非合金结构钢:S185 S235JR S235J0 S235J2
S275JR S275J0 S275J2 S355JR S355J0 S355J2 S355K2 S450J0 E295 E335 E360
一般结构用碳素钢的钢号:AF34C10 AF37C12 AF42C20 AF50C30 AF50S AF55C35 AF60C40 AF65C45 AF70C55
低合金钢和耐候钢:P265NJ2 P265NJ4 P285NJ2 P345NJ2
P345NGJ2 P345NGJ4 P400NGJ2 P400NGJ4 P400NJ4 P460NJ2耐候钢(耐大气腐蚀钢的钢号):S235J0W S235J2W S355J0WP S355J2WP S355J0W S355J2W S355K2W