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3

Iron and steel

Steel tubes and pipes, tubular steel products

Steel tubes and pipes

3010.11

Sewage water pipes

3010.12

Exhaust gas tubes

3010.33

Flame tubes

3010.34

Flanged pipes

3010.39

Scaffold tubes

3010.40

Threaded pipes

3010.41

Commercial quality tubes

3010.45

Hydraulic tubes

3010.51

Chimney tubes

3010.52

Boiler tubes

3010.54

Structural tubes

3010.59

Pipes, also with plastic sheating or cement mortar lining

3010.74

Pneumatic tubes

3010.78

Tubes for flexible pipelines

3010.80

Round pipes, longitudinally welded

3010.81

Express coupling pipes

3010.82

Spiral-grill pipes

3010.83

Large-diameter steel pipes

3010.84

Steel conduits

3010.86

Steel tubes, welded

3010.88

Steel tubes, finless

3010.89

Thick-walled tubes, welded

3010.90

Thick wall tubes, seamless

3010.91

Support roller pipes

3010.96

Roller bearing steel pipes, seamless

3010.97

Corrugated pipes

3010.98

Folded spiral seam tubes

3010.99

Cylinder tubes