH32,GL Grade DH32,GL Grade EH32 and GL Grade FH32 shipbuilding steel plates are under GL rules.
Before taking delivery of these plates from steel mills,all the steel plates have been inspected by GL ship surveyor and
reviewed&endorse the MILL TEST CERTIFICATE issued by the mill. Other gardes such as GL Grade A,GL Grade B,
GL Grade D,gl garde E.For giving you a clear knowledge of these grades,now we list the following comparasion table:
Property Data:
|
Grade |
|
GL Grade AH32 |
GL Grade DH32 |
GL Grade EH32 |
GL Grade FH32 |
|
,Chemical Composition % ¡Ü |
C |
0.18 |
0.18 |
0.18 |
0.16 |
|
Mn |
0.90-1.60 |
0.90-1.60 |
0.90-1.60 |
0.90-1.60 | |
|
Si |
0.10-0.50 |
0.10-0.50 |
0.10-0.50 |
0.10-0.50 | |
|
P |
0.035 |
0.035 |
0.035 |
0.025 | |
|
S |
0.035 |
0.035 |
0.035 |
0.025 | |
|
Al (acid) ¡Ý |
0.015 |
0.015 |
0.015 |
0.015 | |
|
Nb |
0.02-0.05 |
0.02-0.05 |
0.02-0.05 |
0.02-0.05 | |
|
V |
0.05-0.10 |
0.05-0.10 |
0.05-0.10 |
0.05-0.10 | |
|
Ti |
0.02 |
0.02 |
0.02 |
0.02 | |
|
Cu |
0.35 |
0.35 |
0.35 |
0.35 | |
|
Cr |
0.20 |
0.20 |
0.20 |
0.20 | |
|
Ni |
0.40 |
0.40 |
0.40 |
0.80 | |
|
Mo |
0.08 |
0.08 |
0.08 |
0.08 | |
|
N |
|
|
|
0.009 | |
|
Tensile Strength (Mpa) ¡Ý |
440-590 |
440-590 |
440-590 |
440-590 | |
|
Yield Strength (Mpa) ¡Ý |
315 |
315 |
315 |
315 | |
|
Mark on steel plate |
GL/AH32 |
GL/DH32 |
GL/EH32 |
GL/FH32 | |
