From Chapter 73: Chapter 73
| HTS Code | Description | General Duty |
|---|---|---|
| 7306110000 | Line pipe of a kind used for oil or gas pipelines Welded, of stainless steel | Free |
| 7306110010 | Welded, of stainless steel With an outside diameter not exceeding 114.3 mm | Free |
| 7306110050 | Welded, of stainless steel With an outside diameter exceeding 114.3 mm | Free |
| 7306191000 | Other Of iron or nonalloy steel | Free |
| 7306191010 | Of iron or nonalloy steel With an outside diameter not exceeding 114.3 mm | Free |
| 7306191050 | Of iron or nonalloy steel With an outside diameter exceeding 114.3 mm | Free |
| 7306195100 | Other Of alloy steel | Free |
| 7306195110 | Of alloy steel With an outside diameter not exceeding 114.3 mm | Free |
| 7306195150 | Of alloy steel With an outside diameter exceeding 114.3 mm | Free |
| 7306213000 | Casing Threaded or coupled | Free |
| 7306214000 | Casing Other | Free |
| 7306218000 | Welded of stainless steel Tubing | Free |
| 7306218010 | Tubing Imported with coupling | Free |
| 7306218050 | Tubing Other | Free |
| 7306291000 | Of iron or nonalloy steel Threaded or coupled | Free |
| 7306291030 | Threaded or coupled Imported with coupling | Free |
| 7306291090 | Threaded or coupled Other | Free |
| 7306292000 | Of iron or nonalloy steel Other | Free |
| 7306293100 | Other Threaded or coupled | Free |
| 7306294100 | Other Other | Free |
| 7306296000 | Tubing Of iron or nonalloy steel | Free |
| 7306296010 | Of iron or nonalloy steel Imported with coupling | Free |
| 7306296050 | Of iron or nonalloy steel Other | Free |
| 7306298100 | Tubing Other | Free |
| 7306298110 | Other Imported with coupling | Free |
| 7306298150 | Other | Free |
| 7306301000 | Other, welded, of circular cross section, of iron or nonalloy steel Having a wall thickness of less than 1.65 mm | Free |
| 7306301010 | Having a wall thickness of less than 1.65 mm Internally coated or lined with a non-electrically insulating material, suitable for use as electrical conduit | |
| 7306301090 | Having a wall thickness of less than 1.65 mm Other | |
| 7306303000 | Having a wall thickness of 1.65 mm or more Tapered steel pipes and tubes principally used as parts of illuminating articles | Free |
| 7306305000 | Having a wall thickness of 1.65 mm or more Other | Free |
| 7306305010 | Other Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold drawn | Free |
| 7306305015 | Other, cold-drawn | Free |
| 7306305020 | Other, cold-rolled (cold-reduced) with a wall thickness not exceeding 2.54 mm | Free |
| 7306305026 | Imported with coupling With an outside diameter not exceeding 50.8 mm | Free |
| 7306305027 | Imported with coupling With an outside diameter exceeding 50.8 mm but not exceeding 114.3 mm | Free |
| 7306305028 | Galvanized Internally coated or lined with a non-electrically insulating material, suitable for use as electrical conduit | Free |
| 7306305031 | Other With an outside diameter not exceeding 50.8 mm | Free |
| 7306305033 | Other With an outside diameter exceeding 50.8 mm but not exceeding 114.3 mm | Free |
| 7306305035 | Other Tube and pipe hollows for redrawing | Free |
| 7306305041 | Imported with coupling With an outside diameter not exceeding 50.8 mm | Free |
| 7306305043 | Imported with coupling With an outside diameter exceeding 50.8 mm but not exceeding 114.3 mm | Free |
| 7306305056 | Other With an outside diameter not exceeding 50.8 mm | Free |
| 7306305057 | Other With an outside diameter exceeding 50.8 mm but not exceeding 114.3 mm | Free |
| 7306305085 | With an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm Galvanized | Free |
| 7306305090 | With an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm Other | Free |
| 7306401000 | Other, welded, of circular cross section, of stainless steel Having a wall thickness of less than 1.65 mm | Free |
| 7306401010 | Containing more than 0.5 percent by weight of nickel Containing more than 1.5 percent but less than 5 percent by weight of molybdenum | Free |
| 7306401015 | Containing more than 0.5 percent by weight of nickel Other | Free |
| 7306401090 | Having a wall thickness of less than 1.65 mm Other | Free |
| 7306405000 | Other, welded, of circular cross section, of stainless steel Having a wall thickness of 1.65 mm or more | Free |
| 7306405005 | Having a wall thickness of 1.65 mm or more Of high-nickel alloy steel | Free |
| 7306405015 | Other Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold-drawn | Free |
| 7306405040 | Other, cold-drawn or cold-rolled (cold- reduced) Containing more than 0.5 percent but less than 24 percent by weight of nickel | Free |
| 7306405042 | Other Containing less than 15 percent by weight of chromium | Free |
| 7306405044 | Other Other | Free |
| 7306405062 | Containing more than 0.5 percent but less than 24 percent by weight of nickel Containing more than 1.5 percent but less than 5 percent by weight of molybdenum | Free |
| 7306405064 | Containing more than 0.5 percent but less than 24 percent by weight of nickel Other | Free |
| 7306405080 | With an outside diameter not exceeding 114.3 mm Other | Free |
| 7306405085 | With an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm Containing more than 0.5 percent but less than 24 percent by weight of nickel | Free |
| 7306405090 | With an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm Other | Free |
| 7306501000 | Other, welded, of circular cross section, of other alloy steel Having a wall thickness of less than 1.65 mm | Free |
| 7306503000 | Having a wall thickness of 1.65 mm or more Tapered pipes and tubes of steel principally used as parts of illuminating articles | Free |
| 7306505000 | Having a wall thickness of 1.65 mm or more Other | Free |
| 7306505010 | Other Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold-drawn | Free |
| 7306505030 | Other, cold-drawn or cold-rolled (cold- reduced) | Free |
| 7306505050 | Other With an outside diameter not exceeding 114.3 mm | Free |
| 7306505070 | Other With an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm | Free |
| 7306611000 | Having a wall thickness of 4 mm or more Of iron or nonalloy steel | Free |
| 7306613000 | Having a wall thickness of 4 mm or more Of alloy steel | Free |
| 7306615000 | Having a wall thickness of less than 4 mm Of iron or nonalloy steel | Free |
| 7306617000 | Having a wall thickness of less than 4 mm Of alloy steel | Free |
| 7306617030 | Of alloy steel Of stainless steel | Free |
| 7306617060 | Of alloy steel Other | Free |
| 7306691000 | Having a wall thickness of 4 mm or more Of iron or nonalloy steel | Free |
| 7306693000 | Having a wall thickness of 4 mm or more Of alloy steel | Free |
| 7306695000 | Having a wall thickness of less than 4 mm Of iron or nonalloy steel | Free |
| 7306697000 | Having a wall thickness of less than 4 mm Of alloy steel | Free |
| 7306697030 | Of alloy steel Of stainless steel | Free |
| 7306697060 | Of alloy steel Other | Free |
| 7306901000 | Other Of iron or nonalloy steel | Free |
| 7306905000 | Other Of alloy steel | Free |