carbon steel a517 a-corten A,corten B,A588 GrA,A871 a517 gr h stock
ASTM A517 GRADE F,A517 GRADE H,A517 GRADE P,A517 1.Relative Grades ASTM A517 GRF,A517 GR.F,A517 GRH,A517 GR.H,A517 GR P,A517 GR.P,A517 GR Q,A517 GR.Q,A517 GR S,A517 GR.S standard specification for pressure vessel plates,alloy steel,high-strength,quenched and tempered.The steel shall be killed and shall conform to the fine austenitic grain size a517 gr h stock
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welded tube 444 carbon steel pipe price per kg