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 جميع القتلى = EN39 S235GT

L245 = Api 5L / ASTM A106 Grade B