7304
73049000
Seamless steel pipes and hollow profiles not listed (except for casting)
73044100
Cold-drawn or cold-rolled stainless steel seamless round tube
73042900
Other casings and conduits for drilling oil and gas (except for cast iron)
73043100
Cold-drawn or cold-rolled seamless boiler tubes made of iron or non-alloy steel
7306
Other steel pipes and hollow profiles (for example, roll seam, welding, riveting and similar methods)
73043900
Seamless boiler tubes of non-cold or cold rolled iron or non-alloy steel
73043900
Other seamless circular section tubes made of non-cold or cold rolled iron or non-alloy steel
73044900
Other seamless circular section tubes made of stainless steel that are not cold drawn or cold rolled
73045100
Other seamless circular section tubes made of cold-drawn or cold-rolled other alloy steel
Go here if you are looking for the "erw pipe hs code".
