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Grade E steel impact force at -40 °C.High-strength shipbuilding steel plate can be further divided into AH32,DH32,EH32; AH36,DH36,EH36 and .AH36,DH36,EH36 High Strength Shipbuilding Steel Plate gl grade aq51 physical propertiesGrade A steel is the impact force subjected to normal temperature (20 ° C).Grade B steel impact force at 0 °C.
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