Standard Size | Outside Diameter | Wall Thickness (Type K) | Wall Thickness (Type L) | Wall Thickness (Type M) |
in. | in. (mm) | in. (mm) | ||
1/4″ | 3/8″ (9.52) | 0.035 (0.89) | 0.030 (0.76) | 0.025 (0.64) |
3/8″ | 1/2″ (12.7) | 0.049 (1.24) | 0.035 (0.89) | 0.025 (0.64) |
1/2″ | 5/8″ (15.88) | 0.049 (1.24) | 0.040 (1.02) | 0.028 (0.71) |
5/8″ | 3/4″ (19.05) | 0.049 (1.24) | 0.042 (1.07) | 0.028 (0.71) |
3/4″ | 7/8″ (22.22) | 0.065 (1.65) | 0.045 (1.14) | 0.032 (0.81) |
1″ | 1-1/8″ (28.58) | 0.065 (1.65) | 0.050 (1.27) | 0.035 (0.89) |
1-1/4″ | 1-3/8″ (34.93) | 0.065 (1.65) | 0.055 (1.40) | 0.042 (1.07) |
1-1/2″ | 1-5/8″ (41.28) | 0.072 (1.83) | 0.060 (1.52) | 0.049 (1.24) |
2″ | 2-1/8″ (53.98) | 0.083 (2.11) | 0.070 (1.78) | 0.058 (1.47) |
2-1/2″ | 2-5/8″ (66.68) | 0.095 (2.41) | 0.080 (2.03) | 0.065 (1.65) |
3″ | 3-1/8″ (79.38) | 0.109 (2.77) | 0.090 (2.29) | 0.072 (1.83) |
3-1/2″ | 3-5/8″ (92.08) | 0.120 (3.05) | 0.100 (2.54) | 0.083 (2.11) |
4″ | 4-1/8″ (104.78) | 0.134 (3.40) | 0.110 (2.79) | 0.095 (2.41) |
5″ | 5-1/8″ (130.17) | 0.160 (4.06) | 0.125 (3.18) | 0.109 (2.77) |
6″ | 6-1/8″ (155.57) | 0.192 (4.88) | 0.140 (3.56) | 0.122 (3.09) |
8″ | 8-1/8″(206.37) | 0.271 (6.88) | 0.200 (5.08) | 0.170 (4.32) |