AVESTA® 2507/P100 rutile-acid electrodes give a high-alloy, duplex weld metal. They are suitable for super duplex steels such as SAF 2507, ASTM S32750, ASTM S32760 and similar. Heat inputs should be generally lower than those used for 2205. However, the somewhat reduced fluidity and penetration (compared to ordinary austenitic stainless steels) must be taken into consideration. To prevent excessive ferrite, or the formation of intermetallic phases, very high quench rates and excessive times at red heat or above should be avoided.

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