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        Seamless Steel Pipes for Pressure Purposes

        Short description
        These pipes are used in the instrument engineering, during the construction of the reservoirs, pipelines as well as in the general instrument engineering and machine building.

        Non-Alloy Steel Tubes with Specified Room Temperature Properties - EN 10216-1, EN 10220.

        Sizes and Weight of Hot-Deformed Pipes

        Outer diameter, mm Sn, mm Weight of 1 m of pipes, kg, with the wall thickness, mm
        4 4.5 5 5.6 6.3 7.1 8 8.8 10 11 12.5 14.2 16
        42.4 2.6 3.79 4.21 4.61 5.08 5.61 6.18 6.79 7.29 - - - - -
        44.5 2.6 - 4.44 4.87 5.37 5.94 6.55 7.2 7.75 8.51 - - - -
        48.3 2.6 - 4.86 5.34 5.9 6.53 7.21 7.95 8.57 9.45 10.1 - - -
        51 2.6 - - 5.67 6.27 6.94 7.69 8.48 9.16 10.1 10.9 11.9 - -
        54 2.6 - - 6.04 6.68 7.41 8.21 9.08 9.81 10.9 11.7 12.8 - -
        57 2.9 - - - 7.1 7.88 8.74 9.67 10.5 11.6 12.5 13.7 - -
        60.3 2.9 - - - 7.55 8.39 9.32 10.3 11.2 12.4 13.4 14.7 16.1 -
        63.5 2.9 - - - - 8.89 9.88 10.9 11.9 13.2 14.2 15.7 17.3 18.7
        70 2.9 - - - - - 11 12.2 13.3 14.8 16 17.7 19.5 21.3
        73 2.9 - - - - - 11.5 12.8 13.9 15.5 16.8 18.7 20.6 22.5
        76.1 2.9 - - - - - 12.1 13.4 14.6 16.3 17.7 19.6 21.7 23.7
        82.5 3.2 - - - - - - 14.7 16 17.9 19.4 21.6 23.9 26.2

        Sizes and Weight of Hot-Deformed Pipes

        Outer diameter,  mm Sn. mm Weight of 1 m of pipes, kg, with the wall thickness, mm
        3.2 3.6 4 4.5 5 5.6 6.3 7.1 8 8.8 10 11 12.5 14.2 16 17.5 20 22.2 25 28 30 32 36
        33.7 2.6 2.41 2.67 - - - - - - - - - - - - - - - - - - - - -
        38 2.6 2.75 3.05 3.35 - - - - - - - - - - - - - - - - - - - -
        42.4 2.6 3.09 3.44 3.79 4.21 - - - - - - - - - - - - - - - - - - -
        48.3 2.6 3.56 3.97 4.37 4.86 - - - - - - - - - - - - - - - - - - -
        51 2.6 3.77 4.21 4.64 5.16 5.67 - - - - - - - - - - - - - - - - - -
        57 2.9 - 4.74 5.23 5.83 6.41 7.1 7.88 - - - - - - - - - - - - - - - -
        60.3 2.9 - 5.03 5.55 6.19 6.82 7.55 8.39 - - - - - - - - - - - - - - - -
        63.5 2.9 - 5.32 5.87 6.55 7.21 8 8.89 - - - - - - - - - - - - - - - -
        70 2.9 - 5.9 6.51 7.27 8.01 8.89 9.9 - - - - - - - - - - - - - - - -
        73 2.9 - 6.16 6.81 7.6 8.38 9.31 10.4 11.5 12.8 13.9 15.5 16.8 - - - - - - - - - - -
        76.1 2.9 - 6.44 7.11 7.95 8.77 9.74 10.8 12.1 13.4 14.6 16.3 17.7 - - - - - - - - - - -
        82.5 3.2 - - - - - - 11.8 13.2 14.7 16 17.9 19.4 21.6 - - - - - - - - - -
        88.9 3.2 - 7.57 8.38 9.37 10.3 11.5 12.8 14.3 16 17.4 19.5 21.1 23.6 26.2 28.8 30.8 - - - - - - -
        101.6 3.6 - - 9.63 10.8 11.9 13.3 14.8 16.5 18.5 20.1 22.6 24.6 27.5 30.6 33.8 36.3 40.2 43.5 - - - - -
        108 3.6 - - 10.3 11.5 12.7 14.1 15.8 17.7 19.7 21.5 24.2 26.3 29.4 32.8 36.3 39.1 43.4 47 51.2 55.2 - - -
        114.3 3.6 - - 10.9 12.2 13.5 15 16.8 18.8 21 22.9 25.7 28 31.4 35.1 38.8 41.8 46.5 50.4 55.1 59.6 - - -
        127 4 - - - - 15 16.8 18.8 21 23.5 25.7 28.9 31.5 35.3 39.5 43.8 47.3 52.8 57.4 62.9 68.4 71.8 75 -
        133 4 - - - - 15.8 17.6 19.7 22 24.7 27 30.3 33.1 37.1 41.6 46.2 49.8 55.7 60.7 66.6 72.5 76.2 79.7 -
        139.7 4 - - - - 16.6 18.5 20.7 23.2 26 28.4 32 34.9 39.2 43.9 48.8 52.7 59 64.3 70.7 77.1 81.2 85 92.1
        152.4 4.5 - - - - 18.2 20.3 22.7 25.4 28.5 31.2 35.1 38.4 43.1 48.4 53.8 58.2 65.3 71.3 78.5 85.9 90.6 95 103
        159.6 4.5 - - - - 19 23.7 23.7 26.6 29.8 32.6 36.7 40.1 45.2 50.7 56.4 61.1 68.6 74.9 82.6 90.5 95.4 100 109

