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| Commodity | 2009 | 2010 | 2011 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of non-malleable ... | $2,315 | $717 | $9,136 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of iron (excl. n ... | $720,278 | $268,765 | $473,947 |
| Flanges of stainless steel | $13,050 | $13,716 | $29,982 |
| Threaded elbows, bends & sleeves of stainless steel | $37,140 | $43,442 | $406,685 |
| Butt welding fittings of stainless steel | $76,704 | $63,544 | $55,427 |
| Tube/pipe fittings of stainless steel (excl. of 7307.21-7307.23) | $532,250 | $1,742,920 | $1,872,150 |
| Flanges of iron/steel (excl. of cast iron/stainless steel) | $266,181 | $374,230 | $1,269,825 |
| Threaded elbows, bends & sleeves of iron/steel (excl. of cast iron/stainles ... | $167,094 | $254,670 | $231,845 |
| Butt welding fittings of iron/steel (excl. of cast iron/stainless steel) | $41,343 | $44,960 | $120,232 |
| Tube/pipe fittings of iron/steel (excl. cast iron/stainless steel; excl. of ... | $890,028 | $1,015,525 | $1,811,655 |
| Total | $2,746,383 | $3,822,489 | $6,280,884 |
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