S355J2 low-alloy (HSLA) steel
L-shaped steel, also known as unequal edge and unequal thickness angle steel, is a new type of profile suitable for the needs of large-scale ship construction. In addition to large ships, L-section steel can also be used in marine engineering structures and construction structures with high requirements. Its main advantages are:
1. When the height of the section steel is the same as that of the abdomen, the section coefficient and rigidity of the L section steel are larger than that of the bulb flat steel.
2. At the same section coefficient, the thickness of L-shaped steel plate is slightly thinner than that of spherical flat steel, which is more conducive to improving the quality of welding seam.
3. Under the same section coefficient, the storage capacity of the ship is increased and the economic benefit is improved.
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