The latest SA106B seamless pipe specification sheet by the end of 2014 Seamless pipe weight formula: [(OD - wall thickness) * wall thickness] * 0.02466 = kg / m (weight per meter) 18 * 3 42 * 6 89 * 8 159 * 9.5 18 * 4 42 * 8 89 * 9 159 * 10 18 * 5 45 * 3 89 * 10 159 * 12 19 * 2 45 * 4 89 * 11 159 * 14 21 * 4 45 * 5 89 * 12 159 * 16 22 * 2.5 45 * 6 108 * 4.5 159 * 18 22 * ​​3 45 * 7 108 * 5 159 * 20 22 * ​​4 48 * 4 108 * 6 159 * 28 22 * ​​5 48 * 4.5 108 * 7 168 * 6 25 * 2.5 48 * 5 108 * 8 168 * 7 25 * 3 48 * 6 108 * 9 168 * 8 25 * 4 48 * 7 108 * 10 168 * 9.5 25 * 5 48.3 * 12.5 108 * 12 168 * 10 25 * 5.5 51 * 3 108 * 14 168 * 11 27 * 3.5 51 * 3.5 108 * 15 168 * 12 27 * 4 51 * 4 108 * 16 168 * 14 27 * 5 51 * 5 108 * 20 168 * 15 27 * 5.5 51 * 6 114 * 5 168 * 16 28 * 2.5 57 * 4 114 * 6 168 * 18 28 * 3 57 * 5 114 * 7 168 * 20 28 * 3.5 57 * 5.5 114 * 8 168 * 22 28 * 4 57 * 6 114 * 8.5 168 * 25 30 * 2.5 60 * 4 114 * 9 168 * 28
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