Z-direction performance of FH420 shipbuilding steel plate: it is commonly known as thickness direction performance steel plate. There are special provisions for the mechanical properties of thick steel plate in thickness direction.
FH420 shipbuilding steel plate can also be attached flaw detection: also known as ultrasonic inspection, is for the internal quality of the steel plate is an inspection method means, but also can test the metal internal defects such as concealed cracks, pores, trachoma and impurities. FH420 shipbuilding steel plate inspection standard: NB/T47013.3-2015-T1.
Application of FH420 shipbuilding steel plate: structural steel for ultra high strength ships and ocean engineering.
Company FH420 shipbuilding steel plate classification society certification: China CCS, the United States ABS, Norway DNV, Germany GL, Britain LR, Korea KR, France BV, Japan NK, Italy RINA, etc.(Norway DNV, Germany GL merged: VL).