A-32 Citations: A-32. American Iron and Steel Institute, “Steel Bumper Systems for Passenger Cars and Light Trucks,” Seventh Edition, June 2020. Related Posts Filter by Post type Post Page Category Citations Sort by Title Relevance T-48 Citation 8 Y-15 Citation 8 X-2 Citation 8 W-39 8 W-12 8 U-13 Citation U-13. 8 T-47 Citation 8 T-46 8 N-26 8 M-70 8