        Sizes and Weight of Hot-Deformed Pipes

        Outer diameter, mm Sn, mm Weight of 1 m of pipes, kg, with the wall thickness, mm
        6.3 7.1 8 8.8 10 11 12.5 14.2 16 17.5 20 22.2 25 28 30 32 36 40 45 50 55 60
        168.3 4.5 25.2 28.2 31.6 34.6 39 42.7 48 54 60.1 65.1 73.1 80 88.3 96.9 102 108 117 127 - - - -
        177.8 5 26.6 29.9 33.5 36.7 41.4 45.2 51 57.3 63.8 69.2 77.8 85.2 94.2 103 109 115 126 136 - - - -
        193.7 5.6 29.1 32.7 36.6 40.1 45.3 49.6 55.9 62.9 70.1 76 85.7 93.9 104 114 121 128 140 152 - - - -
        219.1 6.3 33.1 37.1 41.6 45.6 51.6 56.5 63.7 71.8 80.1 87 98.2 108 120 132 140 148 163 177 193 209 223 -
        244.5 6.3 37 41.6 46.7 51.2 57.8 63.3 71.5 80.6 90.2 98 111 122 135 149 159 168 185 202 221 240 257 273
        273 6.3 41.4 46.6 52.3 57.3 64.9 71.1 80.3 90.6 101 110 125 137 153 169 180 190 210 230 253 275 296 315
        323.9 7.1 - 55.5 62.3 68.4 77.4 84.9 96 108 121 132 150 165 184 204 217 230 256 280 310 338 365 390
        355.6 8 - - 68.6 75.3 85.2 93.5 106 120 134 146 166 183 204 226 241 255 284 311 345 377 408 437

        The pipes with the outer diameter of 229, 254, 267, 298.5, 305, 330, 368, and 377 mm are manufactured by agreement.

        The pipes are delivered by length as follows: length from 6.0 to 12.0 m; the pipes with other length may be delivered by agreement of the Parties.

