Knowledge

S355J2 and S355K2 are both EN 10025-2 structural steels with a minimum yield strength of 355 MPa, but their key difference lies in their impact toughn

S275N and S460N are structural steels under EN 10025-3, for low-temperature use, with the key difference being strength: S460N offers a higher minimum

Q460D and Q460E are Chinese high-strength low-alloy (HSLA) steel grades with the same minimum yield strength (460 MPa), but the difference lies in the

S690Q and S890Q are high-strength, quenched & tempered structural steels (EN 10025-6), differing mainly in their specified minimum yield strength: S69

S690QL and S620QL are both high-strength, quenched & tempered (Q&T) structural steels under EN 10025-6, but the main difference lies in their specifie

S355NL and S355ML are both high-strength structural steels with minimum yield strength of 355 MPa, but differ in their production: S355NL uses Normali

S275J0 and S275JR are European standard (EN 10025-2) structural carbon steels with the same minimum yield strength (275 MPa for thinner plates) but di

SS490 and SS540 are Japanese standard structural steels (JIS G3101) differing primarily in strength, with SS540 offering significantly higher yield an

S500QL and S620QL are both high-strength, quenched & tempered (Q+T) structural steels under EN 10025-6, with the main difference being their yield str

S550Q and S690Q are both high-strength, quenched and tempered (Q) structural steels under EN 10025-6 standard, which is a European norm. The primary d

SM400A and SM400B are Japanese standard (JIS G3106) structural steels, differing mainly in their impact toughness requirements, with B having better l

SM490A and SM490B are Japanese (JIS G3106) structural steel grades with the same minimum tensile strength (490 MPa) but differ in their toughness requ