Knowledge

ASTM A203 Grade B and ASTM A204 Grade B are both specifications for alloy steel plates used in the construction of welded pressure vessels and boilers

ASTM A203 Grade A and ASTM A204 Grade A are both specifications for alloy steel plates used in the construction of welded pressure vessels and boilers

ASTM A202 Grade A and ASTM A203 Grade A are both specification designations for alloy steel plates used in the fabrication of welded pressure vessels

ASTM A517 is a standard specification for high-strength, quenched and tempered alloy steel plates primarily intended for use in fusion welded boilers

S235J2 and S275J2 are non-alloy structural steel grades specified under EN 10025-2, the European standard for hot-rolled structural steels . Both grad

ASTM A633 is a specification for normalized high-strength low-alloy (HSLA) structural steel plates designed for welded, riveted, or bolted constructio

S235J0 and S420J0 are non-alloy structural steel grades specified under EN 10025-2, the European standard for hot-rolled structural steels . Both grad

S355J0 and S420J0 are non-alloy structural steel grades specified under EN 10025-2, the European standard for hot-rolled structural steels . Both grad

ASTM A572 is a high-strength low-alloy (HSLA) structural steel specification covering five grades—42, 50, 55, 60, and 65—with grade numbers representi

S500QL and S620QL are ultra-high-strength, quenched and tempered (Q+T) alloy special structural steels specified under EN 10025-6, designed for demand

S620QL1 and S690QL1 are ultra-high-strength, quenched and tempered (Q+T) alloy special structural steels specified under EN 10025-6, designed for dema

Both A514 Grade C and A514 Grade E are quenched and tempered (Q&T) alloy steel plates conforming to ASTM A514/A514M, a specification for high-yield-st