... COPPER WATER TUBE TYPE M, Type K, Type L copper tubes:AMERICAN STANDARD ASTM B88 SEAMLESS COPPER WATER TUBESTANDARD LENGTHSThe standard ... .03ft) and 6.096m(20ft).Annealed tube, in 60ft coils (18.288m), is available in nominal 3/8, 1/2, 5 ... ",3-1/2",4",5",6",8",10",12" copper tubes