... , ASTM A500, EN 10219, EN10210 Steel Grade: Q195-Q345, 500B/C, S235JR, S355JR, S355J2H WidthHeightW/T(mm)(mm)(mm)1.5 ... √√√√√√√ 200200 √√√√√√√ 250250 √√√√√√√√ 300300 √√√√√√√ 350350 √√√√√√√ 400400 √√√√√√√√ 450450 √√√√√√√ 500500 √√√√√√√√600600 √√√√√√√√ Square Steel Pipe