Electrode selection as per Base Metal with Preheat, …
8 5Cr-1/2Mo A335 P5 A213 T5 A234 WP5 A182 F5 A217 C5 A387 Gr.5 E502 E8018-B6 ER502 9 7Cr-1/2Mo A335 P7 A213 T7 A234 WP7 A182 F7 - A387 Gr.7 E7 Cr. - ER7 Cr ... ASTM Specification PIPE TUBE WROUGHT FITTING Stainless steels Austentic 4 r BASE MATERIAL P. Number 8 Carbon Steel 6 Martensinc & Ferrite 7