What is A514GR.Q Steel plates property

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