RINA Grade AH40 Marine Steel Plate

Structural steel for ship hulls is divided into strength classes according to its minimum yield strength: general strength structural steel and high strength structural steel. Maine steel plate refers to hot rolled steel plate produced in accordance with the requirements of the classication society for the construction of ship hull structures.

Chemical Composition

Steel gradeCSiMnPSAls
Grade AH40≤0.18≤0.500.9-1.6≤0.035≤0.035≥0.015
Grade DH40≤0.18≤0.500.9-1.6≤0.035≤0.035≥0.015
Grade EH40≤0.18≤0.500.9-1.6≤0.035≤0.035≥0.015
Grade FH40≤0.18≤0.500.9-1.6≤0.035≤0.035≥0.015




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