OK Tigrod 13.38 (ER90S-B9)

A non copper coated, low-alloyed, (9CrMoVN), rod for GTAW of high-temperature steels and steels for hot
hydrogen service especially in oil refineries. Preferably used for 9 % Cr steels as e.g. P 91/T 91 steels.
The alloy is modified as regards limits of impurity elements and is extremely "clean". This to receive improved
strength levels both at room temperature and at higher temperatures.
 
 
SFA/AWS A5.28 ER90S-B9