Tubular Rod For The Root Pass Welding Of Carbon Steel Pipe To Austenitic Stainless Steel Pipe
TFN-309L
CLASSIFICATION
AWS A5.22 R309LT1-5 | JIS Z 3323 TS309L-R1
APPLICATIONS AND MATERIALS TO BE WELDED
Used primarily for the root pass welding of carbon steel pipe to austenitic stainless steel pipe when inert gas backing purge is either not possible or not desirable.
OTHER DATA
100% argon mainly use as shielding gas