What is A514GR.A steel plates property

What is A514GR.A steel plates property   QFSTEELS Bolier Plate Factory are specialized in producing and exporting ASTM A514 A514GR.A steel plates Boiler or pressure vessel steel plate,                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 heavy plate and wide, heavy plate, Which is a large steel plate…