A573Gr58 steel sheet of improved toughness owned the minimum yield strength at 220 MPa,and the tensile strength of A573 Gr58 steel plate shall be within 400-490Mpa.A573/A573M specification covers structural quality carbon manganese silicon steel plates in three tensile strength range for A573 Grade 58,A573 Grade 65 and A573 Grade 70.A537Gr58 is intended primarily for service at atmospheric temperatures where improved notch toughness is important.The steel of A573Gr58 shall be made by one or more of the following processes as open hearth,basic oxygen or electric furnace. 

♦ Low temperature impacting test
♦ Ultrasonic test under ASTM A435/A577/A578
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and Painting,Cutting and welding as per end user’s demands
♦ Rolling under ASTM A6/A6M for Genenal requirements of structural used steel
♦ A573/A573M specification for structural carbon steel plates of improved toughness 

ASME SA573 Grade 58

ASME SA573 Grade 65

ASME SA573 Grade 70