... N80Connection Type: LTC, STC, BTCSize Destination: 4 1/2''-20''Wall thickness:5.21mm~16.13mmLength: R1, R2, R3Weight ... Destination: 9.50-133.00OD: 4.500''-20''(114.3mm-508.00mm)WT: 0.205''-0.635''( ... API SPEC5CT,API5L,API5CT,ASTM A53,ASTM A 106,GB/T 3091-2008,EN10217-2, EN10217-53.High quality, ... and API number, origin, or as required7 Loaded in 20" 40" container, or in bulk. if you interest ...