NV F40 hull steel structural plate for riveted construction

Quenching and tempering (QT) is a double heat treatment process of quenching and high temperature tempering. In general, medium carbon steel and medium NV F40 hull steel structural plate 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 F40 hull steel structural plate 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.

ABS class shipbuilding steel plate contains two kinds as common strength and high strength ship plate according to different yield and tensile strength.Common strength shipbuilding plates Grade A, B, D, E and F are mainly used to contribute hull of ship,and high strength shipbuilding plate are mainly built the cranes of bulk and breaker ships in low temperature surroundings. ABS Grade AH36, DH36, NV F40 hull steel structural plate, and EH36 plate rolling specifications range:Thickness within 3-300mm,Width within 1250-4000mm.

As of the week of November 13, China's total coke inventory was 7,240,400 tons, the overall level is still low, but it increased by 1.64% from the beginning of the month, and an increase of 120,000 tons during the week. This part of the increase mainly occurred downstream. Inventories of 110 Chinese steel mills increased by 12%, and the Rizhao Port Depot, which remained low in the previous period, also increased by 60,000 tons. If subsequent coke inventories continue to rise, disk prices will be under pressure under bearish expectations, and coking profits will also shrink from high levels.

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