All Categories>Copper and Brass>Tubing and Pipe>Tube - Brass (Seamless)> Item # TB-250-028 All CategoriesAll Categories Copper and BrassCopper and Brass Tubing and PipeTubing and Pipe Tube - Brass (Seamless)Tube - Brass (Seamless) Item # TB-250-028 Item # TB-250-028, Tube - Brass (Seamless) TB-250-028 Tube - Brass (Seamless) Request Information Email This Page Download PDF Download PDF Printable Page DOWNLOADS Terminology Sheet Copper & Brass Reference Guide Close Window Leaded Brasses -Flat, stiff, free-cutting brass for blanking; clock, watch, and instrument frames; wheels and so on. Also used for engraving purposes. Commercial Temper Low Leaded12' Mill LengthSpecifications: CDA 330 AMS 4555 ASTM B135UNS C33000 Nominal Composition: Copper: 66% Zinc: 35.5% Lead: 0.5% Unit of Measure ImperialMetricBoth Specifications|Dimensional Specifications Specifications Material N/ABrass Shapeform N/ASeamless Tube Outside Diameter N/A1/4 inches Outside Diameter N/A1/4 inches6.35 mm Wall Thickness (Stubs Gauge) N/A22 gauge Wall Thickness N/A0.028 inches0.7112 mm Weight N/A0.0719 lbs/ft0.10700158 kg/m Weight per 12' PC N/A0.863 lbs0.3913705 kg Nominal Composition N/A0.5% Lead35.5% Zinc66% Copper ASTM Specification N/AAMS 4555ASTM B135CDA 330UNS C33000 Mill Length N/A12 ft Dimensional Specifications Clean-up Allowances for I.D. N/A1/32 inches Clean-up Allowances for O.D. N/A1/32 inches Tolerance for I.D. N/A+0.012 inches-0.033 inches Tolerance for O.D. N/A+0.004 inches-0.006 inches