Knowledge

To meet ABS welding standards, shipyards must implement specialized procedures addressing preheating, filler metal selection, joint design, post-weld

The maritime industry increasingly adopts ABS-certified high-strength steels (HSS)—such as AH36, EH40, and FH460—to reduce vessel weight while maintai

ABS sets stringent mechanical property requirements for shipbuilding steels to ensure structural integrity in marine environments. Key requirements in

ASTM A537 Class 1 is a low-carbon, alloy steel plate used for high-pressure vessel applications. This material offers exceptional strength and toughne

A204 Grade B is a Cr-Mo alloy optimized for corrosion resistance and high-temperature strength in aggressive industrial environments,
while 16Mo3

The closest Chinese equivalent of S235JR under EN 10025-2 is Q235B of GB/T 700, the national standard for carbon structural steels. The two grades are

ASTM A36 is an American standard, while S235 is a European standard. A36 is known for its weldability, good tensile strength, and moderate corrosion r

S235JR and Q355B are both structural steel grades, but they differ in their mechanical properties and chemical composition. S235JR is a European stand

S235JR and S355JR are the two basic hot-rolled structural plate grades of EN 10025-2, and the decisive difference is minimum yield strength: 235 MPa a

The Chinese equivalent of the European standard steel S355JR is Q355B under the GB/T 1591 standard. While Q345B was previously considered a close equi

ASTM A572 GR 50 is a high strength low alloy steel. Grade 50 is difficult to form since it contains more alloying elements than plain steel but offers

Corten weathering steel S355J2W is a kind of improved atmospheric corrosion resistance steel. S355J2W is another grade that is equivalent to Corten B.