Kobelco; AWS A5.22 E309LT1-1/4; DW-309LH; FCAW(Flux cored wire)


Description

Features:
  • Suitable for dissimilar metal joint of solution heat treatment and underlaying on ferritic steels for overlaying stainless steel weld metals
  • Bi-free type
Classification: AWS A5.22 E309LT1-1/4
Shielding gas: CO2 or Ar-CO2
Polarity: DCEP

 

Packaging data

φ mm Spool
1.2 12.5kg
Volume mm 295W, 110H, 295L

Composition (all-weld metal mass %)

  Typical (CO2) Guarantya
C 0.03 0.04
Si 0.4 1.0
Mn 1.2 0.5-2.5
P 0.02 0.04
S <0.01 0.03
Ni 12.6 12.0-14.0
Cr 23.1 22.0-25.0
Mo 0.02 0.75
Cu 0.02 0.75
Bi <0.0005 -
Note: aSingle values are maximium.

Welding parameters (A)

φ mm 1F, 1G, 2F 2G 3G uphill
1.2 130-270 150-220 130-180

All-weld mechanical properties

  Typical (CO2) Guaranty
0.2%YS (MPa) 380 -
TS (MPa) 590 518min.
EI on 4d (%) 36 30min.

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