AWS D1.1 Metal grouping

[kdizzle]

I have 2.875od x2.125id. grade 1026-AK A-513 type 5 how can you tell group number(1-5)it
is in the AWS D1.1 2010 book? Its not listed in any groups.

 

[Mr168]

Unlisted materials are not assigned a group number, and consequently may not be welded using a prequalified WPS. The WPS must be qualified in accordance with Clause 4.