Submerged arc welding of pipeline steel. Optimised for multi arc welding using DSAW (two-run) technique. For applications in sour gas service.
Low alloy wire with Ti and B additions optimised for multi-arc welding using a two run technique.
EN 10208-2: L360-L555
API: 5L grades X52-X80
Preheat and interpass temperature requirements will be dependent on specific process, procedure and code requirements. Ti-B micro-alloyed weld deposits are left in the as-welded condition.
SAW: UP-S2 MoTiB and UP-S3 MoTiB