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Seamless Steel Pipe is used for high pressure applications such as oil and gas piping because this type of job required the highest safety which means the pipe must not break down.  

Size Outside Diameter Weight (kg.)
inch mm 1.2 mm 1.4 mm 1.6 mm 1.8 mm 2.0 mm 2.3 mm 2.6 mm 2.8 mm 3.0 mm 3.2 mm 3.5 mm 4.0 mm 4.5 mm 5.0 mm 5.5 mm 6.0 mm
   1/2  21.7 3.5 4 4.6 5.2 5.8 6.6 7.3 7.6 8.1 - - - - - - -
   3/4  27.2 4.3 5 5.8 6.5 7.3 8.3 9.4 10 11.5 - - - - - - -
1        34 5.5 6.4 7.3 8.3 9 10.5 12 12.8 13.7 14.7 15.7 18 - - - -
1   1/4  42.7 7 8.3 9.5 10.6 12 13.5 15 16.5 17.7 19 20.6 23.6 - - - -
1   1/2  48.6 8 9.5 10.8 12 14 16 18 19 20.5 22 23.6 27 - - - -
2        60.5 10.4 12 13.8 15.6 17.3 20 22.5 24.2 26 27.7 30 34 38 - - -
2   1/2  76.3 - 15.3 17.5 20 22 25 28 30.5 33 35 38.5 44 49 - - -
3        89 - 18 21 23 26 30 34 36 38 41 45 58 - - - -
3   1/2  101.6 - - 23 26 29 33 37 40 - - 23 26 29 33 37 40
4        114.3 - - 27 30 33 38 44 47 50 53 58 67 75 82 90 98
5        139.8 - - - - 40 45 52 56 60 64 70 80 90 100 110 120
6        165.2 - - - - 48 55 63 68 73 78 84 96 107 120 133 145
8        316.9 - - - - 61 71 81 88 94 100 110 126 141 158 175 190

 

Note: Special spec and customized steel can be ordered via +66(38) 026 509 Hot-Dip and Coated Primer Services are avaliable

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