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Seamless pipe O.D. 108mm x 10mm Wth. approx. 20 Ton - 830 meter.Seamless pipe O.D. 168.3mm x 17.5mm Wth. approx. 228.2 Ton - 3500 meter.Seamless pipe O.D. 168.3mm x 25mm Wth. approx. 51.8 Ton - 590 meter.The seamless pipes have to be made of high tensile steel having following quality;Yield stress minimum 690 N/mm2Tensile strength minimum 830 N/mm2Impact test (Charpy V-notch): min. average value (J) 69 (L) min. single value (J) 48 (L) test temperature -40C Elongation, A5 (%) 15 Hardness (HB) 240-290Please give your best price and delivery time on or 16:00 hours Thursday 23rd of March 2006.Delivery time is very critical, so please make sure that the delivery time is correct/checked with factory. seamless pipe Seamless pipe, piping materials, valves