Knowledge

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

ASTM A514 Grade A and Grade Q are both high-strength, quenched and tempered alloy steel plates, but they differ in their specific chemical composition

ASTM A283 Grade C and D are carbon steel plates for general structural use, differing mainly in their mechanical properties and chemical composition,

S460N and S460M are high-strength, weldable structural steel plates under the EN 10025-3 (S460N) and EN 10025-4 (S460M) standards, differing mainly in

S420N and S420NL are normalized, fine-grain structural steels under EN 10025-3, offering the same strength (420 MPa yield) but differing in low-temper

ASTM A572 Grade 50 and Grade 55 are High-Strength Low-Alloy (HSLA) steel plates for structural uses, differing mainly in strength; Grade 50 has a mini

S355J2 and S355JR are both high-strength structural steels with a minimum yield strength of 355 MPa, but their key difference lies in their low-temper

S355JR and S355J0 are both high-strength, low-alloy structural steels (EN 10025 standard) with a minimum yield strength of 355 MPa, but their key diff

S235JR and S235J2 are both non-alloy structural steels with a minimum yield strength of 235 MPa, but they differ in their impact toughness requirement

S235JR and S235J0 are both non-alloy structural steels with similar strength, but their key difference is impact toughness, determined by the letter a

ASTM A387 Grade 12 is a chromium-molybdenum alloy steel for high-temperature pressure vessels, characterized by about 1% Chromium (Cr) and 0.5% Molybd