... " Thickness:sch5s-sch160,XS,XXS Standard:ASTM,ASME,DIN,JIS Certificate:API,ISO,CCS DIN2631 WELDINGNECK FLANGE Types of flangeWeld neck flange ... , 900, 1500, 2500 ClassStandardANSI B16.5, ASME B16.47A/B, DIN/UNI/BS/JISMaterialCarbon Steel, Stainless Steel, Alloy Steel Types of ... of advanced paymentCertificateAPI, CCS,and ISO9001:2000Productivity10000 ton per monthKeywords DIN 2631 WELDING NECK FLANGE