... SHALL DO OUR BEST TO OFFER YOU THE HIGH QUALITY PRDUCTS, THE MOST FAVOURABLE PRICE AND THE BEST SERVICE. LOOKING FORWARD TO YOUR ... API 5L,ASTM A179BS1387GB/T8162-2008,GB/T8163-20083.MATERIALGR.B,10#,20#,45#,16Mn,ST42-ST524.OUTER DIAMETER355.6-610MM5 ... STEEL STRIPS10.APPLICATIONA.CARRYING GAS,WATER OR OIL IN THE INDUSTRIES OF PETROLEUM AND NATURAL GASB.FOR REFINERY,HEAT-EXCHANGING PIPE OR PIPELINEC ...