ASTM A131 Steel Plate Chemical Composition (max.) | ||||||
Grade | C | Mn | Si | P | S | Others |
Grade A | 0.21 | 2.5xC | 0.50 | 0.035 | 0.035 | |
Grade B | 0.21 | 0.60 | 0.35 | 0.035 | 0.035 | |
Grade D | 0.21 | 0.60 | 0.01-0.35 | 0.035 | 0.035 | |
Grade E | 0.18 | 0.70 | 0.01-0.35 | 0.035 | 0.035 | |
AH32/DH32/EH32 | 0.18 | 0.90-1.60 | 0.10-0.50 | 0.035 | 0.035 | Cb 0.02-0.05, V 0.05-0.10, Ti 0.02, Cu 0.35, Cr 0.20, Ni 0.40, Mo 0.08, Als min. 0.015 |
AH36/DH36/EH36 | ||||||
AH40/DH40/EH40 | ||||||
FH32/FH36/FH40 | 0.16 | 0.90-1.60 | 0.10-0.50 | 0.025 | 0.025 |
ASTM A131 Steel Plate Mechanical Properties | ||||
Grade | Yield Strength | Tensile Strength | Elongation in 8 in. | Elongation in 2 in. |
min. MPa) | MPa | min. % | min. % | |
Grade A, B, D, and E | 235 | 400-520 | 21 | 24 |
AH32 DH32 EH32 FH32 | 315 | 440-590 | 19 | 22 |
AH36 DH36 EH36 FH36 | 355 | 490-620 | 19 | 22 |
AH40 DH40 EH40 FH40 | 390 | 510-650 | 19 | 22 |
ASTM A131 Steel Plate Charpy V-Notch Impact Test Temperature | |
Grade | Temperature F [C] |
Grade A | 68 [20] |
Grade B AH32 AH36 AH40 | 32 [0] |
Grade D DH32 DH36 DH40 | -4 [-20] |
Grade E EH32 EH36 EH40 | -40 [-40] |
FH32 FH36 FH40 | -76 [-60] |
Standard | Shipbuilding and Offshore Structure Steel Grades | |||
ASTM A131 | Grade A | Grade B | Grade D | Grade E |
AH32 | DH32 | EH32 | FH32 | |
AH36 | DH36 | EH36 | FH36 | |
AH40 | DH40 | EH40 | FH40 | |
EN 10225 | S355G2+N | S355G3+N | S355G5+M | S355G6+M |
S355G7+M | S355G7+N | S355G8+M | S355G8+N | |
S355G9+N | S355G9+M | S355G10+N | S355G10+M | |
S420G1+Q | S420G1+M | S420G2+Q | S420G2+M | |
S460G1+Q | S460G1+M | S460G2+Q | S460G2+M | |
API SPEC 2H | API 2H-42 | API 2H-50 |