| HS Code | Steel Pipe Products |
| 7326901900 | Other industrial steel products |
| 7304599090 | Non-rolled other alloy steel seamless circular cross-section tube |
| 7304599001 | High temperature pressure alloy steel seamless pipe (tensile strength ≧ 620MPa, yield strength ≧ 440MPa) |
| 7304591090 | Non-cold rolled other alloy steel seamless boiler tube |
| 7304591001 | High temperature pressure alloy steel seamless pipe (tensile strength ≧ 620MPa, yield strength ≧ 440MPa) |
| 7304519090 | Cold rolled other alloy steel other seamless pipe |
| 7304519001 | High temperature pressure alloy steel seamless pipe (tensile strength ≧ 620MPa, yield strength ≧ 440MPa) |
| 7304511090 | Cold rolled other alloy steel seamless boiler tubes |
| 7304511001 | High temperature pressure alloy steel seamless pipe (tensile strength ≧ 620MPa, yield strength ≧ 440MPa) |
| 7304293000 | Other bushing and conduit for drilling oil and gas with yield strength ≥758 MPa |
| 7304292000 | 552 MPa ≤ Yield Strength <758 MPa Additional Drilling Casing and Conduits for Oil and Gas |
| 7304291000 | Other bores and conduits for drilling oil and gas applications with yield strengths <552 MPa |
| 7307290000 | Stainless steel pipe other accessories |
| 7306500000 | Other alloy steel circular cross section fine weld pipe |
| 7304119000 | Other stainless steel pipe |
| 7303001000 | Cast iron round section tube with internal diameter> 500mm |
| 7303009000 | Other cast iron pipe and hollow profile |
| 7304111000 | Stainless steel 215.9mm ≤ outside diameter ≤ 406.6mm pipe (oil or gas seamless steel pipe) |
| 7304112000 |
114.3mm stainless steel pipe |
| 7304113000 | Stainless steel pipe diameter ≤ 114.3mm pipe (oil or gas seamless steel pipe) |
| 7304191000 | Other 215.9mm ≤ outside diameter ≤ 406.6mm pipeline (oil or gas seamless steel pipe except cast iron) |
| 7304192000 |
Other 114.3mm |
| 7304193000 | Other pipe diameter ≤ 114.3mm pipe (except for oil or gas seamless steel pipe cast iron) |
| 7304199000 | Other plumbing (except oil or gas seamless steel pipe cast iron) |
| 7304221000 | Stainless steel outer diameter ≤168.3mm Drilling pipe (drilling oil and natural gas) |
| 7304229000 | Other stainless steel drill pipe (drilling oil and natural gas) |
| 7304231000 | Other diameter ≤ 168.3mm drill pipe (drilling oil and natural gas, except cast iron) |
| 7304239000 | Other drill pipes (except cast iron used for drilling oil and gas) |
| 7304240000 | Other stainless steel casing and conduit for drilling oil and gas |
| 7304311000 | Cold-rolled steel seamless boiler tubes (cold-drawn or cold-rolled iron or non-alloy steel, including internal threads) |
| 7304312000 | Cold rolled seamless steel geological pipe, casing (cold drawn or cold rolled iron or non-alloy steel) |
| 7304319000 | Other cold-rolled iron seamless circular cross-section tube (cold drawn or cold-rolled iron or non-alloy steel) |
| 7304391000 | Non-drawing or cold-rolled iron seamless boiler tubes |
| 7304392000 | Non-cold rolled seamless steel geological drilling pipe, casing (non-drawing or cold-rolled iron or non-alloy steel) |
| 7304399000 | Non-cold-rolled iron other seamless pipe (non-drawing or cold-rolled iron or non-alloy steel) |
| 7304411000 | Cold-rolled stainless steel seamless boiler tubes (cold drawn or cold-rolled, including internal threads) |
| 7304419000 | Cold-rolled stainless steel other seamless pipe (cold drawn or cold rolled) |
| 7304491000 | Non-cold (unplugged) stainless steel seamless boiler tube (including internal thread) |
| 7304499000 | Other non-cold rolled stainless steel seamless pipe (except cold drawn or cold rolled) |
| 7304512000 | Cold rolled other alloy steel seamless geological drill pipe, casing (cold drawn or cold rolled) |
| 7304592000 | Non-cold rolled other alloy steel Seamless geological drill pipe, casing (except cold drawn or cold rolled) |
| 7304900000 | Not listed Seamless steel pipe and hollow profile (except cast iron) |
| 7305110000 |
Vertical submerged arc welding of crude oil and natural gas pipe (crude steel pipe refers to the outer diameter of more than 406.4mm) |
| 7305120000 | Other vertical welding oil and gas crude steel pipe (crude steel pipe refers to the outside diameter of more than 406.4mm) |
| 7305190000 | Other crude oil and natural gas pipe (crude steel pipe refers to the outer diameter of more than 406.4mm) |
| 7305200000 | Other drilling crude oil and natural gas casing (coarse casing refers to the outer diameter of more than 406.4mm) |
| 7305310000 | Longitudinal welding of other crude steel pipe (crude steel pipe refers to the outside diameter of more than 406.4mm) |
| 7305390000 | Other methods of welding other crude steel pipe (crude steel pipe refers to the outer diameter of more than 406.4mm) |
| 7305900000 | Not listed round section crude steel pipe (crude steel pipe refers to the outside diameter of more than 406.4mm) |
| 7306110000 | Stainless steel weld oil and gas pipelines |
| 7306190000 | Non-stainless steel weld oil and gas pipelines |
| 7306210000 | Stainless steel weld drilled oil and natural gas casing and conduit |
| 7306290000 | Other bores and conduits for drilling oil and gas |
| 7306301100 |
Other iron or non-alloy steel circular cross-section weld pipe diameter ≤ 10 mm, wall thickness ≤ 0.7 mm (fine weld pipe refers to the outside diameter of not more than 406.4mm) |
| 7306301900 |
Other iron or non-alloy steel round cross-section weld pipe diameter ≤ 10 mm, wall thickness> 0.7 mm (fine weld pipe refers to the outer diameter of not more than 406.4mm) |
| 7306309000 | Other iron or non-alloy steel circular cross-section weld pipe, the outer diameter> 10 mm (fine weld pipe refers to the outer diameter of not more than 406.4mm) |
| 7306400000 | Other small cross-section of stainless steel pipe (fine weld pipe refers to the outer diameter of not more than 406.4mm) |
| 7306610000 | Other welded pipe with rectangular or square cross section |
| 7306690000 | Other non-circular cross-section of the other pipe |
| 7306900010 | Multi-walled pipes (direct contact with chemicals made of special corrosion-resistant material) |
| 7306900090 | Not listed other steel pipe and hollow profile |
| 7307110000 | No malleable cast iron pipe fittings |
| 7307190000 | Malleable cast iron and cast steel pipe fittings |
| 7307210000 | Stainless steel flange |
| 7307220000 | Stainless steel threaded elbows, elbows, sleeves |
| 7307230000 | Stainless steel butt weldment |
| 7307910000 | Not listed Steel flange (except stainless steel) |
| 7307920000 | Not listed steel thread elbows, elbows, pipe sets (except stainless steel) |
| 7307930000 | Not listed steel butt welding pieces (except stainless steel) |
| 7307990000 | Not listed Steel Other pipe fittings (except stainless steel) |