        The pipes are manufactured of steel of the following grades:

        Steel Grades Chemical Composition Standard
        P195TR1, P195TR2, P235TR1, P235TR2, P265TR1, P265TR2 DIN EN 10216-1

        Mandatory Requirements:

        • carrying out the hydraulic pressure or nondestructive test with the use of electromagnetic method

        At the Customer’s request, it is possible:

        • chamfering;
        • application of protective coating on the pipe surface;
        • nondestructive test for the presence of longitudinal defects

        Seamless Carbon Steel Pipes for High-Temperature Service – ASTM A 106/A106M, ANSI/ASME B36.10M

        These pipes are used for manufacturing of structures, during construction of the steam pipelines, water supply systems, gas- and air pipelines as well as in the general instrument engineering and machine building.  

        Sizes and Weight of Hot-Deformed Pipes

        Size designation Outer diameter Wall thickness Length Unit Weight Weight class*
        inches mm inches mm lb – ft    kg/m
        1 1.315 33.4 0.133 3.38 1.68 2.5 STD
        1 1/4 1.66 42.2 0.14 3.56 2.27 3.39 STD
        1 1/2 1.9 48.3 0.125 3.18* 2.37 3.54  
        0.145 3.68 2.72 4.05 STD
        2 2.375 60.3 0.141 3.58 3.36 5.01  
        0.154 3.91 3.66 5.44 STD
        0.172 4.37* 4.05 6.03  
        0.188 4.78* 4.39 6.54  
        0.218 5.54* 5.03 7.48 XS
        2 1/2 2.875 73 0.141 3.58 4.12 6.13  
        0.156 3.96 4.53 6.74  
        0.172 4.37 4.97 7.4  
        0.188 4.78 5.4 8.04  
        0.203 5.16 5.8 8.63 STD
        0.216 5.49 6.13 9.14  
        0.25 6.35 7.01 10.44  
        0.276 7.01 7.67 11.41 XS
        3 3.5 88.9 0.141 3.58 5.06 7.53  
        0.156 3.96 5.58 8.29  
        0.172 4.37 6.11 9.11  
        0.188 4.78 6.66 9.92  
        0.216 5.49 7.58 11.29 STD
        0.25 6.35 8.69 12.93  
        0.281 7.14 9.67 14.4  
        0.3 7.62 10.26 15.27 XS
        0.438 11.13 14.32 21.35  
        0.6 15.24 18.6 27.68 XXS
        3 1/2 4 101.6 0.156 3.96 6.41 9.53  
        0.172 4.37 7.03 10.48  
        0.188 4.78 7.66 11.41  
        0.226 5.74 9.12 13.57 STD
        0.25 6.35 10.02 14.92  
        0.281 7.14 11.17 16.63  
        0.318 8.08 12.52 18.63 XS
        4 4.5 114.3 0.156 3.96* 7.24 10.78  
        0.172 4.37 7.95 11.85  
        0.188 4.78 8.67 12.91  
        0.203 5.16 9.32 13.89  
        0.219 5.56 10.02 14.91  
        0.237 6.02 10.8 16.07 STD
        0.25 6.35 11.36 16.9  
        0.281 7.14 12.67 18.87  
        0.337 8.56 14.98 22.32 XS
        0.438 11.13 19 28.32  
        0.531 13.49 22.51 33.54  
        0.674 17.12 27.57 41.03 XXS
        5 5.563 141.3 0.258 6.55 14.62 21.77 STD
        0.375 9.53 20.78 30.97 XS
        0.5 12.7 27.04 40.28  
        0.625 15.88 32.96 49.11  
        0.75 19.05 38.59 57.43 XXS
        6 6.625 168.3 0.25 6.35 17.04 25.36  
        0.28 7.11 18.97 28.26 STD
        0.312 7.92 21.04 31.32  
        0.344 8.74 23.08 34.39  
        0.375 9.53 25.03 37.28  
        0.432 10.97 28.57 42.56 XS
        0.5 12.7 32.74 48.73  
        0.562 14.27 36.39 54.2  
        0.625 15.88 40.09 59.69  
        0.719 18.26 45.35 67.56  
        0.75 19.05 47.1 70.12  
        0.864 21.95 53.21 79.22 XXS
        0.875 22.23 53.73 80.07  
        8 8.625 219.1 0.25 6.35* 22.38 33.32  
        0.277 7.04 24.7 36.81  
        0.312 7.92 27.7 41.24  
        0.322 8.18 28.55 42.55 STD
        0.344 8.74 30.42 45.34  
        0.375 9.53 33.04 49.25  
        0.406 10.31 35.64 53.08  
        0.438 11.13 38.3 57.08  
        0.5 12.7 43.39 64.64 XS
        0.562 14.27 48.44 72.08  
        0.594 15.09 50.95 75.92  
        0.625 15.88 53.45 79.59  
        0.719 18.26 60.71 90.44  
        0.75 19.05 63.14 93.98  
        0.812 20.62 67.76 100.92  
        0.875 22.23 72.42 107.92 XXS
        0.906 23.01 74.69 111.27  
        10 10.750 273 0.344 8.74 38.23 56.98  
        0.365 9.27 40.48 60.31 STD
        0.438 11.13 48.28 71.88  
        0.500 12.7 54.74 81.55 XS
        0.562 14.27 61.21 91.05  
        0.594 15.09 64.43 96.01  
        0.625 15.88 67.65 100.69  
        0.719 18.26 77.03 114.7  
        0.812 20.62 86.26 128.34  
        0.844 21.44 89.29 133.09  
        0.875 22.23 92.28 137.52  
        0.938 23.83 98.30 146.48  
        1.000 25.4 104.13 155.15 XXS
        1.125 28.58* 115.64 172.33  
        12 12.750 323.8 0.344 8.74* 45.58 67.93  
        0.375 9.53 49.56 73.88 STD
        0.406 10.31 53.52 79.73  
        0.438 11.13 57.59 85.84  
        0.500 12.7 65.42 97.46 XS
        0.562 14.27 73.15 108.92  
        0.625 15.88 81.01 120.59  
        0.688 17.48 88.63 132.04  
        0.750 19.05 95.21 143.17  
        0.812 20.62 103.63 154.17  
        0.844 21.44 107.32 159.86  
        0.875 22.23 110.97 165.37  
        0.983 23.83 118.33 176.33  
        1.000 25.4 125.49 186.97 XXS
        1.062 26.97* 132.57 197.48  
        1.125 28.58* 139.67 208.14  
        1.250 31.75* 153.53 228.74  
        1.312 33.32* 160.27 238.76  
        14 14.000 355.6 0.344 8.74* 50.17 74.76  
        0.375 9.53 54.57 81.33 STD
        0.438 11.13 63.44 94.55  
        0.594 15.09 85.05 126.71  
        0.750 19.05 106.13 158.1  

