Morocco customer purchase 3700 ton nm400 steel grade

As the thickness and hardness of NM400 steel grade increase, the tendency to crack at the cutting edge increases. In order to prevent the NM400 steel grade from cutting cracks, preheating should be carried out before NM400 steel grade cutting. Special attention should be paid to preheating to make the entire NM400 steel grade interface evenly heated to avoid local overheating in the area contacting the heat source. If the whole NM400 steel grade cannot be preheated, the partial preheating method can be used instead.

NM450 wear-resistant plate is a kind of wear-resistant steel plate with Brinell hardness of 450HB. It has excellent cold bending property and is mainly used in wear-resistant condition. NM400 steel grade, NM450 wear resistant plate has very good weldability, and it is a good choice for dump truck carriage, container, crusher, sieve plate, feeder, feeding funnel, elevator, blade, conveyor, bucket, cutter, gear, sprocket, etc. application.

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Medium thick steel plate refers to the steel plate with a thickness of not less than 3 mm but less than 20 mm. It can be produced by reversible hot rolling medium and heavy plate mill, and its thin products can also be processed by cold rolling mill. NM400 steel grade, Medium thick steel plates are mainly used in boilers, shipbuilding, railway cars, automobiles, containers, military industry, national defense, construction, bridges and containers.