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A131 Shipbuilding Steel Plate (specifically referring to the most commonly used A131 GrA) is a general-strength shipbuilding structural steel under the ASTM A131/A131M standard. Its core characteristics are: yield strength ≥245 MPa, tensile strength 440–570 MPa, no low-temperature impact strength requirements, and good weldability and formability. It is considered an “entry-level” ship plate and is widely used in non-low-temperature/non-high-load hull sections.
ABS LR BV Grade Shipbuilding Steel Plate refers to marine structural steel plates certified by the American Bureau of Shipping (ABS), Lloyd’s Register (LR), and Bureau Veritas (BV). These steel plates must meet the stringent requirements of their respective classification societies regarding chemical composition, mechanical properties (strength, toughness), and weldability, and are widely used in ocean-going vessels, offshore platforms, and marine engineering structures.
AH36 Shipbuilding Steel Plate is a high-strength shipbuilding structural steel plate certified by international classification societies (such as CCS, ABS, DNV, etc.). In the grade designation, “A” represents the quality grade (Class A), “H” represents high strength, and “36” indicates a yield strength of not less than 355 MPa (approximately 51 ksi).
Marine steel plate, also known as shipbuilding steel plate, is a hot-rolled steel plate specifically designed for ship hull structures. It must conform to the specifications of classification societies (such as CCS, ABS, DNV, etc.), and its core characteristics are high strength, high toughness, good corrosion resistance, and excellent weldability.
Shipbuilding steel plate is a specialized hot-rolled steel plate manufactured according to the specifications of classification societies (such as CCS, DNV, ABS, etc.) for use in ship hull structures. It possesses high strength, high toughness, good weldability, and resistance to seawater corrosion.
Shipbuilding Steel Plates are hot-rolled steel materials specifically used for constructing ship hulls and critical structures. Their main applications include load-bearing components such as hull plating, decks, bulkheads, keels, and ribs. They are also used in special areas such as liquid cargo tanks (e.g., 9Ni steel for LNG carriers, corrosion-resistant steel for crude oil tankers), deck machinery, ballast tanks, and cargo hold bulkheads.