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MIDALLOY CHROMAX E2209-16 COATED ELECTRODE???CLASSIFICATION? AWS/SFA 5.4Class E2209-16 / ASME SFA 5.4 Class E2209-16 / ASME Sec. IX, F5, A8???DESCRIPTION? MIDALLOY CHROMAX E2209-16 is an all-position coated electrode used to weld standard duplex stainless?steels such as UNS S31803.? This product over-matches the base metal by 2-3% in nickel content, so as to give the correct balance of?austenite and ferrite in the microstructure in the as-welded condition.? This product will run on alternating or direct current.??APPLICATION? MIDALLOY CHROMAX E2209-16 is used for pipe work and general fabrication in the offshore oil, gas, and?chemical process industries.? Alloy offers high strength with good ductility and excellent corrosion resistance.? Can be used to weld duplex to carbon and to austenitic stainless if high ferrite if OK.??
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