GM 25.10.4L, ER 25.9.4
AWS/SFA 5.9 : ER 25.9.4
Solid super duplex stainless wire for welding super duplex stainless steels.
CHEMICAL ANALYSIS (RANGE) %
MECHANICAL PROPERTIES (RANGE)
Pumps and valves, corrosion / wear resisting parts and process equipment for use in offshore oil and gas industries, pulp, paper and textile industries, and chemical and petrochemical plant.
MATERIALS TO BE WELDED
MICROSTRUCTURE : In the solution treated condition the microstructure is duplex with about 30-60% ferrite dependent upon dilution.
INTERPASS TEMPERATURE : 100ºC max
HEAT INPUT : 0.5-1.5k l/mm
SCALING TEMPERATURE : Approx 850ºC (air)
CORROSION TEMPERATURE : Very good resistance to pitting and stress corrosion cracking in Chloride containing environments. Pitting resistance in accordance with ASTM G-48A better than 40ºC