for buildings q235b bridge grade

for buildings q235b bridge grade

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Bridges and Boardwalks China GB Standard Q235B Hot Rolled Steel Plate/ Sheet

S235jr Q235B Ss400 A36 Carbon Mild Steel Plate Iron Metal Ms Steel Sheet for Building Material US for buildings q235b bridge grade699-799 / Ton China Mill Factory (ASTM A36,SS400,S235,S355,St37,St52,Q235B,Q345B) Hot Rolled Ms Mild Carbon Steel Plate for Building Material and Construction

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