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3.Which steel grade can YuanTaiDeRun provide ?
Q195= S195/A53 Grade A
Q235= S235/A53 Grade B /A500 Grade A/ STK400 /SS400/ST42.2
Q345= S355JR/A500 Grade B Grade C
Q235 Al killed = EN39 S235GT
L245= Api 5L/ASTMA106 Grade B