Knowledge

BV DH40 and BV EH40 are both high-strength hull structural steel plates certified by Bureau Veritas (BV) with a minimum yield strength of 390 MPa, but

BV D550 and BV E550 are both high-strength marine-grade steel plates certified by Bureau Veritas (BV) with a minimum yield strength of 550 MPa, intend

BV D690 and BV E690 are high-strength, quenched and tempered (QT) or thermo-mechanically controlled processed (TMCP) marine structural steels certifie

Q500NH and Q235NH are Chinese-standard (GB/T 4171) weathering (Corten) structural steels, differentiated mainly by strength: Q235NH has a minimum yiel

Q500NH and Q415NH are grades of high-strength, low-alloy (HSLA) weathering steel plates, primarily used in construction, bridges, and other outdoor st

Q355NH and Q460NH are Chinese standard (GB/T) weathering steels, indicating they develop a protective rust layer for atmospheric corrosion resistance,

S355J0W and S355J2W are European standard (EN 10025-5) weathering steels, also known as Corten steels, that develop a protective rust layer for corros

Boiler quality 15Mo3 steel was the designation in DIN 17155, replaced in 1993 by EN 10028-2. At the same time, the name was changed to 16Mo3, maintain

ASTM A203 Grades A and E are nickel-alloy steel plates for welded pressure vessels, differing mainly in nickel content, with Grade A typically around

ASTM A285 Grade A and B are low-carbon steel plates for boilers, tanks, and pressure vessels, differing mainly in strength: Grade B offers higher tens

ASTM A517 Grade A and ASTM A533 Grade A are distinct quenched & tempered alloy steels for pressure vessels, with A517 being a higher strength, general

P265GH and P355GH are European standard (EN 10028-2) weldable steel grades used for pressure vessels, boilers, and heat exchangers, offering good high