Size : 12"NB TO 4"NB IN, Class : 3000 LBS, 6000 LBS, 9000 LBS, Type : Socket Weld (SW) & SCREWED (SCRD) NPT, BSP, BSPT, Form : 45 Deg Elbow, 90 Deg Elbow, Forged Elbow, Threaded Elbow, Socket Weld Elbow, Carbon Steel 45 Deg. Forged Elbow CS 45 Deg. Forged ElbowASTMA 105A694 Gr. F42465256606570.