... :Carbon Steel,Alloy Steel,Stainless 6" SCH. 80 A53 GR B ERW BEVELED ENDS Pipe TypeApplicationSTANDARDMATERIALAlloy steelpetroleum, chemical industry, electricity, boilerindustry ... , the oxygen in the water, the oil pipeAPI 5L A,B,X42,X46, X52,X56,X60,egStraighe seem steel pipegeneral structure ... size SAW pipePacked in bundle 6" SCH. 80 A53 GR B ERW BEVELED ENDS Pipe