... steel 3.Certification:ISO9001:2008,TUV 2010, PED20 A182 F1 flangeMainMaterialStainless steel,Carbon steel,Alloy steelWN/BL/PL/SO/SW ... ,PN26.0,PN42.0MPa. MarkingAccording to customers’ special requirementsSizeFrom 1/2 to 200 inch(DN15 to DN 6000) or as ... GCertificateISO9001:2000, TUV ,PEDInspectionin-house and third party Production Process: 1.Material 2.Material Sectioning 3. Heating 4. Forging 5. ...