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| Commodity | 2009 | 2010 | 2011 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of iron (excl. n ... | $3,407 | $1,501 | $24,862 |
| Flanges of stainless steel | | | $101 |
| Threaded elbows, bends & sleeves of stainless steel | $247 | | |
| Butt welding fittings of stainless steel | $4,482 | | $201 |
| Tube/pipe fittings of stainless steel (excl. of 7307.21-7307.23) | $109 | $126 | $285 |
| Flanges of iron/steel (excl. of cast iron/stainless steel) | $31,815 | | $366 |
| Threaded elbows, bends & sleeves of iron/steel (excl. of cast iron/stainles ... | $185,153 | | |
| Butt welding fittings of iron/steel (excl. of cast iron/stainless steel) | $50 | | $155 |
| Tube/pipe fittings of iron/steel (excl. cast iron/stainless steel; excl. of ... | $298,202 | $5,490 | $3,289 |
| Total | $523,465 | $7,117 | $29,259 |
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