Shipbuilding use ABS CSS DH40 marine grade steel plates sheet

ASTM A131 DH40 steel Description

DH40 marine steel plate is a high-strength steel plate with excellent mechanical properties and a high strength-to-weight ratio. ASTM A131 DH40 shipbuilding steel is extremely durable and can withstand extreme temperatures and pressures. Made of high strength low alloy (HSLA) steel and alloying elements, the plate is extremely strong and durable. The main components of DH40 steel plate include carbon, silicon, manganese, phosphorus, sulfur, chromium, nickel, copper, molybdenum and other elements, among which the carbon content is low, usually below 0.18%. The combination of these elements makes DH40 steel have superior corrosion resistance and weldability, making it ideal for naval architecture.

DH40 shipbuilding steel plate/coil also has strong resistance to cracking and fatigue failure, which are common problems in shipbuilding engineering. The manufacturing process of DH40 steel plate usually adopts advanced controlled rolling technology and cooling control technology to ensure the uniformity, purity and strength of the product. By controlling the chemical composition and heat treatment process of the steel plate, the structure and properties of the steel plate can be controlled to meet the requirements of different ship structures. Therefore, it is an excellent choice for building ships that must withstand the extreme conditions of the sea. This steel plate is also very light in weight, making it easy to transport and install.

ASTM A131 DH40 hull marine steel plate is a kind of structural steel widely used in shipbuilding industry. DH40 steel plate is mainly used in the manufacture of hull structures, decks, bulkheads, ship accessories and other parts of ships. It has high strength and toughness, and can withstand various external loads and instantaneous forces encountered by ships during navigation, ensuring the safety of ships. At the same time, the DH40 steel plate also has good corrosion resistance, which can effectively resist the erosion and oxidation of seawater and prolong the service life of the ship. . This steel plate is extremely strong and durable, making it ideal for building ships that must withstand the harsh conditions of the ocean. It is also lightweight and corrosion resistant, making it ideal for boat building projects.

ASTM A131 DH40 steel Datasheet

Thickness: 3mm-150mm
Width: 1220 - 4220mm
Length: 5000-18000mm
Standard: ASTM A131
Classification Societies: ABS, LR, BV, DNV GL, RINA, NK, CCS, KR, RMRS
Surface Treatment: Clean, blasting and painting according to customer requirement
Export packing: Waterproof paper, and steel strip packed.
Standard Export Seaworthy Package.Suit for all kinds of transport,or as request
Capacity: 250,000 tons/year

ASTM A131 DH40 steel Chemical composition

(heat analysis, % max unless otherwise specified)

Notes: 1) The contents of any other element intentionally added is to be determined and reported.

1,If the content of soluble aluminum is not less than 0.015 %, the minimum required silicon content does not apply.
2,The indicated amount of aluminum, columbium (niobium), and vanadium applies if any such element is used singly.
3,Ca element need not be reported on the mill sheet unless intentionally added.

ASTM A131 DH40 steel Mechanical Properties

Equivalent Grade of ASTM A131 DH40 steel