A285 Steel Plate

A285 steel plates are intended for fusion-welded pressure vessels. Plates are normally supplied in the as-rolled condition.

The steel plate under ASTM A285 ranges in three grades, A, B and C, most common use is ASTM A285 Grade C plates. Which shall be made by killed, semi-killed, capped or rimmed steel practices at manufacturer’s option.

For killed carbon steels only refer to below ASTM specifications.

  • A 299/A 299M: Carbon steel manganese silicon pressure vessel plates.
  • A 515/A 515M: Carbon steel for intermediate and higher temperature services of pressure vessel plates.
  • A516/A516M: Carbon steel for moderate and lower temperature pressure vessel plates.

Maximum thickness of plates is limited to 50 mm [2 inch] for all grades.