EH36 marine steel Description
EH36 marine steel advantage
Carburizing heat treatment, then quenching heating temperature 850℃, oil cold; 200℃ tempering and air cooling. It has good comprehensive mechanical properties and low temperature impact toughness after quenching and tempering. It has high bending strength and wear resistance after carburizing and quenching.Due to the strict requirements of shipbuilding plates, alloy elements are added to steel, Nb, V, Ti and combined with the production process of steel plates, which can improve the toughness of steel while ensuring the mechanical properties of high-strength ship plates. EH36 steel plate delivery status TMCP, hot rolling, controlled rolling, normalizing delivery.
Product Parameters
Grade | Si % | C % | P % | Mn % | S % | AL % | V % | Cr % | Mo % | Cu % | Ni % | Nb % | Ti % |
ABS EH36 | 0.1-0.5 | 0.18 | 0.035 | 0.90-1.6 | 0.035 | 0.015 | 0.05-0.10 | 0.2 | 0.08 | 0.35 | 0.4 | 0.02-0.05 | 0.02 |
Grade | Yield Strength (MPa) | Ultimate Tensile Strength (MPa) | Elongation at Break (%) |
ABS EH36 | 355 | 490-620 | 21 |
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, |
AH36/DH36/EH36 | ||||||
AH40/DH40/EH40 | ||||||
FH32/FH36/FH40 | 0.16 | 0.90-1.60 | 0.10-0.50 | 0.025 | 0.025 |
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 |
Charpy V-Notch Impact Test Temperature | |
Grade | Temperature ⁰F [⁰C] |
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] |
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