The JIS G3106 NV E40 hull structural steel plates specification is a hot-rolled carbon steel plate for welded structures. The NV E40 hull structural steel plates steel grades include: SM400A/B/C, SM490A/B/C, SM490YA/YB, SM520B/C, SM570.
The company is a leading steel production and exporting group in steel materials with advanced production technology, metal-cutting skill, and steel structures engineering projects. We can supply carbon steel plate and sheet, alloy steel plates and structural NV E40 hull structural steel plates steel plates. These hot rolled steel plates are sturdy plates having high quality. Their imperviousness to effect and scrapped area, weld capacity, and workability make them a worthy product in a variety of industries.
Tempering the important NV E40 hull structural steel plates welding structure often use high temperature tempering to remove residual weld stress. Classification: high temperature tempering above 400 ℃, medium temperature tempering 250 ~ 400 ℃, low temperature tempering 150 ~ 250 ℃, Quenching +Tempering is improve NV E40 hull structural steel plates strength, plasticity and toughness.
Oxygen is a harmful element in NV E40 hull structural steel plates steel. With the increase of oxygen content, the strength of NV E40 hull structural steel plates steel increased, but the plasticity, especially the toughness, decreased significantly, and the weldability became worse. The presence of oxygen causes hot brittleness of NV E40 hull structural steel plates steel.
The company formulates clear service process and service standard. To do a good job in after-sales service, first of all, clear service process and service standards should be formulated to let employees know which procedures to perform and which service standards to abide by.
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