Commodity200520062007200820092010
Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of non-malleable ...$8,930$1,356$16,692$191,482$63,529 
Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of iron (excl. n ...$7,398$17,098$15,180$281,650$17,673$120,281
Flanges of stainless steel$16,039$32,757$79,320$5,710$8,961$2,873
Threaded elbows, bends & sleeves of stainless steel$4,291$276$5,064$24,107 $20,983
Butt welding fittings of stainless steel$727 $2,711 $169 
Tube/pipe fittings of stainless steel (excl. of 7307.21-7307.23)$1,214,330$1,354,006$1,460,133$1,506,667$1,665,142$3,500,293
Flanges of iron/steel (excl. of cast iron/stainless steel)$871$536$103,815$30,533$2,828$411
Threaded elbows, bends & sleeves of iron/steel (excl. of cast iron/stainles ...$23,699$8,067$12,509$38,688$30,053$20,579
Butt welding fittings of iron/steel (excl. of cast iron/stainless steel)$3,049 $367 $13,365$1,176
Tube/pipe fittings of iron/steel (excl. cast iron/stainless steel; excl. of ...$30,600$46,028$358,444$299,116$128,449$168,768
Total$1,309,934$1,460,124$2,054,235$2,377,953$1,930,169$3,835,364