HS Code: 73045920
Product Description: Geo casng/drill pipe, alloy s o/t stnls,smls, circ cs,nt cld...
Product Chinese description: 非冷拔或冷轧其他合金钢无缝地质钻管、套管

HS Code: 73045990
Product Description: Tube/pipe., alloy s o/t stnls,smls, circ cs, not cold dr/rl,...
Product Chinese description: 未列名非冷拔或冷轧的合金钢无缝圆形截面管

HS Code: 73049000
Product Description: Tubes, pipe & hollow profiles, i/s, smls, nes
Product Chinese description: 其他无缝钢铁管及空心异型材（铸铁的除外）

HS Code: 73051100
Product Description: Pipe,line,i/s,longitudinally subm arc wld,int/ext cs,dia〉406...
Product Chinese description: 纵向埋弧焊石油或天然气管道管，外径≥406.4mm

HS Code: 73051200
Product Description: Pipe,line,i/s,longitudinally wld w int/ext circ cs,ext dia〉4...
Product Chinese description: 其他纵向焊石油或天然气管道管，外径≥406.4mm

HS Code: 73051900
Product Description: Pipe, line,i/s, int/ext circ cross sect, wld, ext dia〉406....
Product Chinese description: 其他石油或天然气管道管，外径≥406.4mm

HS Code: 73052000
Product Description: Casings,i/s,int/ext circ c sect,wld ext dia〉406.4mm,o/g...
Product Chinese description: 其他钻探石油或天然气套管，外径≥406.4mm

HS Code: 73053100
Product Description: Tubes & pipe, i/s, longitudinally welded, external dia〉406.4...
Product Chinese description: 其他纵向焊圆形截面钢铁管，外径≥406.4mm

HS Code: 73053900
Product Description: Tubes & pipe,i/s,welded, riveted/sim closed,ext dia〉406.4mm,...
Product Chinese description: 其他焊接的圆形截面钢铁管，外径≥406.4mm

HS Code: 73059000
Product Description: Tubes & pipe, i/s, riveted/sim closed, ext dia〉406.4mm, nes
Product Chinese description: 其他圆形截面钢铁管，外径≥406.4mm