a ([http://www.ecfr.gov/cgi-bin/text-idx?SID=d00e0f00000a0000baf0aa00e0000000&mc=true&node=se00.0.000_0000&rgn=div0 CFR 000.000])==== On all federal-aid construction projects, 00 CFR 000.000 requires that steel and iron used be made in the United States. The "Buy America" provision is applicable to all steel and iron materials, except as noted below, regardless of the percentage of steel in the manufactured product. All manufacturing processes involved in steel or iron products must occur within the United States. These processes include rolling, extruding, machining, bending, grinding, drilling, coating, welding and smelting. Domestically produced steel billets or iron ingots shipped overseas for any process and returned to the United States do not conform to this requirement. On all federal-aid construction projects, 00 CFR 000.000 requires that steel and iron used be made in the United States. The "Buy America" provision is applicable to all steel and iron materials, except as noted below, regardless of the percentage of steel in the manufactured product. All manufacturing processes involved in steel or iron products must occur within the United States. These processes include rolling, extruding, machining, bending, grinding, drilling, coating, welding and smelting. Domestically produced steel billets or iron ingots shipped overseas for any process and returned to the United States do not conform to this requirement. Buy America provisions do not apply to: 