size From1/2” to 72” thickness SCH20,SCH30,SCH40,STD,SCH80,SCH100,SCH120,SCH160,XXS standard ASME B16.9 MSS SP-75 DIN2615 JISB2311 JISB2312 JISB2313 material carbon steel stainless steel Alloy steel (seam&seamless) qualification ISO9001 API CE packing Wooden case&pallets Application Petroleum, chemical, machinery, electric power, shipbuilding, papermaking, construction, etc Equipment Press machine,Bend machine,Pushing machine,Grooveing machine,Gush arenaceous,etc,etc Testing direct reading spectrometer,Hydrostatic test,X-Ray flaw detector,Ultrasonic flaw detector,Magentic particle inspection,etc Special design available as the requirement of customer