

GL certified Grade AH40/AH32/AH36 marine plate materials
Steel Grade:GL Grade AH40,GL Grade AH32,GL Grade AH36
Relative steel grades: GL/A,GL/B,GL/D,GL/E,GL/A32,GL/A36,GL/A40,
GL/D32,GL/D36,GL/D40,GL/E32,GL/E36,GL/E40,GL/F32,GL/F36,GL/F40
Main application:Used primarily in structural applications in marine and shipping industry for barges,ships,small vessels,support structures and various type of equipment with GL (Germanischer Lloyd) certificate.
Rolling range: Thickness*Width*Length 3-450mm*1500-4200mm*5000-18000mm
Surface Treatment: Coated,Shop primer painting
Test: Low temperature impacting test,Ultrasonic examination,Normalized,Z-TEST,Z15,Z25,Z35.
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►Mechnical property for GL Grade AH40 shipbuilding structual steel:
Yield strength (≥Mpa) |
Tensile strength (Mpa) |
Elongation in ≥,% | |
390 |
510-650 |
200mm |
50mm |
19 |
22 |
►Chemical composition for GL Grade AH40 ship steel (Heat Analysis Max%)
Main chemical elements composition of GL Grade AH40 | ||||||
C |
Si |
Mn |
P |
S |
Al (acid) min. |
Nb |
0.18 |
0.10-0.50 |
0.90-1.60 |
0.035 |
0.035 |
0.015 |
0.02-0.05 |
V |
Ti |
Cu |
Cr |
Ni |
Mo |
|
0.05-0.10 |
0.02 |
0.35 |
0.20 |
0.40 |
0.08 |
|
GL certificate grade ah40,grade ah36,grade ah32,grade aq43 high tensile marine steel plates from stock in Xinsteel warehouse now.Ready for shipment for various dimemsions.