Kobelco; AWS A5.22 E309T0-1/4; DW-309; FCAW(Flux cored wire)


Description

Features:
  • Suitable for dissimilar-metal joint and underlaying on ferritic steels
Classification: AWS A5.22 E309T0-1/4
Shielding gas: CO2 or Ar-CO2
Polarity: DCEP

 

Packaging data

φ mm Spool Drum
1.2 12.5kg 200kg
1.6 12.5kg -
Volume mm 295W, 110H, 295L 680φ, 770H

Composition (all-weld metal mass %)

  Typical (CO2) Guarantya
C 0.03 0.10
Si 0.7 1.0
Mn 1.2 0.5-2.5
P 0.02 0.04
S <0.01 0.03
Ni 12.3 12.0-14.0
Cr 24.0 22.0-25.0
Mo 0.02 0.75
Cu 0.03 0.75
Bi >0.002 -
Note: aSingle values are maximium.

Welding parameters (A)

φ mm 1F, 1G, 2F 2G
1.2 130-270 150-220
1.6 190-320 220-270

All-weld mechanical properties

  Typical (CO2) Guaranty
0.2%YS (MPa) 450 -
TS (MPa) 590 552min.
EI on 4d (%) 32 30min.
IV 0°C (J) 33 -

Approvals / Click here for certificates

LR SS/CMn S (CHEM)
Note: CO2

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