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AWS ER90S-B3, UNS K30960, ER62S-B3
<p>AWS ER90S-B3 is a weld metal formulated for joining alloy steels. Cited properties are appropriate for the post-weld heat treated (PWHT) condition. ER90S-B3 is the AWS designation for this material. K30960 is the UNS number.</p>