General characteristics
The nominal composition (wt. %) of this classification is 22.5 Cr, 8.5 Ni, 3 Mo, 0.15 N. Primarily to weld duplex stainless steels which contain approximately 22 percent chromium
These alloys are finding widening application in the offshore oil/gas, chemical and petro-chemical process industries for their good resistance to stress corrosion cracking and pitting corrosion with typical pitting resistance equivalent number (PREN) of 35-36. The weld metal poses a high tensile and yield strength. Deposits of this alloy have “duplex” microstructures consisting of an austenite-ferrite matrix.

Products of the line 2209

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