Haynes 230-W description: HAYNES 230-W RTW filler metal is used for the gas tungsten arc and gas metal arc welding of HAYNES 230 alloy. The fi ller metal may also be used to weld UNS N06617 The deposited weld metal combines excellent high temperature strength and oxidation resistance with superior long term stability and good fabricability. The RTW finish on the spooled wire promotes smooth feeding through welding equipment and reduced tip wear in contact tips.