Commodity20092010
Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... $21
Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ...$16,104$240,114
Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... $140
Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ...$42 
Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... $272
Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ...$12,781$17,968
Total$28,927$258,515