ASME SA633 Grade D steel belongs to high strength low alloy steel plate and sheet. As a leading SA633 Grade D plate supplier in China, we can supply ASME SA633 Grade D low alloy steel plate with thickness up to 100mm[4inch]. The steel provides a minimum yield point of 50 ksi [345MPa] in thickness up to 2.5 inch [65mm] and inclusive and 46 ksi[315MPa] in thickness over 2.5inch [65mm] to 4inch [65 to 100mm], inclusive.
ASME SA633 Grade D steel chemical composition (%)
|Material||C max.||Mn||P max.||S max.||Si||Cu max.||Cr max.||Mo max.||Ni max.|
ASME SA633 Grade D steel tensile requirement
|Mechanical properties||Grade D|
|Tensile strength, kis [MPa]||-|
|thick ≤ 65mm||70-90[485-620]|
|65mm <thick ≤ 100mm||65-85[450-590]|
|Yield strength, min, kis [MPa]||-|
|thick ≤ 65mm||50|
|65mm <thick ≤ 100mm||46|
|Elongation in 8 in. [200 mm], min, %||18|
|Elongation in 2 in. [50 mm], min, %||23|
ASME SA633 Grade D 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.