等级
10 #, 20 #, 45 #, 16mn, Q195, Q215, Q235, ST35, ST37, St37-2, ST52, 10 #-45 #, 16mn, Q195-Q345, ST35-ST52
标准
ASTM A513-2007, ASTM A53-2007, ASTM A53M-2007, ASTM A671-2006, BS EN10219, GB 18248-2000, GB/T 3094-2000, JIS G3452-2004, JIS G3456-2004, JIS G3466