Knowledge

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

Q460NH and Q550NH are grades of weather-resistant structural steel (Corten steel), commonly known as Corten, used for high-strength applications needi

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

Q245R and Q370R are Chinese (GB standard) boiler and pressure vessel steel plates, with the numbers indicating minimum yield strength (245 MPa for Q24