ARSD 74:02:04:49. Copper casing specifications

Copper casing must be type K hard. Examples are in Table 3, as follows: Table 3 Nominal Diameter Weight in in inches pounds per foot 1 0.84 1 ¼ 1.04 1 ½ 1.36 2 2.06 2 ½ 2.93 3 4.00 3 ½ 5.12 4 6.51 Types L and M hard copper casing may be used for recasing wells. Copper casing shall meet or exceed ASTM B 88-89, "Standard Specification for Seamless Copper Water Tube," November 10, 1989.