With the rapid development of shipbuilding technology at home and abroad, the development of large scale, high speed and light weight ships has created a bright prospect for the application of high level hull structural steel, such as LR EH36 steel plates.
Shipbuilding industry requires more and more for shipbuilding steel plates, which not only requires LR EH36 steel plates have certain strength, but also have good low temperature impact toughness. Therefore, LR EH36 grade marine structural steel has a wider development prospect, and LR EH36 shipbuilding steel become popular in ultra low temperature sea areas.
LR EH36 steel plates keep LR AH36 steel plates strength, but ASTM A131 EH36 material put forward higher requirements on the impact toughness, and its delivery station is -40 C low temperature impact properties. In addition, during factory approval, -40 DEG C impact properties of LR AH36 steel plates must be qualified. The low temperature impact properties are also difficulties which restrict the development of higher level shipbuilding steel plates.
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Henan BEBON Iron&Steel co.,ltd.