Download a pdf version of this data sheet for printing and future reference. (right click and select save to disk) Cold Drawn Seamless Tube DIN 2391/C Grade St 37.4 (Normalized)    Imperial Feedline Tube Sizes Metric OD X Wall mm X mm Imperial OD X Wall INS X SWG Weight KG/Mtr Working Pressure Burst Pressure BAR PSI BAR PSI 6.35 X 0.91 1/4" X 20 0.122 456 6610 1132 16410   7.94 X 0.91 5/16" X 20 0.158 355 5150 882 12780   9.53 X 1.22 3/8" X 18 0.250 402 5830 998 14470 9.53 X 1.63 3/8" X 16 0.318 560 8120 1389 20140   12.7 X 1.22 1/2" X 18 0.345 293 4250 728 10550 12.7 X 1.63 1/2" X 16 0.445 403 5840 1001 14515   15.88 X 1.22 5/8" X 18 0.441 230 3335 572 8290 15.88 X 1.63 5/8" X 16 0.573 315 4570 783 11350 15.88 X 2.03 5/8" X 14 0.694 402 5830 997 14450   19.05 X 1.22 3/4" X 18 0.536 190 2755 472 6840 19.05 X 1.63 3/4" X 16 0.700 259 3755 642 9310 19.05 X 2.03 3/4" X 14 0.852 328 4755 816 11830 19.05 X 2.64 3/4" X 12 1.068 439 6365 1090 15805   25.4 X 1.63 1" X 16 0.956 191 2770 474 6870 25.4 X 2.03 1" X 14 1.170 241 3495 598 8670 25.4 X 2.64 1" X 12 1.482 320 4640 794 11510 25.4 X 3.25 1" X 10 1.775 402 5830 998 14470   31.75 X 1.63 1-1/4" X 16 1.211 151 2190 375 5435 31.75 X 2.03 1-1/4" X 14 1.488 190 2755 472 6845 31.75 X 2.64 1-1/4" X 12 1.895 251 3640 623 9030 31.75 X 3.25 1-1/4" X 10 2.284 314 4550 780 11310 31.75 X 4.06 1-1/4" X 8 2.772 402 5830 997 14455   38.1 X 2.03 1-1/2" X 14 1.806 157 2275 390 5655 38.1 X 2.64 1-1/2" X 12 2.309 206 2985 514 7450 38.1 X 3.25 1-1/2" X 10 2.793 258 3740 641 9295 38.1 X 4.06 1-1/2" X 8 3.408 328 4755 815 11815 Available in 6.1 Mtr lengths Metric Feedline Tube Sizes   Metric OD X Wall mm X mm Weight KG/Mtr Working Pressure Burst Pressure BAR PSI BAR PSI 6.00 X 1.00 0.123 540 7830 1345 19500 8.00 X 1.00 0.173 390 5650 972 14090   10.00 X 1.50 0.314 480 6960 1192 17280 12.00 X 1.50 0.388 390 5650 972 14090 15.00 X 1.50 0.499 306 4430 760 11020 18.00 X 1.50 0.610 251 3640 625 9060   20.00 X 2.50 1.079 390 5650 972 14090 Available in 6 Mtr lengths Interlloy believes the information provided is accurate and reliable. However no warranty of accuracy, completeness or reliability is given, nor will any responsibility be taken for errors or omissions.