The strengthening mechanisms in metals mainly include solid solution strengthening, dislocation strengthening, fine grain strengthening, and second phase (precipitation and dispersion) strengthening. Alloying elements have the most significant strengthening effect on steel in the quenched and tempered state, because it makes full use of all four strengthening mechanisms. Martensite is formed during quenching, and carbides are precipitated during tempering, resulting in a strong second phase strengthening and greatly improving toughness. Therefore, obtaining martensite and tempering it is the most economical and effective comprehensive strengthening method for NV A36 dry cargo ship steel.
NV A36 dry cargo ship steel China inventory: 8*2400*12000, 30*3020*7800, 20*1950*9000, 25*2210*9400, 8*2200*11200, 8*2400*12000, 22*3400*13000, 16*2150*10750, 27*3510*10500, 21.5*1630*13480, 13.6*2940*11455, 32*2520*7546, 16*2150*10450, 25*2500*12000, 8*2400*12000, 32*2500*6000, 16*2150*10350, 330*2200*4250, 22*3400*13000, 32*2500*6000, 12.9*2987*10384, 25*2700*9000, 14*1950*10000, 55*2200*8000, 13.6*2940*11455.
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NV A36 dry cargo ship steel, VL E460 steel plate is a kind of structural steel plate for ship and ocean engineering. "VL" stands for the abbreviation of "DNV-GL", which is a standard jointly certified by DNV (Norway) and GL (Germany), "E" means the grade of steel plate is E, and "460" means the min. yield of VL E460 steel plate is 460 Mpa. The delivery status of VL E460 steel plate: TM (thermo mechanical control rolling), QT (quenching + tempering), TM + T (thermo mechanical control rolling + tempering).
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