ASME SA633 Grade A material is a high strength low alloy steel plate and sheet. ASME SA633 Grade A low alloy steel plate is normally delivered in normalized condition. The steel provides a minimum yield point of 42 ksi[290 MPa] in thickness up to 4 inch [100mm] and inclusive.
ASME SA633 Grade A steel chemical composition (%)
|Material||C max.||Mn||P max.||S max.||Si||Nb max.|
ASME SA633 Grade A steel tensile requirement
|Mechanical properties||Grade A|
|Tensile strength, kis [MPa]||-|
|thick ≤ 65mm||63-83[430-570]|
|65mm <thick ≤ 100mm||63-83[430-570]|
|Yield strength, min, kis [MPa]||-|
|thick ≤ 100mm||42|
|Elongation in 8 in. [200 mm], min, %||18|
|Elongation in 2 in. [50 mm], min, %||23|
ASME SA633 Grade A low alloy steel is particularly suited for at low ambient temperature of -50℉[-45℃] and higher where notch toughness better than that expected in as-rolled material of a comparable strength level is desired. As a carbon steel and low alloy steel manufacturer in China, we can supply and export large quantity SA633 Grade A plates and sheets. For SA633 Grade A steel price, welcome to come and visit our factory.