... Size, Actual Size, Wall Thickness, Standard Length of Drawn Type K copper tube Nominal SizeActual SizeWall ThicknessStandard LengthTemperininmminmminmm1/43/89.520 ... .1092.77206.096drawn 9.Application: -Copper tubes of type K are thick walled, much thicker than type L and M ... snow melting, steam and vacuum systems. -copper tubes of type K can be used sweat, flared and compression fittings. Available in ...