Arsenical brass tube: C26130, C26000, C26200,C27000, C27200, C28000 and other copper ... Seamless condenser and heat-exchangers tube series: Admiralty brass tube ( HSn70-1/C44300/CuZn28Sn1As ) and Aluminum brass tube (HAl77-2/C68700/CuZn20Al2As) etc ... /C71500/CuNi30Mn1Fe and other copper nickel alloy tubes;Seamless Brass tube and Arsenical brass tube series: C26130, C26000, C26200,C27000, C27200, C28000 ...