        *The pipes being delivered are produced of carbon steel grades with the wall thickness designated with an asterisk being made by agreement with

        the Manufacturer and without ultrasonic test.

        STD –Standard Weight Class; XS –Super Strength Weight Class

        XXS – Double-Strength Weight Class

        pipes are delivered by weight as follows:

        • from 20 feet to 40 feet (from 6.0 to 12.0 m);
        • unless otherwise stated, the pipes are manufactured with the lengths as follows:
          • single (SRL) – 4.8 to 6.7 m (16 to 22 feet), up to 5 %  pipes of the order are manufactured with the length ranging from 3.7 to 4.8 m
          • (DRL) – no shorter than 6.7 m (22 feet), at the same time, the average pipe length should be not less than 10.7 m (35 feet), up to 5 %  pipes of the order are manufactured with the length ranging from 4.8 to 6.7 m (16 to 22 feet)

        The pipes are manufactured of steel of the following grades:

        Steel Grades Chemical Composition Standard
        A, B, C ASTM A106/A106M

        Mandatory Requirements:

        • carrying out the hydraulic pressure or nondestructive test;
        • carrying out the flattening test;
        • application of a chamfer on the pipes (with the diameter of 60.3 mm and over and the wall thickness of 5 mm and over), unless otherwise provided for by the Contract;

        At the Customer’s request, it is possible:

        • delivery of pipes without the hydraulic pressure and nondestructive test;
        • carrying out the nondestructive test
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