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Home > Seamless Steel Pipe Introduction > Approximate Weights > Caps
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Approximate Weights of Buttwelding Fittings - Caps

NPS DIN S3 SGP/LG Sch5s Sch10s Sch40s Sch80s Sch5 Sch10 Sch20 Sch30
½ 0.06 0.03 0.02 0.03 0.03 0.05 0.02 0.03 - 0.03
¾ 0.07 0.04 0.03 0.04 0.06 0.09 0.03 0.04 - 0.05
1 0.09 0.08 0.05 0.09 0.10 0.13 0.05 0.09 - 0.09
1¼ 0.11 0.11 0.07 0.11 0.14 0.18 0.07 0.11 - 0.12
1½ 0.20 0.15 0.08 0.13 0.17 0.22 0.08 0.13 - 0.15
2 0.28 0.23 0.10 0.17 0.23 0.31 0.10 0.17 - 0.19
2½ 0.34 0.34 0.16 0.23 0.37 0.45 0.16 0.23 - 0.34
3 0.53 0.51 0.25 0.37 0.64 0.86 0.25 0.37 - 0.56
3½ - 0.70 0.34 0.56 0.95 1.32 0.34 0.56 - 0.79
4 1.00 0.88 0.41 0.59 1.14 1.59 0.41 0.59 - 0.90
5 1.14 1.29 0.81 0.99 1.91 2.63 0.81 0.99 - -
6 2.65 1.99 1.13 1.39 2.91 4.27 1.13 1.39 - -
8 5.55 3.61 1.76 2.38 4.99 7.72 1.76 2.38 4.09 4.54
10 8.00 6.33 3.35 4.13 9.08 11.8 3.35 4.13 6.36 7.72
12 9.90 9.43 5.54 6.39 13.2 17.3 5.54 6.39 9.08 11.8
14 13.5 13.2 6.62 7.99 15.9 20.4 6.62 10.7 13.2 15.9
16 18.2 16.6 8.82 10.1 20.4 26.3 8.82 13.5 16.8 20.4
18 26.0 21.2 11.3 12.9 25.9 33.6 11.3 17.2 21.8 30.4
20 38.0 26.4 16.0 18.5 32.2 42.7 16.0 21.5 32.2 42.7
22 - 31.5 19.5 22.6 37.7 49.9 19.5 26.3 　 　
24 59.0 36.6 26.2 30.1 46.3 59.5 26.2 30.1 46.3 66.7
26 - 41.0 - - - - - - 66.3 -
28 74.5 45.5 - - - - - - 75.0 -
30 - 50.3 - - - - - - 84.4 99.0
32 90.7 55.4 - - - - - - 91.2 -
34 - 62.3 - - - - - - 100 -
36 108 68.0 - - - - - - 109 -
38 - 79.0 - - - - - - - -
40 136 95.0 - - - - - - - -
42 - 92.0 - - - - - - - -
44 - 103 - - - - - - - -
46 - 111 - - - - - - - -
48 190 118 - - - - - - - -
NPS STD Sch40 Sch60 XS Sch80 Sch100 Sch120 Sch140 Sch160 XXS
½ 0.03 0.03 - 0.05 0.05 - - - - -
¾ 0.06 0.06 - 0.09 0.09 - - - - -
1 0.10 0.10 - 0.13 0.13 - - - 0.16 0.20
1¼ 0.14 0.14 - 0.18 0.18 - - - 0.22 0.29
1½ 0.17 0.17 - 0.22 0.22 - - - 0.29 0.36
2 0.23 0.23 - 0.31 0.31 - - - 0.50 0.59
2½ 0.37 0.37 - 0.45 0.45 - - - 0.82 1.00
3 0.64 0.64 - 0.86 0.86 - - - 1.41 1.77
3½ 0.95 0.95 - 1.32 1.32 - - - - 2.63
4 1.14 1.14 - 1.59 1.59 - 2.32 - 2.72 3.18
5 1.91 1.91 - 2.63 2.63 - 3.90 - 4.54 5.45
6 2.91 2.91 - 4.27 4.27 - 5.90 - 7.26 8.63
8 4.99 4.99 6.36 7.72 7.72 10.9 12.7 14.1 15.4 15.0
10 9.08 9.08 11.8 11.8 16.3 20.0 22.3 25.9 28.6 -
12 13.2 14.5 22.3 17.3 26.8 32.2 36.8 40.9 45.4 -
14 15.9 18.6 27.7 20.4 34.5 38.6 49.9 54.5 59.0 -
16 20.4 26.3 38.1 26.3 47.7 54.5 63.6 74.9 81.7 -
18 25.9 41.8 54.9 33.6 67.7 90.8 104 109 116 -
20 32.2 54.9 73.6 42.7 91.3 125 136 159 191 -
22 37.7 - - 49.9 - - - - - -
24 46.3 93.1 128 59.5 155 166 195 216 241 -
26 49.9 - - 66.3 - - - - - -
28 56.2 - - 75.0 - - - - - -
30 62.2 - - 84.4 - - - - - -
32 68.4 - - 91.2 - - - - - -
34 75.0 - - 100 - - - - - -
36 82.0 - - 109 - - - - - -
38 95.0 - - 126 - - - - - -
40 102 - - 137 - - - - - -
42 110 - - 147 - - - - - -
44 126 - - 167 - - - - - -
46 134 - - 179 - - - - - -
48 143 - - 191 - - - - - -

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