brass pipe C28000/CuZn40,C27200/CuZn37 O.D3-159,W.T0.5-15.0 standards:ASTM B135 M-96 temper:O50 O60 straight brass pipe C26200,C2700,C27200,C28001.Specifications:O.D3-159,W.T0.5-15.02.Mechanical property and usage:possessed with good mechanical strength and technical performance,with a beautiful surface ,which r widely used in lamps ,lanterns,sanitary ware,valve body,pen manufacturing, ...