AWS: A5.29 (E91T1-B9M)
Alloy Type: Low Alloy
High strength, low alloy FCAW wire for all-position welding of 9Cr-1Mo steels, such as ASTM A387 Grade 91, A335 P91 piping, and A213 T91.
AWS Mechanical Requirements (Stress Relieved 1hr at 1650°F)*
|Tensile (ksi)||Yield (ksi)||%El|
|90 – 120||78||16|