Grade | GB: Q195, Q215, Q235A, Q235B, Q235C, Q235D, Q255A, 255B, Q275, Q295A, Q295B,Q345B,Q345C,Q345D,Q345E,Q390A,Q390B,Q390C,Q390D,Q390E,Q420,Q420B,Q420C,Q420DQ420E,Q460D, Q460E, Q500D, Q500E, Q550D, Q550E,Q620D,Q620E,Q690D,Q690EEN: S185, S235JR, S275JR, S355JR, S420NL, S460NL S500Q, S550Q, S620Q, S690QASTM: Grade B, Grade C, Grade D, A36, Grade 36, Grade 40, Grade 42, Grade 50, Grade 55,Grade 60, Grade 65, Grade 80JIS: SS330, SPHC, SS400, SPFC, SPHD, SPHE |