The main function of boron in KD36 hull ship structural steel plate and so on steel is to increase the hardenability of steel, so as to save other rare and precious metals, such as nickel, chromium and molybdenum. For this purpose, the boron content is generally regulated in the range of 0.001% - 0.005%. It can replace 1.6% nickel, 0.3% chromium or 0.2% molybdenum. It should be noted that molybdenum can prevent or reduce temper brittleness, while boron slightly promotes temper brittleness, so molybdenum can not be completely replaced by boron.
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Non-secondary KD36 hull ship structural steel plate product hot selling: 26*1500*9950, 23.5*2040*8100, 24*1500*6700, 23.5*1640*6550, 29*2140*7700, 30*1500*6000, 24*2000*9550, 26.5*2000*7000, 26*1600*6000, 32*1570*6000, 32.5*1560*6250, 25.5*1300*6000, 27*2550*6800, 27.5*2700*5500, 33*2340*6700, 34*1300*4000, 25.5*1740*8700, 29*2550*9000, 29*2870*12000, 26*1300*8100, 32.5*3050*6500.
2HGR50 carburizing steel implements API Spec 2H standard of American Petroleum Institute. CCS, DNV, ABS, GL, LR, BV, Rina, NK and KR certification can be added according to customer requirements. API2HGR50 is suitable for surface carburizing and hardening treatment, with good workability, small deformation and good fatigue resistance. KD36 hull ship structural steel plate, API 2H GR50 steel is used for making hull, offshore oil production platform, platform pipe joint and other structural parts.
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