DNV Shipbuilding Steel For Shipyard
Shipboard details: The strength of the hull structure is divided into A, B, D, E4 grades, the yield strength of these four grades of steel (not less than 235N / mm ^ 2) and tensile strength (400 ~ 520N / mm ^ 2) , But different temperatures under the impact of shock is not the same; The high...
The strength of the hull structure is divided into A, B, D, E4 grades, the yield strength of these four grades of steel (not less than 235N / mm ^ 2) and tensile strength (400 ~ 520N / mm ^ 2) , But different temperatures under the impact of shock is not the same;
The high strength hull structure steel is divided into A, D, E and F4 according to its minimum yield strength, and each strength grade is divided according to its impact toughness. The yield strength of A32, D32, E32, F32 is not less than 315N / mm ^ 2, tensile strength is 440 ~ 570N / mm ^ 2, and A, D, E and F respectively represent their respective
The tensile strength of A36, D36, E36, F36 is not less than 355N / mm ^ 2, the tensile strength is 490 ~ 620N / mm ^ 2, A, D, E, F, respectively, that each can be 0 °,
The yield strength of A40, D40, E40, F40 is not less than 390N / mm ^ 2, the tensile strength is 510 ~ 660N / mm ^ 2, and the tensile strength is not less than 390N / A, D, E, F, respectively, that they can be 0 °, -20 °, -40 °, -60 ° in the case of the impact toughness can be achieved.
Ship plate steel plate representation method
The complete representation is:
General strength structural steel and high strength structural steel. The ship plate is a hot rolled steel sheet produced for the manufacture of hull structures as required by the Code of Construction. (Hereinafter referred to as CCSA, CCSB, CCSC, CCSD); China Classification Society standard high-strength structural steel for the three standards: A, B, D, E four quality grades (ie CCSA, CCSB, CCSC, CCSD) Strength level, four quality levels.
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