ASTM B 111 C68700 Aluminum Brass Tube Standard :ASTM B-111 C68700,C71500 ect. Size:OD.6.35mm-101.6mm WT. 0.4-9.398mm ASTM B 111 C68700 Aluminum Brass Tube Standard :ASTM B-111 C68700,C71500 ect.Size:OD.6.35mm-101.6mm WT. 0.4-9.398mmPackaging: As per customer's requestUsage :Heat Exchanger ,Condenser ASTM B 111 C68700 Aluminum Brass Tube