pipe fittings Our carbon steel tees adopt the advanced hydraulic pressure technique. low price and high q pipe fittings(bigbore Carbon or Alloy steel elbows fittings)Features Specificationspipe fittingsMaterialA234-WPB.A420-WPL6.A234-WP12.A234-WP11.A234-WP5. SIZE1/2"-48", DN15-DN1200 PRESSURESch5-Sch160, XXSSTANDARDSISO, ANSI, JIS, DIN GB/T12459, GB/T13401, ASME B16.9, USEPetroleum, chemical, ...