Classification of shipbuilding steel plate

General strength shipbuilding steel plate

The general strength shipbuilding steel plateis divided into four grades: A, B, D, and E. The yield strength (not less than 235N/mm^2) of these four grades of steel is the same as the tensile strength (400~520N/mm^2). , but the impact power at different temperatures is different;

Highstrength shipbuilding steel plateis divided into strength grades according to its minimum yield strength, and each strength grade is divided into A, D, E, and F4 grades according to their different impact toughness.

The yield strength of A32, D32, E32, and F32 is not less than 315N/mm^2, and the tensile strength is 440-570N/mm^2. Impact toughness can be achieved at -40°-60°;

The yield strength of A36, D36, E36 and F36 is not less than 355N/mm^2, and the tensile strength is 490~620N/mm^2. Impact toughness can be achieved at -40°-60°;

The yield strength of A40, D40, E40, and F40 is not less than 390N/mm^2, and the tensile strength is 510~660N/mm^2. The impact toughness can be achieved at -40°-60°.

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