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DNV DH32 shipbuilding steel DNV DH32 is a kind of shipbuilding steel.DNV DH32 with g...
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DNV EH32 shipbuilding steel DNV EH32 is a kind of shipbuilding steel.DNV EH32 with g...
DNV Grade A steel is a kind of high tensile strength marine steel. As a professional ...
DNV Grade A steel is a kind of high tensile strength marine steel. All of these steel...
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With good toughness properties, higher strength, DNV A420 are mainly used to contribu...
DNV A420 steel is a kind of high tensile strength marine steel. As a professional DNV...