Quenching and tempering (QT) is a double heat treatment process of quenching and high temperature tempering. In general, medium carbon steel and medium NV A40 passenger container ship steel carbon alloy steel often need quenching and tempering treatment. Quenching and tempering can make iron and steel parts obtain a good combination of strength and toughness, with high strength, excellent toughness, plasticity, cutting performance, etc. Some NV A40 passenger container ship steel alloy steel or low alloy steel must be quenched and tempered to obtain good comprehensive properties. These steels can also be called quenched and tempered steels.
The demand for iron ore from steel production has weakened. As China’s domestic market enters the off-season for consumption, the demand for iron ore from steel production will weaken to a certain extent. Affected by the fall and winter environmental protection production restrictions and the expected release of national scrap steel standards at the end of the year, the market outlook is expected to decline and prices will not rise Shows a volatile downward trend. Steel production declined slightly, and the demand for iron ore weakened.
NV A40 passenger container ship steel products order online: 8*2400*12000, 9*2300*6870, 10*2400*8300, 10*2400*8450, 12*2820*11500, 14*1950*10000, 14*1950*10450, 14*1950*10500, 14*1950*10550, 14*1950*10600, 14*1950*10700, 14*1950*10800, 14*2150*8500, 14*2150*9300, 14*2400*10000, 16*2150*10950, 20*1950*9000, 20*1950*9150, 25*2100*8400, 25*2100*8650, 25*2400*11600.
The weight of the ship plate can be set according to the weight required by the ship, so that neither the weight of the ship nor the speed of operation will be affected. The price of NV A40 passenger container ship steel, medium and thick ship plates is determined according to the thickness and quality, which can be combined with the cost of shipbuilding to calculate the price, and then make a choice, so that it will not affect the cost of shipbuilding.
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