A small amount of Nb is sufficient to obtain excellent comprehensive properties of KF40 ocean engineering steel plate etc. steel material, because at low Nb concentration, the yield strength of steel material increases faster and is proportional to the concentration, but when the Nb content is greater than 0.03%, the strengthening effect begins to decrease. Studies have shown that when the Nb content is greater than 0.06%, excess Nb will no longer strengthen the steel material.
Online sale hot rolled plate 3000 tons KF40 ocean engineering steel plate in Tianjin city50*2180*10000, 50*2500*12000, 50*2460*9250, 50*2440*9450, 50*2200*12003, 50*2200*12000, 50*2200*12004, 50*2430*7600, 50*2440*4200, 70*1620*7400, 50*2440*14200, 60*2500*7700, 50*2380*11400, 60*2500*10100, 66*2920*11000, 75*2000*8750, 50*2430*7700, 50*2200*11850, 70*1600*6000, 89*2600*6650, 50*2300*11600, 70*2920*8400, 100*2220*3050, 105*2560*7040.
If customers have any difficult problems during use of the steel materials, they can contact the company's after-sales service department to feedback the existing problems. The after-sales department will reply as soon as possible to ensure that each customer has a good after-sales experience. Under special circumstances, the after-sales service department will start the problem-solving process, and the engineers in charge of the area will quickly follow up to solve the problem.
At present, BBN steel has successfully developed Grade D40, E40 and other high-strength and high-toughness structural steel plates for offshore engineering, E550 and other quenched and tempered ultra-high-strength offshore platform steels, KF40 ocean engineering steel plate, API 2W Gr50 and other TPCP platform steels, and DH36-Z35 offshore oil platform steel, SM490, SM400 series of H-shaped steel for offshore oil platforms, etc., basically formed the serialization of high-strength steel for offshore platforms.
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