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Union ER90S-B3 GTAW rod for 2.25 % Cr 1 % Mo alloyed boiler, plate and tube steels as well as in oil refineries. Preferably used for base metal 10CrMo9- 10 (ASTM A335 P22). Approved in long-term condition up to +1112°F service temperature.
Features
Weld metal meets all pre-requisites for reliable long term creep properties without embrittlement due to very low content of trace elements
Very good operating characteristics
*For step- cooling applications we can offer special products
Applications
Used with similarly alloyed quenched and tempered steels, as well as case hardening steels
